26 mm 2 (10 AWG) ground wire must be used, and in all other markets a 6 mm 2 must be used. On the US market, a 5. Grounding is a mechanism to protect distribution equipment and people under normal operating conditions, abnormal operational (overcurrent and overvoltage) responses, and hazardous conditions such as shocks. Grounding is necessary to assure correct operation of electrical devices, to assure safety. Power from factory ground must be installed by a qualified electrician. Each DISTRIBUTION BOX and controller must be grounded. The grounded conductor is typically the neutral, so going forward we will refer to the grounded conductor as the neutral. The best protection is afforded by low pole grou history of lightning performance). These arresters (mostly zinc oxide) are solid state and are di ect connected.
