| 06-1 | Safety belts, harnesses and associated equipment |
| Issue 2, 1984 |
| 09-1 | Lead sleeves for electric cables (metric units) |
| Issue 1, 1970 |
| 09-2 | The installation of 33kV and higher voltage power cables and associated auxiliary cables |
| Issue 3, 1983 |
| 09-3 | 33kV impregnated paper insulated oil-filled and gas pressure type power cable systems |
| Issue 2, 1982 |
| 09-4 | 66kV and 132kV impregnated paper insulated, oil-filled and gas pressure type power cable systems |
| Issue 2, 1981 |
| 09-5 | 275kV and 400kV impregnated paper insulated, oil-filled and gas compression type power cable systems |
| Issue 2, 1981 |
| 09-6 | Auxiliary multicore and multipair cables |
| Issue 6, 1988 |
| 09-7 | PVC insulated concentric service cables with stranded copper or solid aluminium phase conductors and copper concentric conductors |
| Issue 4, 1981 |
| 09-8 | Impregnated paper insulated 600/1000 volt cable with three solid aluminium phase conductors and aluminium sheath/neutral conductor (Consac) |
| Issue 4, 1977 |
| 09-9 | Polymeric insulated, combined neutral/earth (CNE) cables with solid aluminium phase conductors and concentric aluminium wire waveform neutral/earth conductor |
| Issue 5, 1981 |
| 09-10 | Porcelain insulators for 33kV, 66kV 132kV, 275kV and 400kV pressure-assisted cable outdoor sealing ends |
| Issue 1, 1976 |
| 09-11 | Heat shrinkable insulating materials for use with 600/1000V cables and accessories |
| Issue 1, 1975 |
| 09-12 | Impregnated paper insulated corrugated aluminium sheathed 6350/11,000 volt cable |
| Issue 1, 1979 |
| 09-13 | Performance specification for high voltage heat shrinkable components for use with high voltage solid type cables up to and including 33,000 volts |
| Issue 1, 1981 |
| 09-15 | Jointing instructions and procedures for mass impregnated and mass impregnated non-draining paper insultated 19/33kV cables |
| Part 1: Jointing instructions |
| Issue 2, 1989 |
| Part 2: Jointing procedures |
| Issue 2, 1989 |
| 09-16 | Testing specification for metallic sheathed power cables with extruded cross-linked polyethylene insulation and accessories for system voltages of 66kV and 132kV |
| Issue 1, 1983 |
| 09-17 | Single core cables for use in substations having extruded insulation and a rated voltage of 6350/11,000 volts |
| Issue 1, 1984 |
| Corrigendum 1, 1987 |
| 09-19 | Synthetic hydrocarbon insulating oil for use in oil-filled pressure-assisted cables up to 132kV operating voltage |
| Issue 1, 1986 |
| 09-20 | 33kV Single Core hv polymeric insulated cable |
| Issue 1, 1990 |
| 12-3 | Outdoor meter cupboards |
| Issue 2, 1986 |
| 12-4 | Terminating equipment for pilot cables subject to induced transient voltages exceeding 650V rms |
| Issue 1, 1973 |
| 12-5 | Indicating lamps-filament type |
| Issue 1, 1972 |
| 12-6 | Time fuse-links |
| Issue 1, 1973 |
| 12-8 | The application of fuse-links to 11kV/415V and 6.6kV/415V underground distribution networks |
| Issue 2, 1986 |
| 12-9 | Wiping glands for metallic-sheathed cables |
| Issue 2, 1980 |
| 12-10 | Single phase domestic cut outs up to 100A rating |
| Issue 1, 1977 |
| 12-11 | Indoor and outdoor cable boxes for switchgear |
| Issue 2, 1981 |
| 12-12 | Compounds for use in 33kV solid type cable accessories |
| Issue 1, 1977 |
| 12-14 | Impregnated crepe paper for cable jointing in solid type cable accessories |
| Issue 1, 1976 |
| 12-15 | Weak-back ferrules for electric power cable jointing on solid-type cables up to and including 11kV |
| Issue 1, 1978 |
| 12-16 | Fuse-switch trip testing device |
| Issue 1, 1978 |
| 12-18 | Polyester resin/glass fibre protection boxes and protective shrouds for oil-filled and gas-pressure cable accessories |
| Issue 1, 1980 |
| 12-19 | Single phase street lighting cut-outs-25A rating |
| Issue 1, 1982 |
| 12-20 | Low voltage pole-mounted fuses |
| Issue 1, 1984 |
| Corrigendum 1, 1986 |
| 12-23 | Polythene protection tape for buried electricity supply cable |
| Issue 1, 1988 |
| 12-24 | Plastic ducts for buried electric cables |
| Issue 1, 1989 |
| 13-1 | Portable glass fibre ladders and steps |
| Issue 1, 1987 |
| 23-2 | Code of practice for post weld heat treatment (electrical resistance heating elements) |
| Issue 2, 1983 |
| 23-3 | Titanium tubes for heat exchangers and condensers |
| Issue 3, 1989 |
| 23-4 | Seamless steel feed water heater tubes for high pressure applications |
| Issue 2, 1989 |
| 26-1 | Insulating foam-filled tube and solid rod for live working |
| Issue 2, 1977 |
| 26-2 | Insulating tools for live working on high voltage overhead lines |
| Issue 1, 1978 |
| 26-3 | Hand held tools for live low voltage working |
| Issue 2, 1984 |
