# The Meters (Certification) (Amendment) Regulations 2026, Schedule: Certification by Type


“Schedule 4A
Certification by Type
Regulations 9A, 10 and 10A
In the following Table—
* indicates that the meter is approved for use on a 1, 2 or 3 wire supply;
@ indicates that the meter is approved for use on a 3 or 4 wire supply;
# indicates that the meter is approved for use on a 2, 3 or 4 wire supply.
Type
Phase
Wire
Number of Elements
Rates
Approval Number
Number of Years
1
2
3
4
5
6
7
ACE 1000 SMO
1
2
1
Single
946
25
ACE 1000-282
1
2
1
Single
985
20
ACE 2000-292
1
2
1
Multi
985
20
ACE 3000 Type 100/110
*
#
3
Multi
1007
10
ACE 4000 Type GT**
*
#
Multi
1026
10
ACE 5000
*
4
3
Multi
992
10
ACE 6000 Type 661
3
4
Multi
1016
10
ACE 6000 Type 665
*
#
Multi
1024
10
ACE 9000 KBD2E
1
2
2
Multi
1028
15
C114N1R1
3
4
3
Single
923
10
CBA
1
2
1
Multi
747
10
FX221
1
2
1
Single
756
10
KBC
1
2
1
Multi
863
15
H10
1
2
1
Single
806
10
HMT
1
2
1
Single
346
15
KBA
1
2
1
Multi
745
20
KBB
1
2
1
Single
816
15
KBC15
1
2
1
Multi
924
20
KBD
1
2
1
Single
956
25
KBD
1
2
1
Multi
956
25
KXB
1
2
1
Multi
861
10
MBA
3
4
3
Multi
838
10
MC3
3
4
3
Multi
925
10
MC3
*
#
3
Multi
961
10
MTA
1
2
1
Multi
774
10
MTB
1
2
1
Multi
875
10
MTN
1
2
1
Multi
804
10
Nikolas - ACE 3000
3
4
3
Multi
987
10
P5A
*
@
3
Multi
868
10
P5A
*
@
2
Multi
869
10
P6A
*
@
3
Multi
867
10
PIA
*
@
3
Multi
888
10
PIA
*
@
2
Multi
889
10
PIB / PLB
3
#
3
Multi
919
10
PIB / PLB
3
@
2
Multi
920
10
PPA-1
3
4
3
Multi
763
10
PPA-2
3
4
3
Multi
765
10
PPB
*
@
3
Multi
858
10
PXA
*
#
3
Multi
779
10
PXA
*
@
2
Multi
802
10
PXA/I
*
#
3
Multi
807
10
S2.20 or M2X
1
2
1
Single
921
10
S200.13
1
2
1
Single
454
20
S200.16
1
2
1
Single
482
45
S200.28
1
2
1
Single
572
20
S200.30
1
2
1
Single
557
20
S200.31
1
2
1
Single
683
45
S200.32
1
2
1
Single
582
25
S200.33
1
2
1
Single
583
20
S200.38
1
2
1
Single
573
40
S200.4
1
2
1
Single
436
20
S200.7
1
2
1
Single
436
30
S203.1
3
4
3
Single
519
15
S204.16
1
2
1
Single
496
15
S206.16
1
2
1
Single
492
10
S206.7
1
2
1
Single
492
10
S207.2
1
2
1
Single
514
10
S207.4
1
2
1
Single
514
10
S300.1
*
@
2
Single
587
15
S300.3
*
@
2
Single
640
15
S301.1
3
4
3
Single
563
15
S301.6
3
4
3
Single
563
20
S301.9
3
4
3
Single
641
15
S304.60
1
2
1
Single
714
10
S304.61
1
2
1
Single
714
10
S309.1
1
2
1
Multi
568
15
S309.2
1
2
1
Multi
584
35
S309.3
1
2
1
Multi
584
20
S309.5
1
2
1
Multi
721
30
S320.1
3
4
3
Single
670
15
S320.1
3
4
3
Multi
670
10
S320.4
3
4
3
Single
671
15
S320.7
3
4
3
Single
674
15
