BS 4678-2:1973
Current
The latest, up-to-date edition.
Cable trunking Steel underfloor (duct) trunking
Hardcopy , PDF
English
10-15-1973
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Foreword
Specification
1 Scope
2 Definitions
3 General requirements
4 General conditions for the tests detailed in
Appendix A of BS 4678 : Part 1
5 Classification
6 Marking
7 Details of construction
8 Dimensions
9 Resistance to corrosion
10 Electrical continuity test
Table
1 Sizes and preferred lengths
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.
| Committee |
PEL/213
|
| DevelopmentNote |
Supersedes 71/29986 DC. (07/2005) Reviewed and confirmed by BSI, November 2012. (10/2012)
|
| DocumentType |
Standard
|
| Pages |
10
|
| PublisherName |
British Standards Institution
|
| Status |
Current
|
This British Standard specifies requirements for steel underfloor (duct) trunking, and connectors, intended for the protection of cables in electrical installations which are laid on a structural floor and subsequently covered with a floor screed.
The specification includes underfloor (duct) trunking having nominal sizes of 75.0 × 25.0 millimetres to 225.0 × 37.5 millimetres. It does not relate to surface (see BS 4678-1), bench, flush floor, overhead lighting or skirting trunking.
NOTE The titles of the British Standards referred to in this standard are listed on the inside back cover.
| BS 7333:1990 | Specification for slewing jib cranes |
| BS 7671(2001) : 2001 AMD 14905 | REQUIREMENTS FOR ELECTRICAL INSTALLATIONS |
| BS 3382-1&2(1961) : 1961 | SPECIFICATION FOR ELECTROPLATED COATINGS ON THREADED COMPONENTS - CADMIUM ON STEEL COMPONENTS - ZINC ON STEEL COMPONENTS |
| BS 4183:1967 | Specification for machine screws and machine screw nuts. Metric series |
| BS 4678-1:1971 | Cable trunking Steel surface trunking |
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