15-11-2012, 06:23 PM
LIGHTS AND LIGHTING FIXTURE AND ELECTRIFICATION
FINAL LIGHTS AND FIXTURES PPT.pptx (Size: 551.51 KB / Downloads: 28)
WIRES & CABLES
WIRES & CABLES are sed as electrical condrctors in house,buillding,office,commercial or industrial wiring. Some of the terms used are,
Conductor:-the conductor are drawn from bringht electroltic grade copperanealed ad bunched together as per class 5 of IS 8130 : 1984
Insulaton:-bunched conductors are insulated wiyh specially formulated in-house developed pvc copound having high insuated resistance values.the insulation process is carried out on modern high speed extrsion lines with a high degree of accuracy,thus ensuring consistency in performance.
Sheathing :-in case of multi core cable, the insulated cores ae laid up to form the core assemly.sheathing is povide with specially formulated PVC compound to facilitate stripping as also to withstand mechanical abrasion while in use.
SINGLE CORE WIRE
SINGLE CORE WIRES mainly used are of 1 sq mm, 1.5 sq. mm, 2.5 sq mm & 4 sq. mm they are made as per IS 694:1990 & they are available in 90 meters coil size
SWITCHES
Switches are mainly of two types
1) Surface box mounted switches
2) Modular switches
1) Surface box mounted switches:-surface box mounted
on box of polycarbonate or acrylic sheet
2) Modular switches are mounted on modular plates specially designed for it which is in that fitted on poly carbonate or metal box which is concealed inside wall.
Apart from switches, sockets other accessories are telephone jack, computer jack, T.V. outlet, buzzer, fan regulator power bell plug, adaptor, D.P switch etc…