S320.7
3
4
3
Multi
674
10
S320.75
*
@
2
Multi
679
10
S321.1
3
4
3
Single
586
15
S321.6
3
4
3
Single
586
20
S321.9
3
4
3
Single
642
15
S322.12
3
4
3
Single
663
10
S322.15
3
4
3
Single
664
10
S322.6
3
4
3
Single
633
10
S322.9
3
4
3
Single
633
10
S323.1
3
4
3
Multi
607
10
S323.12
3
4
3
Multi
660
10
S323.6
3
4
3
Multi
607
10
S323.9
3
4
3
Multi
665
10
S325.3
*
@
2
Single
643
15
S326.1
*
@
2
Single
634
10
S326.6
*
@
2
Single
665
10
S326.9
*
@
2
Single
669
10
S327.3
*
@
2
Multi
661
10
S327.6
*
@
2
Multi
662
10
S330.1
3
4
3
Multi
691
10
SBB
1
2
1
Single
823
10
SM1
1
2
1
Multi
935
20
SPA01
1
2
1
Single
728
15
SPA02
1
2
1
Multi
728
10
SPA03
1
2
1
Multi
731
10
SPA11
1
2
1
Single
728
10
SPA13
1
2
1
Multi
731
10
SPB
1
2
1
Single
855
15
SPB15
1
2
1
Single
894
15
SPC
1
2
1
Multi
865
10
SPX
1
2
1
Single
821
10
ST-Q220
3
3
3
Multi
775
10
ST-Q230
3
@
3
Multi
792
10
T2C114N1R1
3
4
3
Multi
922
10
TRA
1
2
2
Multi
768
10
TRX
1
2
2
Multi
825
10
5028A
1
2
1
Single
789
15
5054C
1
2
2
Multi
814
15
5056
1
2
1
Multi
817
10
5028L
1
2
1
Multi
820
10
5054
1
2
2
Multi
824
10
5071
1
2
1
Multi
853
10
5077
1
2
1
Multi
860
25
5057
*
@
3
Multi
866
10
5162
1
2
1
Multi
893
15
5165
*
@
3
Multi
896
10
5178A
1
2
1
Single
897
20
5188
1
2
1
Multi
908
15
5193
1
2
1
Multi
915
25
5194
1
2
1
Multi
916
15
5192
*
@
3
Multi
926
15
5184
1
2
1
Multi
927
20
5196
1
2
1
Multi
933
25
5207
1
2
1
Single
941
20
5209
1
2
1
Multi
944-1
25
5226
1
2
2
Multi
958
10
5232A
1
2
1
Single
973
20
5219
*
#
1
Single
981
20
5224E
1
2
1
Multi
982
20
5235
1
2
1
Single
986
20
5235***
1
2
1
Single
986
20
5164
1
2
1
Single
990
10
5246C-*
1
2
1
Multi
1003
20
5258*-*
1
2
1
Single
1006
20
5254E & 5254F
1
2
1
Multi
1013
20
EM1200
1
2
2
Multi
1027
10
IC 200-IM-R
3
4
3
Single
1030
10
CE
3
4
3
Single
790
10
CE
3
3
2
Single
791
10
CE
3
4
3
Single
795
10
CE
3
3
2
Single
796
10
2***, 3***, 4***
3
4
3
Single
839-842
10
Prometer-R
3
@
2 & 3
Single
983
10
Prometer-W
3
@
3
Single
999
10
Prometer 100 P3E
3
@
3
Single
1034
10
Prometer 100 R3E
3
@
3
Single
1035
10
PQM, ProQ 100
3
@
3
Single
1036
10
K
1
2
1
Single
338
15
PT4
3
4
3
Single
462
20
TM3c
1
2
1
Single
481
20
B1V7
1
2
1
Multi
864
10
EM-1021 83861-1*****
1
2
1
Multi
1011
15
EM-1023 83321-3*****
*
#
1,2 or 3
Multi
1012
10
Mk10A 1A ** - **** - ** - *** - ****** - **
3
4
3
Multi
1033
10
Mk 10E 1E **_*****_***_**_***_******_**
3
4
3
Multi
1032
10
Atlas Mk 10 - 2
3
4
3
Multi
977
10
Atlas Mk 10 - 2(CT)
3
4
3
Multi
977
10
Atlas Mk 10 - 1
3
4
3
Multi
979
10
