The importance of proper wiring:
FireWire is live, the ground and the zero line is not brought, household two jack socket has a FireWire, a zero line, with a pen can be measured live is the hot wire, uncharged is the zero line, the three jack socket only in the ground, ground to connect the electrical appliances the shell, in order to prevent people from electric shock electric shock casualties.
Home socket hole in the wiring location is provided, if the open socket can be seen, marked with the L mark is connected.FireWire, N mark is connected to the zero line, the ground has a special grounding symbol. Do not understand people do not pick up (Especially the location of the ground), otherwise it may cause serious consequences.
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