Insulated conduits to BS 4607 are made of a rigid PVC material and form part of a definite and accepted wiring system. By care in installation and under the right conditions, the insulated tubing may, with confidence, be fitted in place of metal conduits as the material will not crack with normal usage. The sizes in both cases are identical, that is 16, 20, 25 and 32 mm. The manufactured lengths are 3 to 4 m. Conduit colours are usually black or white.
KeywordsConduit System Electrical Installation Continuity Conductor Conduit Diameter High Temperature Type
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