Atlas Mk 10 - 1(CT)
3
4
3
Multi
980
10
Atlas Mk10-4-2000-10*3-1A1-15-A-****-******
*
#
3
Multi
977
10
Atlas Mk 10-*-2000-1010-1A1-15-AD2*0-***
*
#
3
Multi
977
10
Atlas Mk10-4-2000-10*3-1C2-15-A****_******
*
#
3
Multi
978
10
Atlas Mk 10-*-2000-1010-1C2-15-AD2*0-***
*
#
3
Multi
978
10
Mk 6E 2000-6E**-*****-***-***-***
3
@
Multi
1031
10
EM101-4
1
2
1
Multi
1015
15
EM341-4
3
4
3
Multi
1019
15
A 1700 PB2 & PB3
*
#
Multi
907
10
A 1700 PB2 & PB3
*
#
Multi
911
10
A 1700 PB2 & PB3
*
#
Multi
912
10
A 1700 PB2 & PB3
*
#
Multi
913
10
A 1700 PB2 & PB3
*
#
Multi
914
10
B31B
1
2
1
Single
358
7
D42B
*
@
2
Single
494
15
D42B/M
*
@
2
Single
494
15
D43B
3
4
3
Single
495
15
D43B/M
3
4
3
Single
495
15
D43B-R
3
4
3
Multi
495
10
D43B-R/M
3
4
3
Multi
495
10
D42F
*
@
2
Single
497
15
D42F/M
*
@
2
Single
497
15
C31B-R
1
2
1
Multi
503
15
C31B-R/M
1
2
1
Multi
503
15
D42B-R
*
@
2
Multi
507
10
D42B-R/M
*
@
2
Multi
507
10
D42F-R
*
@
2
Multi
507
10
D42F-R/M
*
@
2
Multi
507
10
C31B
1
2
1
Single
509
15
C31B/M
1
2
1
Single
509
35
D42B-D
*
@
2
Single
510
10
D42B-D/M
*
@
2
Single
510
10
D42B-DR
*
@
2
Multi
510
10
D42B-DR/M
*
@
2
Multi
510
10
D42F-D
*
@
2
Single
510
10
D42F-D/M
*
@
2
Single
510
10
D42F-DR
*
@
2
Multi
510
10
D42F-DR/M
*
@
2
Multi
510
10
E42B3
*
@
2
Single
510
15
E42B3-D
*
@
2
Single
510
10
E42B3-DR
*
@
2
Multi
510
10
E42B3-R
*
@
2
Multi
510
10
E42B4
*
@
2
Single
510
15
E42B4-D
*
@
2
Single
510
10
E42B4-DR
*
@
2
Multi
510
10
E42B4-R
*
@
2
Multi
510
10
E42F3
*
@
2
Single
510
15
E42F3-D
*
@
2
Single
510
10
E42F3-DR
*
@
2
Multi
510
10
E42F3-R
*
@
2
Multi
510
10
E42F4
*
@
2
Single
510
15
E42F4-D
*
@
2
Single
510
10
E42F4-DR
*
@
2
Multi
510
10
E42F4-R
*
@
2
Multi
510
10
C31B-D
1
2
1
Single
524
10
C31B-D/M
1
2
1
Single
524
10
D43F
3
4
3
Single
548
15
D43F/M
3
4
3
Single
548
15
D42BC
*
@
2
Single
570
15
D42BC/M
*
@
2
Single
570
15
D42BC-D
*
@
2
Single
570
10
D42BC-D/M
*
@
2
Single
570
10
C21B
1
2
1
Single
577
20
C21B/M
1
2
1
Single
577
20
C31B-DR
1
2
1
Multi
580
10
C31B-DR/M
1
2
1
Multi
580
10
C21B-R
1
2
1
Multi
585
10
C21B-R/M
1
2
1
Multi
585
15
E42B
*
@
2
Single
590
15
E42B/M
*
@
2
Single
590
15
E43B
3
4
3
Single
591
15
E43B/M
3
4
3
Single
591
20
E43B3-R
3
4
3
Multi
591
15
E43B4-R
3
4
3
Multi
591
15
E43F3-R
3
4
3
Multi
591
10
E42B-D
*
@
2
Single
592
10
E42B-D/M
*
@
2
Single
592
10
E42B-DR
*
@
2
Multi
594
10
E42B-DR/M
*
@
2
Multi
594
10
E42B-R
*
@
2
Multi
594
10
E42B-R/M
*
@
2
Multi
594
10
E43B-D
3
4
3
Single
595
10
E43B-D/M
3
4
3
Single
595
15
E43B-DR
3
