ConduitBuy quality conduit at discount prices. Suitable for marine, automotive, agricultural and DIY installations. Call 01202 871924 now for best prices or buy online next day delivery. Ask about our range of fittings. Conduit provides very good protection to enclosed conductors from impact, moisture, and chemical vapours. Varying numbers, sizes, and types of conductors can be pulled into a conduit, which simplifies design and construction compared to multiple runs of cables or the expense of customised composite cable. Wiring systems in buildings are subject to frequent alterations. Frequent wiring changes are made simpler and safer through the use of electrical conduit, as existing conductors can be withdrawn and new conductors installed, with little disruption along the path of the conduit. A conduit system can be made waterproof or submersible. Metal conduit can be used to shield sensitive circuits from electromagnetic interference, and also can prevent emission of such interference from enclosed power cables.When installed with proper sealing fittings, a conduit will not permit the flow of flammable gases and vapours, which provides protection from fire and explosion hazard in areas handling volatile substances. Some types of conduit are approved for direct encasement in concrete. This is commonly used in industrial buildings to allow electrical and communication outlets to be installed in the middle of large open areas. For example, retail display cases and open-office areas use floor-mounted conduit boxes to connect power and communications cables. |
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Both metal and plastic conduit can be bent at the job site to allow a neat installation without excessive numbers of manufactured fittings. This is particularly advantageous when following irregular or curved building profiles. The cost of conduit installation is higher than other wiring methods due to the cost of materials and labour. In applications such as residential construction, the high degree of physical damage protection is not required so the expense of conduit is not warranted. Conductors installed within conduit cannot disperse heat as readily as those installed in open wiring, so the current capacity of each conductor must be reduced if many are installed in one conduit. It is unreasonable, and prohibited by wiring regulations, to have more than 360 degrees of total bends in a run of conduit, so special outlet fittings must be provided to allow conductors to be installed without damage in such runs. While metal conduit can be used as a grounding conductor, the circuit length is limited. A long run of conduit as grounding conductor will not allow proper operation of over current devices on a fault, for example. |
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PCS CABLES & CONNECTORS
14-16 Kingfisher Park Industrial
Estate, Three Cross Road, West Moors. Dorset BH21 6US
Tel. 01202 871924 Fax. 01202 895661