The allure of performing electrical repairs on your own is strong. There's a tactile response to killing the power and installing something new in your home without the help of a professional. Knowing ...

ONJune 11, 1999, an electrician was troubleshooting the emergency power system. After testing the transfer panel, he moved to the emergency breaker compartment (480 volts, 200 amps), removed the cover ...

Proper engineering on the front end of a project, including acceptance testing and commissioning prior to initially energizing, ensures a smooth start up and reduces the problems that can keep a ...

Although the National Electrical Code (NEC) is the most significant publication for electrical installations in our industry, it’s also the most intimidating — especially to those new to the field.

Electrical installations form the backbone of society — powering homes, businesses, and industries with the energy essential for everyday operations. However, working with these systems can be ...

To ensure compliance under 1910.147, hazardous energy sources, such as electrical, pneumatic, hydraulic, chemical and thermal energy, need to be properly isolated to a zero-energy state through a ...