4
3
Multi
595
10
E43B-DR/M
3
4
3
Multi
595
10
E43B-R
3
4
3
Multi
595
10
E43B-R/M
3
4
3
Multi
595
10
E42BC
*
@
2
Single
597
15
E42BC/M
*
@
2
Single
597
10
E42BC-D
*
@
2
Single
600
10
E42BC-D/M
*
@
2
Single
600
10
E42F
*
@
2
Single
602
15
C11B
1
2
1
Single
603
20
C11B-R
1
2
1
Multi
613
10
C11B-R/M
1
2
1
Multi
613
20
C11B-D
1
2
1
Single
615
10
C11B-D/M
1
2
1
Single
615
10
C11B-DR
1
2
1
Multi
615
10
C11B-DR/M
1
2
1
Multi
615
10
E43C-2D
3
4
3
Single
617
10
E43C-2D/M
3
4
3
Single
617
10
E43C-2DR
3
4
3
Multi
618
10
E43C-2DR/M
3
4
3
Multi
618
10
E42C-2D
*
@
2
Single
619
10
E42C-2D/M
*
@
2
Single
619
10
E42C-2DR
*
@
2
Multi
620
10
E42C-2DR/M
*
@
2
Multi
620
10
E43F
3
4
3
Single
621
15
E42F-D
*
@
2
Single
622
10
E42F-D/M
*
@
2
Single
622
10
E42F-DR
*
@
2
Multi
623
10
E42F-DR/M
*
@
2
Multi
623
10
E42F-R
*
@
2
Multi
623
10
E42F-R/M
*
@
2
Multi
623
10
E43F-D
3
4
3
Single
623
10
E43F-DR
3
4
3
Multi
623
10
E43F-R
3
4
3
Multi
623
10
C11B/M
1
2
1
Single
627
30
C11B2
1
2
1
Single
628
35
C11B2A
1
2
1
Single
628
35
C11B2A-R
1
2
1
Multi
628
25
C11B2-R
1
2
1
Multi
628
25
C11B2C
1
2
1
Single
632
10
C11B2C-R
1
2
1
Multi
632
10
C11B2-D
1
2
1
Single
637
10
C11B2-DR
1
2
1
Multi
637
10
E43B2
3
4
3
Single
644
15
E42B2
*
@
2
Single
645
15
E43B2-D
3
4
3
Single
646
10
E43B2-DR
3
4
3
Multi
646
10
E43B2-R
3
4
3
Multi
646
10
E42B2-R
*
@
2
Multi
647
10
E42B2-D
*
@
2
Single
649
10
E42B2-DR
*
@
2
Multi
651
10
E43B3
3
4
3
Single
749
20
E43B3-D
3
4
3
Single
749
15
E43B3-DR
3
4
3
Multi
749
15
E43B4
3
4
3
Single
749
20
E43B4-D
3
4
3
Single
749
15
E43B4-DR
3
4
3
Multi
749
15
E43F3
3
4
3
Single
749
15
E43F3-D
3
4
3
Single
749
10
E43F3-DR
3
4
3
Multi
749
10
E43F4
3
4
3
Single
749
15
E43F4-D
3
4
3
Single
749
10
E43F4-DR
3
4
3
Multi
749
10
E43F4-R
3
4
3
Multi
749
10
CM1
1
2
1
Multi
764
20
LSA01-001
3
4
3
Single
771
10
LSA02-002
3
4
3
Single
772
10
HA1
1
2
1
Multi
773
10
HA1
1
2
1
Single
773
10
CM2
1
2
1
Multi
783
15
PM2
3
3
2
Multi
784
10
LSA02-001
3
4
3
Single
786
10
CM4
1
2
1
Multi
793
10
CM5
1
2
1
Multi
794
5
PM1
1
2
1
Multi
800
10
PM3 (CT operated)
*
#
3
Multi
801
15
TM1
1
2
1
Multi
809
10
TM2
1
2
1
Multi
810
10
CM6
1
2
1
Multi
812
10
CM7
1
2
1
Multi
813
15
PM2***JK
3
3
832
10
PM3***JK
*
#
833
15
SC2B
1
2
1
Multi
843
10
T81
3
4
3
Single
845
10
M81
1
2
1
Single
846
10
C11B3
1
2
1
Single
847
15
C11B3-R
1
2
1
Multi
847
10
C11B3C
1
2
1
Multi
848
10
EP2
3
3
2
Multi
849
10
EP2J
3
3
2
Multi
850
10
EP3
*
#
3
Multi
851
10
EP3J
*
#
3
Multi
852
15
PM3 (CT operated)
*
#
877