| 26-4 | Overhead line conductor erection clamps-test specification and test certificates |
| Issue 1, 1980 |
| 35-1 | Distribution transformers (from 16kVA to 1000kVA) |
| Issue 4, 1985 |
| 35-2 | Emergency rated system transformers (35/11.5kV delta/star and star/star connected) |
| Issue 4, 1982 |
| 35-5 | Generator voltage transformers for 500/660 MW turbo-generators |
| Issue 1, 1980 |
| 35-6 | Generator voltage transformers for gas turbines |
| Issue 1, 1980 |
| 35-14 | Formel NF filled transformers |
| Issue 1, 1984 |
| 37-1 | 415V ac switchgear, controlgear and fusegear |
| Issue 2, 1977 |
| 37-2 | L.V. distribution fuseboards |
| Issue 2, 1984 |
| 37-3 | A.C. metal-enclosed switchgear and controlgear of rated voltages 3.6kV and 12kV |
| Part 1-Circuit breaker equipment (air-break) |
| Issue 1, 1981 |
| Part 2-Fused switching device equipment of 3.6kV rated voltage |
| Issue 1, 1981 |
| 41-1 | 3.3kV 150 MVA airbreak switchgear-floor details and building requirements |
| Issue 1, 1969 |
| 41-2 | 11kV distribution switchgear (floor details) |
| Issue 2, 1976 |
| 41-4 | 11kV 500 and 750 MVA airbreak switchgear floor details and building requirements |
| Issue 1, 1970 |
| 41-5 | Requirements for 12kV distribution metal-enclosed indoor switchgear |
| Issue 3, 1983 |
| 41-6 | 132kV outdoor busbar type substations with aluminium connections |
| Issue 1, 1974 |
| 41-7 | 132kV outdoor substations extensible up to four-switch mesh |
| Issue 1, 1980 |
| 41-8 | 132kV compact transformer feeder substations |
| Issue 1, 1980 |
| Amendment 1, 1988 |
| 41-9 | Insulating oil handling and storage equipment for 132kV outdoor substations |
| Issue 1, 1974 |
| 41-10 | Switchgear for use on 66, 132, 275 and 400kV systems |
| Issue 3, 1989 |
| 41-11 | Tubular aluminium busbars, connections and terminal fittings for 132kV outdoor substations |
| Issue 2, 1982 |
| 41-12 | Non-extensible ring main equipments, (incorporating an automatic fuse-switch and switches ratings: 250 MVA at 11kV and 150 MVA at 6.6kV) |
| Issue 2, 1975 |
| Corrigendum No. 1, 1987 |
| 41-13 | Air break switch-disconnectors 12kV to 36kV for use on overhead lines |
| Issue 1, 1978 |
| 41-15 | Standard circuit diagrams for equipment in 132kV substations |
| Part 1: Transformer feeder, transformer end |
| Issue 1, 1978 |
| Part 2: Transformer feeder, transformer end 132/11/11kV dual secondary |
| Issue 1, 1978 |
| Part 3: Arrangements for locally banking two transformers. Transformer end of a transformer-feeder |
| Issue 1, 1982 |
| Part 4: 132kV busbar substation feeder-circuits |
| Issue 1, 1983 |
| Part 5: Intertripping over voice frequency channels |
| Issue 2, 1988 |
| Part 6: Standard circuit diagrams for equipment in 132kV substations. Bus-section and bus-coupler |
| Issue 1, 1990 |
| Part 7: Arrangements for locally banking a transformer with a feeder at a busbar station |
| Issue 1, 1988 |
| Part 8: 132kV busbar station-busbar protection |
| Issue 1, 1986 |
| Part 9: Standard circuit diagrams for equipment in 132kV substations ac traction supplies to British Rail |
| Issue 1, 1990 |
| 41-16 | Apparatus terminations, conductor sizes and associated fittings (copper) used in outdoor and indoor substations with outdoor equipment |
| Issue 2, 1981 |
| 41-18 | Arrangements for partial discharge testing of bushings, capacitors, instrument transformers and switchgear of rated voltage 7.2-425kV inclusive |
| Issue 1, 1988 |
| 41-19 | Open type switchgear for use on 33kV systems |
| Issue 1, 1979 |
| 41-21 | Portable earthing equipment for open type hv apparatus in substations |
| Issue 1, 1985 |
| 41-22 | Metal-enclosed switch, switch-disconnector and earthing switch combinations (ratings 12.5, 16 and 20kA at 7.2kV and 12kV) |
| Issue 1, 1982 |
| 41-23 | Metal-enclosed automatic fuse-switch equipment (ratings 12.5, 16 and 20kA at 7.2kV and 12kV) |
| Issue 1, 1982 |
| 43-1 | Survey and preparation of ground line profiles and plotting of tower positions for steel tower overhead transmission lines at 132kV and higher voltages |
| Issue 2, 1986 |
| 43-2 | Design of steel tower overhead transmission lines at 132kV and higher voltages |
| Issue 1, 1972 |
| Corrigendum 1989 |
| 43-3 | Design of lattice steel transmission towers for overhead lines at 132kV and higher voltages |
| Issue 1, 1972 |
| 43-4 | Design of foundations for steel towers for overhead transmission lines at 132kV and higher voltages |
| Issue 2, 1986 |
| 43-5 | Fabrication and galvanising of tower and foundation steelwork for overhead transmission lines at 132kV and higher voltages |
| Issue 2, 1986 |
| Corrigendum 1988 |
| 43-6 | Construction of overhead transmission lines on steel towers for 132kV and higher voltages |
| Issue 2, 1986 |
