Specifications

NAIROBI OPERATIONAL HUB
UNOPS Building, UN Lane, Off UN Avenue Tel: +254 20 7621120
P.O Box 783,Village Market, 00621 E-mail: info@unops.org
Nairobi, Kenya Website: www.unops.org
UNOPS is ISO 9001 certified
PART 2 - PRODUCT
2.01 PVC INSULATED/PVC SHEATHED CABLES
These shall be 600/1000V, single or multi-core conforming to BS 6346 with high
conductivity plain annealed stranded copper conductors to BS 6360, PVC
insulated with an extruded layer of PVC bedding and a final outer extruded PVC
sheath. The insulation and sheath shall be to BS 6746 with insulation coloured to
identify phases and neutral in accordance with BS 6746 C. Armoured sheathed
cables shall have a single layer of galvanized steel wires for multi-core cables and
aluminium wire or tape for single core cables.
2.02 CROSSED LINKED POLYETHYLENE CABLES
These shall be single core or multi-core cables, 600/1000V conforming to BS
5467 with high conductivity plain annealed stranded copper conductors to BS
6360, insulated with cross linked polyethylene (XLPE) to BS 6899 applied by a
combined extrusion and vulcanization process to form a compact homogeneous
layer, cables bedded and overall sheathed by a black PVC layer to BS 6746.
Armoured cables shall have a single layer of galvanized steel wires for multi-core
cables and aluminium wire or tape for single core cables.
2.03 WIRES
A. Single core cables shall be plain annealed copper conductor to BS 6360,
insulated with PVC to BS 6746, 600/1000 V grade conforming to BS
6004, single core for drawing inside conduits and trunking.
B. Single core cables shall be continuous from outlet to outlet and no splice
shall be made except within outlet and junction boxes. A separate neutral
wire shall be provided for each circuit. Wires shall be left sufficiently long
to permit making final connections. The colour of insulation shall be as
specified in IEE regulations for different phases, neutral and earth wires.