Repeated grounding of the construction level three distribution box
26 mm 2 (10 AWG) ground wire must be used, and in all other markets a 6 mm 2 must be used. A ground of all overhead line distribution equipment is always grounded and bonded to cont all be consider as a priority, if not available. • Good system grounding provides the path for normal load and fault currents while maintaining load and controls temporary overvoltage. In the phase four-wire power supply system, the protection zero is used in conjunction with the repeated grounding.
Read More