| 43-7 | 132kV steel tower transmission lines: Specification L4(M)-1978 |
| Issue 2, 1985 |
| 43-8 | Overhead line clearances |
| Issue 2, 1988 |
| Amendment 1989 |
| 43-9 | 132kV steel tower transmission lines specification L.7(C)-1978 2 x 175mm2 ACSR per phase-1 x 175mm2 ACSR earthwire |
| Issue 1, 1986 |
| 43-11 | 400kV steel tower transmission lines-specification L.12 (2 x 700mm2 AAAC per phase) (1 x 425mm2 AAAC earthwire) |
| Issue 1, 1984 |
| 43-12 | Insulated aerial bundled conductors erection requirements for 1v overhead distribution systems |
| Issue 1, 1986 |
| Corrigendum 1, 1987 |
| Corrigendum 2, 1988 |
| 43-13 | Aerial bundled conductors (ABC) insulated with cross-linked polyethylene for low voltage overhead distribution |
| Issue 1, 1986 |
| Corrigendum September 1987 |
| 43-14 | Conductor fittings and associated apparatus for use with 1v aerial bundled conductors |
| Issue 1, 1989 |
| 43-15 | Insulator binds and equivalent helical fittings for overhead lines |
| Issue 1, 1988 |
| 43-30 | Low voltage overhead lines on wood poles |
| Issue 2, 1981 |
| 43-40 | High voltage single circuit overhead lines on wood poles |
| Issue 1, 1988 |
| 43-50 | 132kV single circuit overhead lines on wood poles |
| Issue 1, 1984 |
| Corrigenda April and July 1985 |
| Corrigendum December 1987 |
| 43-81 | Portable earthing equipment for high voltage overhead lines up to and including 66kV |
| Issue 1, 1984 |
| 43-88 | Treatment of wood poles and associated timber for overhead lines |
| Issue 3, 1988 |
| 43-90 | Anti-climbing devices for hv lines up to and including 400kv |
| Issue 2, 1979 |
| 43-91 | Stay strands and stay fittings for overhead lines |
| Issue 4, 1984 |
| 43-92 | Conductor fittings for overhead lines |
| Issue 2, 1985 |
| Corrigendum 1986 |
| 43-93 | Line insulators |
| Issue 3, 1986 |
| Corrigendum December 1986 |
| 43-94 | Earth rods and their connectors |
| Issue 2, 1977 |
| 43-95 | Steelwork for overhead lines |
| Issue 5, 1989 |
| 43-96 | Fasteners and washers for wood pole overhead lines |
| Issue 2, 1986 |
| 43-97 | Steel overhead line supports |
| Issue 1, 1990 |
| 44-1 | Carbon brushes (for rotating electrical machines) |
| Issue 2, 1971 |
| 44-2 | Electric motors-dimensions |
| Issue 1, 1970 |
| 44-3 | Electric motors-specification (3300V and above) |
| Issue 2, 1980 |
| Erratum 1983 |
| 44-4 | Electric motors-specification (415V and below, 0.75kW and above) |
| Issue 2, 1980 |
| 44-5 | Testing the insulation systems of stator coils for rotating electrical machines |
| Issue 4, 1987 |
| 44-7 | Testing the insulation systems of bars (half coils) for rotating electrical machines of turbine driven and hydro-generator types |
| Issue 1, 1978 |
| 48-1 | Static relays-dimensions |
| Issue 1, 1969 |
| 48-2 | Fault passage indicators for 6.6kV and 11kV underground and overhead distribution systems |
| Issue 1, 1974 |
| 48-3 | Instantaneous high-impedance differential protection |
| Issue 1, 1977 |
| Amendment 1, 1987 |
| 48-4 | D.C. relays associated with a tripping function in protection systems |
| Issue 3, 1983 |
| 50-1 | Direct reading pressure gauges (for oil-filled cable systems) |
| Issue 2, 1977 |
| 50-2 | Bimetallic ammeters |
| Issue 1, 1975 |
| 50-3 | Code for transmitting and recording metering and associated information |
| Issue 1, 1975 |
| 50-4 | Analogue direct current signal for plant instrumentation and control systems |
| Issue 1, 1978 |
| Addendum 1979 |
| 50-5 | Standardised contact sensing circuits |
| Issue 1, 1983 |
| 50-6 | Pressure switches for oil-filled cable systems |
| Issue 1, 1986 |
| 50-7 | Token-operated prepayment watt-hour meter-Class 2 |
| Issue 1, 1986 |
| 50-8 | Token acceptor for operation in conjunction with credit watt-hour meter |
| Issue 1, 1986 |
| 50-18 | Design and application of ancillary electrical equipment |
| Issue 2, 1989 |
| 56-1 | Ferritic steel valve castings |
| Issue 2, 1989 |
| 62-1 | Boiler feed pump impeller castings |
| Issue 1, 1981 |
| 62-2 | Ash pumps |
| Issue 2, 1988 |
| 62-3 | Main circulating water pump impeller castings |
| Issue 1, 1983 |
| 62-4 | Inspection and testing of boiler feed pump shafts, casings, impellers and diffusers |
| Issue 1, 1983 |
| 66-1 | 0.5% Chromium, molybdenum, vanadium steel castings for steam turbines |
| Issue 2, 1989 |
| 66-2 | 2.25% Chromium, molybdenum steel castings for steam turbines |
| Issue 1, 1989 |
| 66-3 | Carbon steel castings for steel turbines |
| Issue 1, 1989 |
| 68-1 | Tubes and tube assemblies for boilers |
| Issue 2, 1988 |
| 68-2 | Acceptance levels for radiographic examination of flash butt welds in steel tubes |
| Issue 1, 1983 |
| 98-1 | Surface preparation and paint finishing of new plant and equipment |