15
PM2 (CT operated)
3
3
878
10
PM3
*
#
879
15
PM2
3
3
880
10
J11B
1
2
1
Single
892
20
PB3
*
@
3
Multi
907
10
J11D
1
2
1
Single
910
20
PB3
*
#
3
Multi
911
10
PB2
3
3
2
Multi
912
10
PB2
3
3
2
Multi
913
10
A120 & A140 (SB1 & SD1)
1
2
1
Multi
939
20
EI3S
3
4
3
Single
952
10
A101
1
2
1
Multi
954
20
E111
1
2
1
Single
966
10
E211
1
2
1
Single
969
10
A1100
3
@
2
Multi
971
15
A100C
1
2
1
Multi
984
20
A200
1
2
1
Single
991
10
A1120 & A1140 & A1160
*
#
3
Multi
998
10
EMP1.c*
3
4
3
Single
1037
10
LZQJ-XC
3
4
3
Single
1038
10
GE24
1
2
1
Single
760
10
GH42
3
4
3
Single
761
10
S12
1
2
1
Single
945
10
DTSD545 CT
3
4
3
Single
1046
10
NU 070
1
2
1
Multi
803
10
NU 070 2
1
2
2
Multi
803
10
NU 076
1
2
1
Multi
836
15
NU 076-2
1
2
2
Multi
837
15
NU077-1
1
2
1
Multi
873
20
NU077-2
1
2
2
Multi
874
15
NU098
3
4
3
Multi
898
10
L100A00 & variants
1
2
1
Multi
948
15
J2, K2 and variants
1
2
2
Multi
959
20
K1
1
2
1
Multi
959
20
M1*****
1
2
1
Multi
967
15
S1*****
1
2
1
Multi
1001
20
Series S
1
2
Multi
1001
20
A115A** and A222A**
1
2
1 & 2
Single
1004
10
MAINSCOM
1
2
Single
1004
10
Mainstar
1
2
1
Single
997
10
E89AT2
1
2
1
Multi
766
15
E89E2
1
2
1
Single
766
25
E89ATD2
1
2
1
Multi
767
10
E89ED2
1
2
1
Multi
767
10
T31AT2
3
4
3
Single
769
10
T31ATD2
3
4
3
Multi
770
10
T37E2
3
4
3
Single
780
10
T37ED2
3
4
3
Multi
780
10
E96E2
1
2
1
Single
808
15
TE33
3
3
2
Multi
881
10
TE44
*
@
3
Multi
882
10
ME 100, 150 & 200
1
2
1
Multi
930
20
ME 22 P
1
2
1
Multi
931
10
MT3
3
4
3
Multi
932
10
MT3**
*
#
3
Multi
938
15
T36 1C2
3
4
3
Single
942
10
ME160
1
2
1
Single
949
20
MT401
3
4
3
Multi
962
10
ME161
1
2
1
Multi
970
10
MT420
3
4
3
Multi
976
10
MT423
3
4
3
Multi
976
10
MT171
*
4
3
Multi
989
10
ME162
1
2
1
Multi
1000
20
ME351
1
2
1
Single
1002
10
MT351
3
4
3
Single
1005
10
ME22P
1
2
1
Single
1008
10
MT37*-**A*****
3
4
3
Single
1010
10
MT372 &MT375
3
4
3
Single
1010
10
ME371 & ME 372
1
2
1
Single
1020
10
B1**
3
4
3
1018
10
C2**
1
2
1
1014
10
EE 3000 M
1
2
1
Single
859
10
685-351-**-00-050
3
4
3
Multi
964
10
686-162
1
2
1
Single
974
10
685-38*-OK-50
3
4
3
Multi
975
10
Z*Q20*C.*r***f *
3
@
3
Multi
1021
10
Z*D4**CT**.****S*
3
@
3
Multi
1023
10
E570
3
@
3
Single
1039
10
E660
3
@
3
Single
1040
10
MCS301
3
4
3
Single
1043
10
NF5
1
2
1
Single
409
15
NQ
1
2
1
Single
493
15
NQ/M
1
2
1
Single
530
20
NMM - ES
1
2
1
Multi
895
10
AK-2000
3
4
3
Multi
928
10
ES-2000P
1
2
1
Multi
934
10
AK-2000P
3
4
3
Multi
936
10
AK2000C
3
4
3
Multi
950
10
73**
3
4
3
Multi
965
10
ION P7550***0*5***.
