Grounding wire of local distribution box

26 mm 2 (10 AWG) ground wire must be used, and in all other markets a 6 mm 2 must be used. Whether you're a seasoned pro or just starting out, this comprehensive guide will give you practical insights into proper grounding techniques, with a special focus on how selecting quality materials from a reliable building material supplier impacts your entire system's safety and longevity. Power from factory ground must be installed by a qualified electrician. Grounding of the units: Attach a ground wire from one of. The correct connection method of Distribution box grounding wire mainly includes the following steps: 1. This position is the connection point of the grounding wire in the. How should we protect ourselves from the safety issue? For example, for High And Low Voltage Distribution Cabinets, the distribution box needs to be grounded regardless of size. Make sure all tools are intact to prevent accidents during the grounding. **Dig a trench**: Dig a trench about 1.