Cable trunking Steel underfloor (duct) trunking

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

15-10-1973

Publisher

British Standards Institution

Co-operating organizations
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.

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.

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

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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BS 4678-2:1973

Cable trunking Steel underfloor (duct) trunking

Table of Contents

Abstract

Scope

General Product Information

Standards Referenced By This Book

Standards Referencing This Book

Category

Subcategory