3
4
Single
1009
10
ION P7650***0*5****
3
4
Single
1009
10
ION *8800***0B5*****
3
@
1029
10
ION *7550***0*5*****
3
4
1025
10
ION *7650***0*5*****
3
4
1025
10
CALMU C3D
3
4
3
Multi
750
5
CALMU C3T
*
#
3
Multi
751
10
CALMU C3TV
3
3
2
Multi
752
10
C3TV
3
3
2
Multi
777
10
C3V+
3
3
2
Multi
818
10
C3T+
*
#
3
Multi
819
10
CALMU3 C3T+
*
#
3
Multi
834
10
CALMU3 C3V+
3
3
2
Multi
835
10
C3D+
*
#
3
Multi
854
15
S3DXP410
*
#
3
Multi
886
10
P3M
*
#
3
Multi
891
10
P3T***
*
#
3
Multi
890
10
S3D410
*
#
3
Multi
900
10
P3VA11
3
3
2
Multi
901
10
P3V
3
3
2
Multi
902
10
R3V025-100
3
3
2
Multi
903
10
R3V021-100
3
3
2
Multi
904
10
R3M025-100
3
4
3
Multi
905
10
R3M021-100
3
4
3
Multi
906
10
LIBERTY 3E E1D104-100 E1D204-100
1
2
3
Multi
960
10
LIBERTY 3E E1D*04-*00/M
1
2
3
Multi
960 AMD1
15
LIBERTY 3P E3PD**_***
*
#
3
Multi
993
15
LIBERTY 3P E3PD**_***/M
*
#
3
Multi
993
15
E1D
1
2
1
Multi
918
15
LIBERTY 1E E1D*04-***
1
2
Multi
918 AMD1
15
LIBERTY 1E E1D***-***/M
1
2
1
Multi
918 AMD3
20
E1C***-*11i
1
2
1
Multi
996
15
Sprint XP
*
#
Single
1017
15
Premier P3**********N*M
*
#
Multi
1022
10
Premier P3**********N5M
*
#
1
1022
10
DDS43
1
2
1
Multi
994
20
DTS43
3
4
3
Multi
995
10
Premier 550 Type S3E551 and Type S3T551
3
@
3
Single
1041
10
Premier 550 Type S3E521
3
@
3
Single
1042
10
Prometer 540 type P54001
3
@
3
Single
1044
10
Prometer 540 type P54002
3
@
3
Single
1045
10
FD 95
1
2
1
Single
940
10
FM
1
2
1
Single
323
15
FMm
1
2
1
Single
342
5
FMP
1
2
1
Single
350
10
FMP2
1
2
1
Multi
406
10
FMmY
*
@
2
Single
414
15
FMmYT
*
@
2
Single
414
15
FMY
*
@
2
Single
414
15
FMmX
3
4
3
Single
415
15
FMmXT
3
4
3
Single
415
15
FMX
3
4
3
Single
415
20
MF3
3
4
3
Single
425
15
MF3d
3
4
3
Multi
425
15
FMXMD
3
4
3
Single
434
10
FMMD
1
2
1
Single
443
10
FMmMD
1
2
1
Single
443
10
FMT
1
2
1
Multi
455
10
FMXT
3
4
3
Multi
457
10
CL7
1
2
1
Single
463
35
CL7d
1
2
1
Multi
463
15
CH1
1
2
1
Single
466
15
MH1
3
4
3
Single
479
10
MH1dm
3
4
3
Multi
479
10
FMXa
3
4
3
Single
488
15
CL17
1
2
1
Single
508
20
CL17d
1
2
1
Multi
508
10
DF34
*
@
2
Single
515
15
DF34dm
*
@
2
Multi
515
10
FF34
*
@
2
Single
515
15
HF34
*
@
2
Single
515
10
HF34dm
*
@
2
Single
515
10
MF34
3
4
3
Single
515
15
MF34dm
3
4
3
Multi
516
10
FMXaT
3
4
3
Multi
518
10
YL1
3
4
3
Single
525
15
YL1d
3
4
3
Multi
525
10
FN12
1
2
1
Single
527
20
FNE12
1
2
1
Single
527
20
FN12Q
1
2
1
Single
528
25
FNE12Q
1
2
1
Single
528
25
YL11
3
4
3
Single
531
20
YL11d
3
4
3
Multi
532
15
YL11dm
3
4
3
Multi
532
10
CL27
1
2
1
Single
533
35
CL27d
1
2
1
Multi
533
25
FN12P
1
2
1
Single
535
10
FNE12P
1
2
1
Single
535
10
FN12PF
1
2
1
Single
536
10
FNE12PF
1
2
1
Single
536
10
FN34
3
4
3
Single
538
15
FN34QR2
3
4
3
Multi
538
10
FNE34
3
4
3
Single
538
15
FN33
*
@
2
Single
540
15
FN33Q
*
@
2
Single
540
15
FNE33
*
@
2
Single
540
15
FNE33Q
*
@
2
Single
540
15
FN12QP
1
2
1
Single