| Issue 1, 1971 |
| 98-2 | Ultrasonic probes |
| Issue 1, 1979 |
| 98-4 | Ultrasonic testing of ferritic steel castings |
| Issue 2, 1989 |
| 98-5 | Automatic ultrasonic testing of steel tubes |
| Part 1: Seamless and welded tubes, outside diameters of 12mm up to but not including 160mm |
| Issue 3, 1989 |
| Part 2: Seamless tubes, outside diameters 160mm and above |
| Issue 3, 1989 |
| Part 3: Longitudinally submerged arc welded steel tubes, outside diameters 160mm and above |
| Issue 2, 1989 |
| Part 4: Longitudinally electric resistance and induction welded steel tubes, outside diameters 160mm and above |
| Issue 2, 1989 |
| 98-6 | Ultrasonic testing of ferritic steel plate |
| Issue 1, 1981 |
| 98-7 | Ultrasonic probes: normal (0 degs) compression wave probes for contact testing |
| Issue 1, 1982 |
| 98-8 | Ultrasonic probes: low frequency single crystal shear wave angle probes |
| Issue 1, 1982 |
| 98-9 | Ultrasonic flaw detectors |
| Issue 1, 1985 |
| Amendment No.1 1987 |
| 98-10 | Manual ultrasonic testing of welds in ferritic steel sections |
| Part 1: Butt welds in ferritic steel sections greater than 10mm thick |
| Issue 2, 1984 |
| Part 2: Nozzle, branch, stub and attachment welds |
| Issue 1, 1983 |
| Part 3: Butt welds in tubes of outside diameters between 25mm and 120mm inclusive |
| Issue 2, 1984 |
| Part 4: Guidance on inspection capability and joint design |
| Issue 1, 1988 |
| 98-11 | Radiographic testing of steel castings |
| Issue 2, July 1989 |
| 98-12 | Calibration and routine performance checks of ultrasonic NDT equipment |
| Issue 1, 1989 |
| 98-13 | Manual ultrasonic testing of forgings for turbine and generator rotors, shafts and discs |
| Issue 2, 1989 |
| 98-14 | Ultrasonic testing procedures for non-magnetic generator coil retaining ring forgings |
| Issue 2, 1989 |
| 98-15 | Automatic eddy current testing of tubes |
| Part 1: Detection of imperfections in welded titanium tubes |
| Issue 2, 1989 |
| Part 2: Verification of hydraulic leak tightness of steel tubes |
| Issue 2, 1989 |
| Part 3: Detection of imperfections in steel tubes |
| Issue 2, 1989 |
| 98-16 | Defect evaluation and size estimation by the manual ultrasonic testing method |
| Issue 1, 1989 |
| 98-17 | Radiographic examination of fusion welded butt joints in steel |
| Issue 1, 1989 |
| 98-18 | Capability of magnetic particle inspection |
| Issue 1, 1989 |
| 98-19 | Acceptance criteria for pipe circumferential butt welds |
| Issue 1, 1989 |
| 98-20 | Penetrant flaw detection capability |
| Issue 1, 1989 |
| 98-21 | Magnetic particle and dye penetrant testing materials. Chemical compatibility and health hazards |
| Issue 1, November 1989 |
| 98-22 | Capability of ultrasonic testing of ferritic steel forgings |
| Issue 1, 1989 |
| 98-23 | Ultrasonic and visual inspection of components lined with tin based white metal |
| Issue 1, 1989 |
| CJ1101M | Vertical, horizontal or inverted indoor sealing end for 6350/11,000V single-core cables up to and including 1000mm2 (does not provide for the jointing of milliken conductored cable) |
| 76 |
| CJ1102M | Vertical outdoor sealing end for 6350/11,000V single-core cables up to and including 1000mm2 (does not provide forthe jointing of milliken conductored cable) |
| 76 |
| CJ1103 | Crepe paper insulated straight through joints for belted three-core 11kV pre-impregnated or mass-impregnated non-draining solid type cables with stranded aluminium conductors |
| 70 |
| L6 | 400kV steel tower transmission lines with 4 x 0.4 sq.in. cu equiv SCA conductors per phase |
| 66 |
| Amendment 1, 1969 |
| M3 | Restricted hour and time of day tariff time switches |
| 73 |
| S1 | General technical specification for standard 33kV indoor metalclad switchgear, 750MVA and 1000MVA ratings |
| 65 |
| Errata slip, 1965 |
| S10 | Standard steelwork, etc for 11kV pole-mounted air-break isolators |
| 63 |
| S12 | Standard numbering for small wiring for switchgear and transformers together with their associated relay and control panels 1964 |
| Amendment 1, 1969 |
| S17 | Partial discharge testing of demountable synthetic resin-bonded and oil-impregnated paper bushings of rated voltage 22kV and above |
| 68 |
| T2 | Transformers and reactors |
| 66 |
| Interim index and general requirements | Schedules of general particulars and guarantees |
| Section 1: Generator station and unit transformers |
| Section 2: Transmission transformers (excluding auto-transformers): general design and performance |
| Section 3: Auto-transformers: general design and performance |
| Section 4: Oil-immersed auxiliary transformers for power stations: general design and performance |
| Section 5: Air insulated auxiliary transformers for power stations: general design and performance |
