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Question:

What are the electrical equipment? What are the main parts of each device?

Water pipe in the next line in which the norms have to solve

Answer:

1: the bridge can be anti-rat and other animals bite line 2: can go high overhead, the late wiring can not go dark lines, can only take the high-altitude line 3: the bridge is very standardized, easy maintenance later 4: waterproof and anti-light,
Under normal circumstances, the weakness of the bridge with more, like office buildings are generally in the corridor, if the strong power from the corridor to take the cable or wiring more, are not easy to embed, you can also walk the bridge, as to why the use of bridge , Because the wiring into the inside, and finally wrapped with iron, the equivalent of a channel to protect the isolation, no special meaning
Oh, the chassis of this thing or belong to the "heavy industry" products, thin when the evaluation of electronic industrial products standards, the chassis does not apply

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