BS 4662:1970
Specification for boxes for the enclosure of electrical accessories
https://doi.org/10.3403/00005208 (published 31/12/1970)
BS 4662:1970 is maintained by PEL/23. This standard is available from the following sources:
Other historical versions of this standard document also exist:
- BS 4662:2006+A1:2009 [current until 30/11/2011]