| Section 6: Earthing and auxiliary transformers for transmission stations: general design and performance |
| Section 7: Oil-immersed series and shunt reactors |
| Section 8: Magnetic circuits |
| Section 9: Windings, connections and terminal markings |
| Section 10: Minimum safety and external air clearances and co-ordinating gaps |
| Section 11: Bushings and terminals Revised |
| 76 |
| Section 12: Cable boxes, cable sealing-end chambers and disconnecting chambers Revision 2, |
| 88 |
| Section 13: Noise and vibration |
| Amendment 1, 1970 |
| Amendment 2, 1977 |
| Section 14: Earthing systems and connections |
| Section 15: Tanks, conservator vessels and pressure relief devices |
| Amendment 1, 1976 |
| Section 16: Valves, drain and air release plugs and oil sampling devices Revision 1, 1982 |
| Section 17: Cleaning and paint or other protective systems |
| Section 18: Dehydrating breathers |
| Section 19: Oil level gauges |
| Section 20: Radiators, cooling-banks and oil/water coolers |
| Amendment 1, 1976 |
| Section 21: Rating and diagram plates, valve location and function plates, terminal identification plates and labels |
| Section 22: Oil circulating pumps |
| Section 23: Fans |
| Section 24: Motors |
| Section 25: Electrical control of cooling equipment |
| Section 26: Tap changing equipment (excluding single compartment types) |
| Section 27: Electrical control of on-load tap change equipment |
| Amendment 1, 1978 Errata slip, 1979 |
| Section 28: Temperature indicators for oil immersed transformers and reactors Revision 1, 1980 |
| Section 29: Gas and oil-actuated relays |
| Section 30: Oil flow indicators, oil pressure gauges and differential pressure gauges |
| Section 31: Marshalling kiosks and cubicles |
| Section 32: Terminal housing for secondary wiring |
| Section 33: Control connections, instrument wiring, interconnecting cables, terminal blocks and fuses |
| Section 34: Drying out, transport and erection |
| T3 | Transformers for 33kV and 22kV systems (up to 20 MVA) 1962 |
| Amendment 1, 1964 |
| Amendment 2, 1965 |
| Amendment 3, 1966 |
| Amendment 4, 1966 |
| Amendment 5, 1969 Guide on impulse voltage testing power transformers and reactors |
| C1/7 | Type approval tests for 33kV mass impregnated paper-insulated solid type cable systems including non-draining types |
| 81 |
| C5 | House service overhead systems (HSOS) cables |
| 51 |
| C7/1 | Use of earthed and unearthed type cables on 33kV and lower voltage systems |
| 52 |
| C16 | Colours of PVC conductor |
| 54 |
| C25/2 | Code of practice on the design of straight through branch and service joints for use on paper insulated lead sheathed cables operating at voltages up to 600/1000 volts |
| 73 |
| C28/4 | Type approval test for impregnated paper insulated gas pressure and oil-filled power cable systems from 33 to 132kV inclusive |
| 75 |
| Amendment 1, 1978 |
| Amendment 2, 1981 |
| C34/1 | Code of practice on the design of straight-through and branch jointsfor use on paper-insulated lead-sheathed cables operating at voltage from 3300V up to 11,000V |
| 76 |
| C39/5 | Identification of buried plastic sheathed cables |
| 75 |
| C43/1 | Dimensions of copper terminal stems for sealing ends of outdoor or indoor type but not oil-immersed sealing ends |
| 66 |
| C46/1 | Measures necesssary to prevent corrosion damage to buried metallic structures by neighbouring cathodic protection installations |
| 81 |
| C47/1 | Type approval tests for single-core impregnated paper-insulated gas pressure and oil-filled power cable systems for 275 and 400kV |
| 75 |
| Amendment 1, 1978 |
| Amendment 2, 1981 |
| Amendment 3, 1983 |
| C48/1 | Type approval tests for anti-corrosion coverings for pressure type cables including pipeline cables |
| 74 |
| C53 | Vertical outdoor sealing ends for 22kV up to 1.5 sq in screened or unscreened mass-impregnated or non-draining solid type cables |
| 65 |
| C55/4 | Insulated sheath power cable systems |
| 89 |
| C61 | Installation bending radii of 33kV and higher voltage cables |
| 67 |
| C62/3 | Current ratings of copper and aluminium conductored PVC insulated and PVC sheathed HSOS cable |
| 71 |
| C64 | Testing procedure for approval of joints for cables generally to BEBS C5 |
| 69 |
| Amendment 1, 1969 |
| Amendment 2, 1973 |
| Amendment 3, 1977 |
| C66/1 | Type approval testing procedure: protective boxes for use with buried accessories employed on 33kV-400kV insulated sheath power cable (and for sheath sectionalising insulation embodied in such accessories) |
| 79 |
| C67 | Specification for impregnated paper-insulated solid type cables for voltages up to and including 33,000 volts and PVC insulated cables for voltages up to and including 3300 volts |
