All Code references are based on the 2005 NEC. The grounding and bonding requirements in this column apply to solidly grounded systems that operate at not more than 600V, such as 120/240V, 120/208V, ...

One common NEC violation is an installation where grounding electrodes aren’t bonded together. All grounding electrodes present at a building must be bonded together to form the grounding electrode ...

Residential PV systems are generally installed on the rooftop of residential buildings, with a large metal surface area, higher distance from the ground and an exposed location. Such PV systems are ...

AN estimated 58 people lose their life each week as a result of electric shock. In an electrical system, the grounding system is the primary protection against electrical shock hazards. It provides a ...

The author is national program manager for the Copper Development Association. Lightning strikes and consequent power surges can seriously disrupt the operations of a radio station. Considering the ...

MONTGOMERY, Ala. (WSFA) - It may not seem like it, but lightning can be a serious threat to homes, businesses and safety. Every year in the U.S. there are numerous lightning-related insurance claims ...