My company air compressor wire from the company next door pull the tower, three-phase four-wire, 120 square wire, but in the iron trunking issued a sound, sound Too big, why is it?
Path detector. The principle is to make the wire loop, enter the AC signal. And the signal strength is determined by detecting the angle of the circular magnetic field radiated from the electric wire to determine the direction of the electric wire. In the vertical section of any point in the line to choose two points to determine the direction of the wire, the two directions is the intersection of the location of the line A point.
Probably count the workers can be counted out of a worker wages 200 days
From left to right or from right to left are allowed to play, this mainly depends on personal preferences, no special requirements