| 70 |
| Amendment 1, 1970 |
| Amendment 2, 1971 |
| C68 | Method of terminating the carbon paper screen on 11kV belted multicore cables |
| 70 |
| C79 | Type approval tests for connectors and terminations for aluminium conductors of insulated power cables |
| 72 |
| Amendment 1, 1981 |
| Amendment 2, 1982 |
| C81/3 | Type approval tests for joints for 600/1000 volt cable systems |
| 86 |
| C82 | Pulling-in 11kV aluminium sheathed, consac and waveform cables |
| 77 |
| C84 | Operation of oil-filled cable systems |
| 76 |
| C89 | Performance specification for terminations on polymeric insulated cables rated at 12kV and 36kV maximum system voltage |
| 86 |
| C90 | Type approval tests for straight joints for 6350/11,000 volts three-core mass impregnated non-draining paper insulated solid cables |
| 84 |
| C92 | Performance specifications for pole top terminations on |
| 6350/11,000V paper insulated cables |
| 87 | |
| Part 1: Non-metallic pole boxes for mass impregnated non-draining (MIND) solid type cable |
| C93 | Type approval tests for mechanical connectors to metallic sheath of cables |
| 89 |
| G5/3 | Limits for harmonics in the UK electricity supply system |
| 76 |
| G10 | Standardisation of service intake arrangements for system building |
| 65 |
| G12/2 | National code of practice on the application of protective multiple earthing to low voltage networks |
| 82 |
| G14 | Protective multiple earthing: recommended principles of testing to ensure correct polarity |
| 71 |
| G15 | Standardisation of electricity supply arrangements in industrialised component buildings 1971 |
| G16 | Standard specification for a new single-phase service termination/metering up to 100A |
| 1972 |
| G17/3 | Leakage of flammable gases: recommendations |
| 1988 |
| G18 | Operation of air break isolating switches: recommendations |
| 1974 |
| G19/1 | Model guidelines for operations or work on the premises of consumers receiving hv supply |
| 1977 |
| G21 | Assessment of oil handling and storage plant requirements for 132kV outdoor substations |
| 1975 |
| G22/2 | Superimposed signals on public electricity supply network |
| 1984 |
| G24 | Code of practice for the safe operation of ground-mounted dependent manual closing oil switches and oil circuit breakers at 11kV and 6.6kV |
| 1975 |
| G27 | Mobile radio systems-modulation in the VHF middle band |
| 1975 |
| G28/3 | National Equipment Defect Reporting Scheme-notes of guidance |
| 1989 |
| G29 | Farm hygiene: precautions to prevent spread of animal and poultry diseases |
| 1977 |
| G30/1 | Guidance on pole top rescue procedures |
| 1986 |
| G31 | Recommended colour code for control boards, diagrams and wall maps |
| 1976 |
| G32/1 | Guide to safety in the storage, handling and use of highly flammable liquids and liquefied petroleum gases |
| 1985 |
| G35 | Precautions to be taken by persons working in the vicinity of overhead lines on construction sites |
| 1977 |
| G38/1 | Operational procedure associated with electricity supplies for traction purposes on a.c. and d.c. electrified lines |
| 1985 |
| G39 | Model code of practice covering electrical safety in the planning, installation, commissioning and maintenance of public lighting and other street furniture |
| 1979 |
| G42/1 | Overhead lines in the vicinity of recreational sites |
| 1983 |
| G44 | Mandatory procedure for the co-ordination of power line carrier system frequencies |
| 1980 |
| G45/1 | Notes of guidance for Electricity Boards on the use of irrigators, slurry guns and high pressure hoses in the vicinity of overhead lines |
| 1983 |
| G46 | The maintenance of electrical plant and equipment up to and including 132kV |
| 1981 |
| G48 | Remedial measures for Enfield 132kV gas compression cable sealing ends |
| 1981 |
| G49 | Jointing instructions for 132kV and 275kV compression cables, fittings and ancillary equipment (Pirelli Enfield) |
| 1981 |
| G50 | Maintenance of 132kV gas compression sealing ends |
| 1986 |
| G51 | Guidance notes on control of access to high voltage compounds with disconnectors used in the fault interfering mode |
| 1981 |
| G53 | Radio communications in an emergency-system design and operational recommendations to achieve maximum reliability and flexibility |
| 1982 |
| G54 | Operational procedures for helicopter use within the ESI |
| 1982 |
| G55 | The avoidance of danger from overhead electric lines and underground electric cables in forests and plantations |
| 1983 |
| G56 | Special requirements for the access of Boards' staff to British Railways Board operational land for inspection purposes and work |
| 1987 |
