BS6724 Cable

Thermosetting insulated armoured cables - 600/1000V to 1900/3300V - with low emission of smoke and corrosive gases when affected by fire. Manufactured in accordance with British Standard BS6724

British-Standard BS6724 cable

This Standard specifies requirements for armoured power supply cables with Cross-Linked Polyethylene (XLPE), Ethylene Propylene Rubber (EPR), or thermosetting polyolefin insulation with an LSZH sheath for use in public areas where there is a need to reduce the risk of harmful smoke and fumes when exposed to fire. Cables manufactured in accordance with BS6724 produce low levels of smoke and corrosive gas when exposed to fire than comparative cables manufactured in accordance with low voltage armoured cable BS5467 and traffic signal cable to BS6346.

BS6724 Cable construction

	600/1000V	1900/3300V
Conductors
Single core	Stranded copper (Class 2) or solid aluminium (Class 1)
Two-core	Stranded copper (Class 2) or solid aluminium (Class 1)	N/A
Three-core	Stranded copper (Class 2) or solid aluminium (Class 1)
Four-core	Stranded copper (Class 2) or solid aluminium (Class 1)	N/A
Five-core	Stranded copper (Class 2)	N/A
Multicore auxiliary-core	Stranded copper (Class 2)	N/A
Insulation	GP8, GP6 or EI5
Bedding	Extruded layer of polymeric material compatible with the operating temperature of the cable. HCI levels are not to exceed 0.5%
Armour
Single core	Plain aluminium wire
Two-core and above	Galvanised steel wire
Outersheath	Extruded layers of compatible polymeric material conforming to the requirements of LTS 1 specified in BS7655. HCI levels are not to exceed 0.5%

BS6724 cable can sometimes be referred to by its construction in international markets - XLPE/LSZH/SWA/LSZH for multicore cables.

BS6724 cable core identification

The Standard specifies the following core colour identification system:

Single core	Brown or Blue
Two-core	Brown and Blue
Three-core	Brown, Black and Grey
Four-core	Blue, Brown, Black and Grey
Five-core	Green/Yellow, Blue, Brown, Black and Grey

Due to mechanical protection provided by their armours, cables manufactured to BS6724 are suitable for applications in industrial wiring and mains distribution where there is a risk of mechanical damage and for direct burial.

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Other Standards

BS5467 Cable BS6622 Cable BS7835 Cable Back to Overview

BS6724 Cable

2 product(s)

BS 6724 SWA LSZH BASEC Multi Core 0.6/1kV Cable

BS 6724 AWA LSZH BASEC Single Core 0.6/1kV Cable

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