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General principles of wire and cable and other attention

by:Sure     2021-08-17
⒈When selecting the wire and cable model, consider the use, laying conditions and safety of wires and cables; for example: according to different uses, you can choose power cables, overhead insulated cables, control cables, etc.; according to different laying conditions, you can choose general Plastic insulated cables, steel tape armored cables, steel wire armored cables, anti-corrosion cables, etc.; According to safety requirements, you can choose ⒈Wire and cable model selection When selecting wires and cables, consider the use, laying conditions and safety; for example: according to For different purposes, power cables, overhead insulated cables, control cables, etc. can be selected; according to different laying conditions, general plastic insulated cables, steel tape armored cables, steel wire armored cables, anticorrosive cables, etc. can be selected; according to safety requirements, Flame-retardant cables, halogen-free flame-retardant cables, fire-resistant cables, etc. can be used. ⒉The selection of wire and cable specifications When determining the use specifications of wires and cables (conductor cross-section), the selection conditions such as heat generation, voltage loss, economic current density, and mechanical strength should generally be considered.
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