541
10
FNE12QP
1
2
1
Single
541
10
FN12QPF
1
2
1
Single
542
10
FNE12QPF
1
2
1
Single
542
10
FNA34R2
3
4
3
Multi
543
10
FNEA33
*
@
2
Single
543
15
FNEA33Q
*
@
2
Single
543
15
FNEA34
3
4
3
Single
543
15
FN34Q
3
4
3
Single
545
15
FNA34
3
4
3
Single
545
15
FNA34Q
3
4
3
Single
545
20
FNE34Q
3
4
3
Single
545
15
FNEA34Q
3
4
3
Single
545
15
CL28
1
2
1
Single
546
20
CL28d
1
2
1
Multi
546
10
FMQ
1
2
1
Single
549
20
FN12R2
1
2
1
Multi
549
10
FNE12QR2
1
2
1
Multi
550
10
FNE12R2
1
2
1
Multi
550
10
FN34R2
3
4
3
Multi
551
10
FNA34QR2
3
4
3
Multi
551
10
FNE34QR2
3
4
3
Multi
551
10
FNE34R2
3
4
3
Multi
551
10
FNEA34QR2
3
4
3
Multi
551
10
FNEA34R2
3
4
3
Multi
551
10
FN33QR2
*
@
2
Multi
552
10
FN33R2
*
@
2
Multi
552
10
FNE33QR2
*
@
2
Multi
552
10
FNE33R2
*
@
2
Multi
552
10
FN12D
1
2
1
Single
553
10
FNE12D
1
2
1
Single
553
10
FN34D
3
4
3
Single
554
10
FN34QD
3
4
3
Single
554
10
FNE33D
*
@
2
Single
554
10
FNE33QD
*
@
2
Single
554
10
FNE34D
3
4
3
Single
554
10
FNE34QD
3
4
3
Single
554
10
FNA33D
*
@
2
Single
560
10
FNA34D
3
4
3
Single
560
10
FNEA33D
*
@
2
Single
560
10
FNEA33QD
*
@
2
Single
560
10
FNEA34D
3
4
3
Single
560
10
FNEA34QD
3
4
3
Single
560
10
FNN2
1
2
1
Single
574
20
FNN2Q
1
2
1
Single
574
35
CL27.1
1
2
1
Single
575
25
CL27.1d
1
2
1
Multi
575
10
FN12QD
1
2
1
Single
579
10
FNE12QD
1
2
1
Single
579
10
VL11
*
@
2
Single
588
15
VL11.5
*
@
2
Single
588
15
VL11.5d
*
@
2
Multi
588
10
VL11d
*
@
2
Multi
588
10
FNA33
*
@
2
Single
589
15
FNA33Q
*
@
2
Single
589
15
FNA33QR2
*
@
2
Multi
589
10
FNA33R2
*
@
2
Multi
589
10
FNEA33QR2
*
@
2
Multi
589
10
FNEA33R2
*
@
2
Multi
589
10
FNA34QD
3
4
3
Single
606
10
CL27.2
1
2
1
Single
614
35
CL27.2d
1
2
1
Multi
614
25
FNN2QD
1
2
1
Single
626
10
F2Q-100
1
2
1
Single
630
30
F2Q-11B
1
2
1
Single
638
20
FPQ-102
1
2
1
Single
639
10
FNAB34
3
4
3
Single
652
15
FNAB34Q
3
4
3
Single
652
20
FNAB34QR2
3
4
3
Multi
652
15
FNAB34R2
3
4
3
Multi
653
10
VL122
*
@
2
Single
654
15
VL122d
*
@
2
Multi
654
10
VL123
*
@
2
Single
654
15
VL123d
*
@
2
Multi
654
10
VL124
*
@
2
Single
654
15
VL124d
*
@
2
Multi
654
10
VL125
*
@
2
Single
654
15
VL125dm
*
@
2
Multi
654
10
YL120
3
4
3
Single
654
15
YL120dm
3
4
3
Multi
654
10
YL121
3
4
3
Single
654
15
YL121d
3
4
3
Multi
654
15
FNAB33
*
@
2
Single
656
15
FNAB33Q
*
@
2
Single
656
15
FNAB33QR2
*
@
2
Multi
657
10
FNAB33R2
*
@
2
Multi
657
10
FNAB33D
*
@
2
Single
659
10
FNAB34D
3
4
3
Single
659
10
FNAB34QD
3
4
3
Single
659
10
FN33D
*
@
2
Single
666
10
FN34DR2
3
4
3
Multi
666
10
FMXMDR2
3
4
3
Multi
667
10
FMYMDR2
*
@
2
Multi
667
10
F2Q-10W
1
2
1
Multi
668
10
F2Q-10D
1
2
1
Single
672
10
F2Q-11D
1
2
1
Single
673
10
CL127
1
2
1
Single
675
20
CL127d
1
2
1
Multi
675
10
F2K-100
1
2
1
Single
677
25
F2K-100-2
1
2
1
Multi
681
25
F2K-100L
1
2
1
Single
685
20
F2K-100L-2
1
2
1
Multi
685
15
CL147
1
2
1
Single
686
40
CL147d
1
2
