Will the Dell computer boot only show the screen can not enter the desktop how to do the mouse did not respond
Home lighting circuit, wire margin, wire heat is not big, bus, main line, socket line, light line, walking in the same trunking does not matter.
Commonly used cable bracket grounding method is: with a long round bar to connect the various planes, there are two points connected with the grounding grid. The reason why do not think the cable tray has been grounded out of the valve slotted bones of the bone, the stent can not be grounded. Is because the cable bridge and the bracket is not welded but under the overlap, once the cable on the bridge failure, due to the junction of the resistance is too large and cause the fault current is too small, so that protection can not correct action.
4.0 square wire is the cross-sectional area of the wire 4mm2.
