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2022-03
Zhejiang Shengshuo Electric Co., Ltd. is located at the head of Yandang Shanxi, a scenic resort with beautiful mountains and rivers, on the Bank of the East River and the Oujiang Estuary. It is locate···
With regard to the application of four pole circuit breakers, there are no hard requirements for the use of national standards or regulations in China. Although the design specifications of regional f···
Answer: 1 1p is used for lighting. There is nothing wrong with the traditional practice. There is also 1p + N, which is not necessary. There is no leakage for lighting.2. In fact, 1p + n is good. Swit···
Answer: for 1p and 2p single-phase equipment, 1p can be used for lighting and 2p for socket; 3P is used for three-phase equipment, and there is a place where three-phase electricity enters the house
(1P is only used to cut off the live line and share the zero line for the branch air switch of home decoration. In this case, one of the circuits is cut off, and the zero line still has voltage at the···
(in civil residential buildings, the outgoing line from the meter box to the indoor distribution box is a single-phase outgoing line. Why does the incoming line of the distribution box use 2p instead ···
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