Because the main
carrier of energy transmission, cable is widely utilized in electrical
equipment, lighting circuit, household appliances and so on. The high quality
of the cable is directly affect the engineering quality, and the security of
life and property of customer. There are many Cable Manufacturers within the marketplace, and you will find
also many varieties of cable. You need to select proper cable according to the
usage of electricity load. You can find related models and specifications in
the cable specification.
Usually, whenever
you select a wire and cable, except electrical wire size and electrical wire
price, you need to also notice some particulars as below.
First of all, you
need to choose right wire and cable kinds. At this time, you should consider
the purpose, the laying conditions and safety, for instance: according to the
various utilizes, you are able to choose energy cable, aerial insulated cable
and manage cable; according to the various laying conditions, you are able to
choose general plastic insulated cable, Screened Manage Cable, steel tape
armoured cable, Armoured Power Cable, anti-corrosion cable and so on; based on the
security requirements, you are able to choose the flame retardant cable,
halogen totally free flame retardant cable, fire cable, etc..
Secondly, the
option of the regular of wire and cable. When you need to make sure the
specification of wire and cable, usually, you should consider heating, voltage
loss, economic present density, mechanical strength and so on.
According to the
encounter, for the low-voltage power line, due to its bigger load present, you
should consider the section first according to the circumstances from the
heating, and then check the voltage loss and mechanical strength. For low
voltage lighting line, it has a high specifications around the voltage level,
you need to select the section according to the permissive voltage loss
condition, then checking the heating conditions and mechanical strength. For
high voltage transmission lines, firstly, you should select section according
to economic current density, and then check the heating circumstances and
permit voltage loss. For high voltage overhead line, expect the section,
heating circumstances, you also should think about its mechanical strength. If
the user has no experience, some professional units or individuals will offer
some suggestions for you personally.
Lastly, you
should select the Cable Manufacturer. There are lots of differences in between the
various goods supplied by different Cable Manufacturer even they have exactly the same name or same
size. The inner material is extremely essential to get a cable. A great cable,
it adopt great copper or some other high conductivity metal, but you cannot
verify it by yourself, so you need to choose a Cable Manufacturer who features a higher inspection regular and
high quality requirement.
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