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Question:

Why the neutral line can not fuse

Why the neutral line can not fuse

Answer:

The role of the fuse is that when it is in series circuit current High when the fuse overheats, burned, the circuit is broken
May 9, 2017
In the electricity (220V) from the theory and practice, the installation of fuses on the zero line is not allowed,
May 9, 2017
if the zero line of the fuse accidentally damaged, in this circuit all with single-phase electrical equipment have 220V The ground voltage is quite dangerous.
May 9, 2017
In the industrial electricity (380V), three-phase air switch (than the anti-over-current role of the fuse, but also more)
May 9, 2017
(Such as in the machinery industry, all the mechanical equipment are connected to the air switch, which not only has the function of the fuse, as well as undervoltage protection, overvoltage protection, etc.)
May 9, 2017

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