BSI - BS 4678-2
Specification for Cable Trunking - Part 2: Steel Underfloor (Duct) Trunking
|Publication Date:||15 October 1973|
|ICS Code (Conduits for electrical purposes):||29.120.10|
Trunking and connectors intended for the protection of cables laid on a structural floor and subsequently covered with a floor screed. Requirements and tests in Part 1, modified as necessary for underfloor trunking, are applicable to this Part.