A friend who was buying an older house was concerned about electrical safety and asked for my opinion as an electrical engineer. All of the AC receptacles (also called outlets) in the house were the ...

To be competitive, some electrical contractors often supply low-voltage (LV) service entrance switchboards and switchgear that meet the minimum safety requirements of the National Electrical Code (NEC ...

The odyssey for ground-fault protection (GFP) of marine equipment began with the addition of Sec. 555.3 in the 2011 NEC. This section called for “ground-fault protection” on the main overcurrent ...

Upper Great Plains lineman Shayne Bender demonstrates how to use a buck hook with a self-retracting lanyard to ascend a steel lattice tower at fall protection training in Mead substation. When the ...

From the left, Travis Profitt, ORNL electrical utilities planner; Andrew Bush, ORNL safety services division; and Tony Boyd, instructor from the Institute for Safety in Powerline Construction, oversee ...

Created to protect personnel from electric shock, GFCI-type operations now help protect equipment as well. • Ground-fault sensing now protects equipment as well as personnel. • The magnitude of ...