| G57 | Cable laying on agricultural land |
| 1983 |
| G58/1 | Purchase, use, storage, inspection and maintenance of hand held insulated tools for live working up to 1000 volts |
| 1986 |
| G59 | Recommendations for the connection of private generating plant to the Electricity Boards' distribution systems |
| 1985 |
| G61 | Handling of electrostatic sensitive devices |
| 1985 |
| G62 | Operational safety when working in the vicinity of live high voltage overhead lines |
| 1985 |
| G64 | Safety in cableways |
| 1986 |
| G66 | Guidance on the specification, use and maintenance of portable lifting equipment in Area Boards |
| 1986 |
| G67 | Guidance on safety in conductor stringing on overhead lines |
| 1987 |
| G68 | The fault performance of non-auto-reclosing oil circuit-breakers intended for 11kV (250MVA) underground distribution networks |
| 1988 |
| G69 | Guidance on the safety aspects of work on sulphur hexaflouride filled distribution equipment up to 145kV |
| G70 | Vegetation control near overhead lines |
| 1989 |
| G71 | Purchase, storage, use, inspection and maintenance of insulating mats for electrical purposes up to 650V |
| 1989 |
| L9/2 | Testing of wood poles prior to climbing or use as a support |
| 1978 |
| L13/1 | Street lighting brackets fixed on joint user poles with the Post Office |
| 1960 |
| L15/4 | Notes on use of PVC insulated hv conductors (up to 11kV) as protection for Post Office open wires or aerial cable |
| 1968 |
| L32/1 | Recommended procedure for erecting Area Board overhead lines over motorways |
| 1975 |
| L36 | Metric profile scales |
| 1971 |
| L37 | Overhead transmission steel tower line construction: code of behaviour |
| 1971 |
| L38 | Protective greasing of PVC covered copper and bare and PVC covered aluminium based overhead line conductors |
| 1981 |
| L41 | Use of home grown wood poles for overhead line supports |
| 1987 |
| M1/2 | Standardisation of equipment required for kW maximum demand metering on consumer’s premises |
| 1956 |
| M3 | Meter voltage markings |
| 1951 |
| M7/1 | Certification of meters other than kWh meters |
| 1956 |
| M10/3 | Serial numbering of meters |
| 1988 |
| M11/1 | Standardisation of accuracy requirements for new meters |
| 1970 |
| M12/1 | Standard wiring polyphase metering equipments |
| 1957 |
| M15/4 | Fused flexible leads for use with portable voltage measuring instruments at voltages up to 600 volts ac/dc |
| 1981 |
| M25/1 | Improving the security of meters and associated service equipment |
| 1988 |
| M26/2 | Standard purchasing requirements for single phase, one rate and two rate house service credit meters |
| 1988 |
| M28 | Consumers' attachments to Boards' meters |
| 1988 |
| M29 | Facilities offered to customers from Area Board metering equipment |
| 1989 |
| P1/3 | 275/33kV, 132/33kV and 132/11kV supply point transformers |
| 1969 |
| P2/5 | Security of supply |
| 1978 |
| P3/1 | Load reduction by voltage adjustment |
| 1977 |
| P4 | Power factor improvement |
| 1955 |
| P5/5 | Design of low voltage underground networks for new housing estates |
| 1987 |
| P10 | Voltage control at bulk supply points |
| 1965 |
| P11/1 | Compact 132/33kV substations |
| 1969 |
| P14 | Preferred switchgear ratings |
| 1971 |
| P15 | Transformer loading guide-a guide to the loading of double-wound transformers having nominal ratings of 120MVA and below. Supplying systems at 66kV and below from the supergrid and 132kV system |
| 1971 |
| P16 | EHV or hv supplies to induction furnaces |
| 1975 |
| P17 | Current rating guide for distribution cables |
| Part 1: 11kV cables |
| Part 2: 33kV cables |
| 1976 |
| Amendment 1, 1978 |
| P18 | Complexity of 132kV circuits |
| 1978 |
| P19 | Procedure for the planning and design of 132kV systems |
| 1979 |
| P20/1 | Earthing policy in relation to the customer’s installations |
| 1989 |
| P23 | Consumers' earth fault protection on single phase supplies up to 100A for compliance with the 15th edition of the IEE Wiring Regulations for Electrical Installations |
| P24 | AC traction supplies to British Rail |
| 1984 |
| Addendum, 1990 |
| P25 | The short-circuit characteristics of Electricity Boards' low voltage distribution networks and the co-ordination of overcurrent protective devices on 240V single phase supplies up to 100A |
| 1984 |
| P26 | The estimation of the maximum prospective short-circuit current for three phase 415V supplies |
| 1985 |
| P27 | Current rating guide for high voltage overhead lines operating in the UK distribution system |
| 1986 |
| P28 | Planning limits for voltage fluctuations caused by industrial, commercial and domestic equipment in the United Kingdom |
| 1989 |
| P29 | Planning limits for voltage unbalance in the United Kingdom |
