26 mm 2 (10 AWG) ground wire must be used, and in all other markets a 6 mm 2 must be used. Safety of Personnel: By safely channeling fault currents into the ground, proper grounding helps to reduce the risk of electric shock to personnel. This helps to reduce the potential difference that exists between conductive parts and the earth. Whether you're a seasoned pro or just starting out, this comprehensive guide will give you practical. Abstract: System grounding considerations affect many aspects of an electrical system. Whether you're a homeowner, an electrician, or an engineer, understanding the principles of grounding and bonding can help ensure that electrical systems are not only efficient but also safe from. The neutral grounding method is one of the most important elements to consider when utilities plan and operate their distribution system. The specific neutral grounding method chosen by the utility can have significant impacts on reliability of service, safety, protection coordination, power. Power from factory ground must be installed by a qualified electrician. Each DISTRIBUTION BOX and controller must be grounded. Grounding of the units: Attach a ground wire from one of.