
Conduits for electrical installations. Specification of general requirements
出版:British Standards Institution

專家解讀視頻
Requirements for conduit of circular cross-section for the protection of the conductors and/or cables in electrical installations.
? British Standards Institution 2013
Replaces notes:
Replaces BS 4607:Part 2:1970 and BS 4607:Part 3:1971.
Amendment notes:
AMD 4933 published 31 December 1985