| Specification |
: |
BS 6724 |
| |
|
|
| Conductor |
: |
Stranded Class-2 to BS 6360 |
| Insulation |
: |
Thermosetting compound type GP8 to BS 7655 with low emission of smoke corrosive gases when affected by fire. |
| |
|
|
| Lay-up |
: |
In concentric layers |
| Bedding |
: |
Extruded Polymeric material with HCI level less than 0.5% to BS 6425 the metallic side down. |
| Sheath |
: |
LTS 3 compound to BS 7655: Section 6.1 |
| Rated Voltage |
: |
300/500 V |
| Conductor Resistance |
: |
to BS 6360 |
| Spark Test on Insulation |
: |
to BS 5099 |
| Voltage Test |
: |
2000 V ac |
| |
|
|
| Resistance to fire |
: |
to BS 6387 - category C |
| Resistance to fire with water |
: |
to BS 6387 - category W |
| Resistance to fire with mechanical shock |
: |
to BS 6387 - category Z |
| Flame propagation test on single cable |
: |
to BS 4066 - part 1 |
| Smoke Emission |
: |
to BS 7622 |
| Minimum Transmittance |
: |
80% for cables of diameter <= 20mm 60% for cables of diameter <= 20mm to 40mm |
Non-sheathed cables to BS 7211
300/500V : H05Z-U,K
