ESI 09-21 : ISSUE 1
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
CROSS LINKED POLYMERIC INSULATED TRIPLEX CABLES FOR A RATED VOLTAGE OF 6350/11000 VOLTS (Um=12000V)
23-07-2013
12-01-2013
Covers the construction and dimensions of triplex cables which comprise three single core cables laid up around a lead sheathed stranded copper earth conductor. Each core has a compacted circular, stranded aluminium conductor and extruded cross linked insulation complying with BS 6622. A water blocking layer and a metallic screen consisting of aluminium foil, bonded to a polyethylene oversheath are applied over each core. Test requirements and test methods are included which are intended to demonstrate the stability of the cable components for operating at a sustained maximum conductor temperature of 90 deg C. Cables conforming to this Specification are suitable for laying direct in ground, in ducts or in air, but not self supporting.
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