Paragraph 8 Polyphase metersI1
Northern Ireland
(1)
Every polyphase meter shall be tested on a circuit having a phase relationship for which that meter is designed. However, three phase, four wire polyphase meters may be tested without current in the neutral conductor.
(2)
Polyphase meters shall be tested by using—
(a)
a polyphase kilowatt-hour energy standard;
(b)
2 or 3 single phase kilowatt-hour energy standards; or
(c)
2 or 3 single phase wattmeters.
Annotations
Commencement
- I1
Sch. 3 para. 8 in operation at 1.2.1999, see reg. 1