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Hangzhou Spring Electronics Co.,Ltd.
Electronics production experts
Hangzhou Spring Electronics Co.,Ltd.
Electronics production experts
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Wire used for circuit decoration We usually referred to as wire and cable, wire and cable and there is no strict boundaries. If you must distinguish between, that is, the wire is composed of one or mo...
Insulation will cause damp cable pressure drop caused by failure. Cable damp main reasons are: (1) Water inflow due to improper sealing of the connector box or terminal box structure or poor installat...
It can be divided into three types: series fault, parallel fault and complex fault. (1) series failure A series fault (metal defect) refers to a breakdown of one or more conductors (including lead and...
1, Excellent fire performance, fire rating not only meet the international GB12666.6A class 950 ℃ 90min can also meet the requirements of the British BS6387-1994 A-class 650 ℃ 3h B-class 750 ℃ 3h C-cl...
Conductor resistance of the cable DC Resistance: R '= R0 [1 + α20 (θc-20)], Ω / m (AC) Effective resistance: R = R '[1 + Ys + Yp], Ω / m Core loss: Wc = I 2 R, W / m ...
The role of metal shield: 1) The formation of the working electric field of the low-voltage electrode, when the local burr will form a great electric field strength, therefore, we must strive to make ...
Wire is an indispensable home improvement in the basic building materials, but also an important part of concealed projects, whether the quality of the electrical clearance is directly related to the ...
After the insulated core of each phase is made, a metal shield or a metal sheath (lead sleeve or aluminum sleeve) is first wrapped, and then filled with a cable, a spacer sleeve or an inner liner, a m...
