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Universal rubber plastic power cord and use the advantages of the structural characteristics
2014-02-19 00:04:11
 

Universal rubber plastic power cord and use the advantages of the structural characteristics

Structural features
1 , Scope: Installation cable connections and internal AC rated voltage 450/750V power, lighting , electrical equipment , instrumentation and telecommunication equipment.
2 , laying the occasion and manner : Indoor and communication channel for surface , along the wall or overhead laying the tunnel ; outdoor aerial installation , wearing iron pipe or plastic pipe laying , electrical equipment, instruments and radio equipment laying , both fixed installation ; plastic sheathed power cord can be buried in soil laying.
3, the general requirements: economic and durable, simple structure.
4 , special requirements :
1 ) outdoor laying, affected by sunlight , rain and freezing conditions , requiring resistance to atmospheric , especially resistant to sunlight aging ; hardy in cold regions have requested ;
2 ) use, vulnerable to external damage or flammable , very many occasions in contact with oil should wear tube ; wear tubes, subject to greater tension power lines , and scratched possible measures should be taken to lubrication ;
3 ) as the electrical equipment for internal use , the installation location when small , should have a certain softness and requires a clear separation insulated core , should be compatible with the corresponding connector terminals and plugs so convenient and reliable connection ; For electromagnetic demanding applications should be shielded power cord ;
4 ) For higher ambient temperatures occasions , rubber sheathed power cord should be used ; For special applications in high temperature resistant rubber cord.
The advantages of using
1 , the guide wire core power : as the power, lighting and electrical equipment inside the installation , priority using copper , a large section of the wire should be used to squeeze cores ; fixed installation conductors generally use Class 1 or Class 2 conductor structure.
2 , insulation: insulating material is generally made ​​of natural rubber styrene-butadiene , polyvinyl chloride , polyethylene, polyvinyl chloride nitrile compound other four ; heat power line 90 ℃ temperature of polyvinyl chloride .
3 , Jacket: PVC sheathing materials generally have , hardy PVC , termite PVC , black polyethylene , neoprene rubber and other five .
Particularly hardy and outdoor aerial installation should use black polyethylene and neoprene sheath power cord.
In an external force , corrosion , moisture and other environmental , can be rubber or plastic sheath power cord.


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