| 1990 |
| P01 | Post Office Memorandum A80(e): Protection of Post Office lines from contact with low or medium voltage power lines |
| 1975 |
| P02 | Post Office Memorandum A231(b): Protection of Post Office lines from high voltage power lines |
| 1975 |
| P04/1 | Services to British Telecom Public Telephone Housings |
| 1988 |
| S2/4 | Limitation of fire risk in substations at 132kV and below and in enclosed cableways |
| 1976 |
| S3/1 | Metering current transformers for use in switchgear |
| 1978 |
| S5/1 | Earthing installations in substations |
| 1966 |
| Amendment 1, 1969 |
| Amendment 2, 1970 |
| Addendum 1969 |
| S15 | Standard schematic diagrams |
| 1956 |
| Part 1: Schematic diagrams |
| Part 2: Alarm schemes |
| Part 3: Basic diagrams for voltage and current transformer secondary circuits |
| Amendment 1, 1970 |
| Amendment 2, 1988 |
| Part 4: Circuit diagrams for 6.6/11kV standard distribution switchgear |
| S17 | Guide for light current control, indication and alarm equipment |
| 1960 |
| Amendment 1, 1964 |
| S26 | Aluminium busbar installations for use in 33kV outdoor substations |
| 1968 |
| S30 | Uprating 132kV 3500MVA substations to 5000MVA |
| 1973 |
| S31 | Increase in single-phase earth fault rating at 132kV 3500MVA substations |
| 1973 |
| S33 | Switchgear current ratings at reduced ambient temperature (excluding fuses) |
| 1982 |
| S34 | A guide for assessing the rise of earth potential at substation sites |
| 1986 |
| Amendment 1, 1986 |
| Amendment 2, 1988 |
| S35 | Remedial measures for 11kV outdoor groundmounted switchgear |
| 1987 |
| S36 | Procedure to identify and record “hot” substations |
| 1988 EB/BT.1 Conditions for British Telecom and Electricity Board joint use of poles 1982 |
| TELE.1 | The Electricity Boards' practices for the design, installation, operation and maintenance of telecommunication systems |
| 1983 |
| T1 | System phasing |
| 1949 |
| T3 | Automatic voltage control at grid supply points |
| T8/6 | The cost of losses for transformers used on distribution systems |
| 1987 |
| ACE1 | Power factor improvement |
| 1953 |
| Section: Recommendations |
| ACE3 | Use of series capacitors in power systems |
| 1956 |
| Addendum 1965 |
| Section 3 |
| ACE11 | Standardisation of auto-reclosing facilities on 11kV ground-mounted metalclad distribution switchgear |
| 1966 |
| Addendum 1971 |
| Sections 3, 4, Addendum |
| ACE14 | Guide and report on high voltage live line working on overhead lines carried out on steel, wood or concrete supports up to and including 132kV |
| 1974 |
| Revision 2 (1983) to Section 2 |
| All Sections |
| ACE21 | Guide and report on medium and low voltage live line working |
| 1969 |
| All Sections |
| ACE23 | Guide to the provision of electronic telecontrol equipment for Area Electricity Boards |
| 1969 |
| All Sections |
| ACE24 | Standardisation of coding for ripple control signals |
| 1969 |
| All Sections |
| ACE30 | Recommended procedure for the selection of power line carrier frequencies |
| 1972 |
| All Sections |
| ACE44 | Pulling-in aluminium-sheathed cable |
| Part 1: 11kV belted corrugated type 1975 Section 5 |
| Part 2: 11kV screened corrugated type, 11kV belted smooth-sided type, consac cable |
| 1978 Section 6 |
| ACE46 | The maintenance of electrical plant and equipment up to and including 132kV |
| 1981 |
| All Sections |
| ACE51 | The application of ER P2/5. Security of Supply |
| 1979 |
| ACE54 | Auto-reclosing schemes for 11kV distribution networks |
| 1977 |
| Sections 7, 11, Appendices |
| ACE55 |
| Lightning protection for networks up to 132kV |
| 1977 |
| All Sections |
| ACE57 | Guide to mechanical aids used for cable laying and overhead line erection |
| 1977 |
| All Sections |
| ACE59 | 132kV delayed auto-reclosing schemes |
| 1977 |
| All Sections |
| ACE67 | Reliability investment in radial hv distribution systems with overhead lines |
| 1979 |
| ACE68 | Code of practice on the guarding of roadworks |
| 1979 |
| All Sections |
| ACE80 | Guide to the maintenance of electrical plant up to and including 132kV |
| 1981 |
| All Sections |
| ACE105 | Report on the design of low voltage underground networks for new housing |
| 1986 |
| All Sections |
| ET106 | Remedial measures for outdoor ground-mounted switchgear |
| 1987 |
| All Sections |
| ET110 | Test procedures to determine the capability of cable screens to withstand fault currents from internal failures |
| 1989 |
| All Sections |
| ET112 | Harmonic impedance of supply systems |
| 1988 |
| Section 7 |
| ET113 | Notes of guidance for the protection of private generating sets up to 5MW foroperation in parallel with Electricity Boards' distribution networks. |
| 1989 |