1
Multi
687
30
F2K-100I
1
2
1
Single
688
20
F2K-100I-2
1
2
1
Multi
688
15
FNN2QC
1
2
1
Single
689
20
F4K-100
3
4
3
Single
695
15
F4K-11B
3
4
3
Single
696
15
F2K-50B
1
2
1
Single
702
10
F2K-11B
1
2
1
Single
703
20
F4K-100-2
3
4
3
Multi
704
10
F4K-11B-2
3
4
3
Multi
704
10
F3K-100
*
@
2
Single
705
15
F3K-100-2
*
@
2
Multi
705
10
F3K-100L
*
@
2
Single
705
15
F2K-500
1
2
1
Single
710
10
F4K-10B
3
4
3
Single
712
15
F4K-10B-2
3
4
3
Multi
712
10
F2K-11B-2
1
2
1
Multi
713
10
F2K-500C
1
2
1
Single
717
10
F2K-500C-2
1
2
1
Multi
717
10
F2K-500C-9
1
2
1
Multi
717
10
F3K-100L-2
*
@
2
Multi
729
10
F4K-100L
3
4
3
Single
729
15
F4K-100L-2
3
4
3
Multi
729
10
F4K-10BL
3
4
3
Single
729
15
F4K-10BL-2
3
4
3
Multi
729
10
F4K-11BL
3
4
3
Single
729
15
F4K-11BL-2
3
4
3
Multi
729
10
F3K-100I
*
@
2
Single
730
15
F3K-100I-2
*
@
2
Multi
730
10
F4K-100I
3
4
3
Single
730
15
F4K-100I-2
3
4
3
Multi
730
10
F4K-10BI
3
4
3
Single
730
15
F4K-10BI-2
3
4
3
Multi
730
10
F4K-11BI
3
4
3
Single
730
15
F4K-11BI-2
3
4
3
Multi
730
10
F3K-11B
*
@
2
Single
733
15
F3K-11B-2
*
@
2
Multi
733
10
F3K-11BL
*
@
2
Single
733
15
F3K-11BL-2
*
@
2
Multi
733
15
F3K-10B
*
@
2
Single
734
15
F3K-10B-2
*
@
2
Multi
734
10
CM147
1
2
1
Single
735
20
CM147d
1
2
1
Multi
735
10
F2K-500D
1
2
1
Multi
736
10
F2K-500D-2
1
2
1
Multi
743
10
F2K-500D-9
1
2
1
Multi
743
10
S2S-500A1
1
2
1
Single
754
10
S2S-500A2
1
2
1
Multi
754
10
ZCB120
1
2
1
Single
757
20
ZCB120d
1
2
1
Multi
757
15
S2S-700A
1
2
1
Multi
758
20
S2S-600A
1
2
1
Multi
762
15
ZCB127
1
2
1
Multi
781
15
ZCB127
1
2
2
Multi
782
15
S4S-11B
3
4
3
Multi
787
10
ZMB127
*
#
3
Single
788
15
ZMB127d
*
#
3
Multi
788
15
ZFA405
3
3
2
Single
797
10
ZMA405
3
3
4
Single
798
10
ZCA405
1
2
1
Single
799
10
S4S 100
3
4
3
Multi
805
10
FF10
3
3
2
Single
811
10
MF10
3
4
3
Single
811
10
VL11101
3
3
2
Single
811
10
YL11101
3
4
3
Single
811
10
S2S-601A
1
2
1
Multi
827
15
ML240xtf3
3
4
3
Multi
831
10
S2S-720A
1
3
1
Multi
856
10
S2S-730A
1
2
2
Multi
857
10
S2A-100
1
2
1
Multi
862
10
S2A-200
1
2
1
Multi
870
20
F2K-100H-9
1
2
1
Single
871
20
ZMB120K
3
4
3
Multi
872
10
7EC49
3
4
3
Multi
883
10
ZCB221k
1
2
1
Multi
884
10
Q4N
*
@
3
Multi
885
10
S2AS
1
2
1
Multi
887
25
ZMB120k
3
4
3
Multi
899
10
S2BS
1
2
1
Single
909
25
S2BS
1
2
1
Multi
917
20
S2AT
1
2
1
Multi
929
20
ZMD120AM
*
#
3
Multi
937
10
S2AM-100
1
2
1
Multi
944-2
25
ZCE127
1
2
1
Multi
951
15
ZMD120AS
*
#
3
Multi
953
10
ZCE129ACe
1
2
1
Single
955
25
ZCE129ACd
1
2
1
Multi
955
25
CM100
1
2
1
Single
968
10
MM2000
3
4
3
Multi
972
10
ZCE 527
1
2
1
Multi
988
20
AM
1
2
1
Single
348
20
ZAP01
1
2
1
Multi
943
10
”.

---
Source: https://www.legislation.gov.uk/uksi/2026/162/schedule (the official version)
Page: https://openlegislation.uk/meters-certification-amendment-regulations-2026/schedule
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.