Note: This article is based on the 2011 NEC. Overcurrent exists when current exceeds the rating of equipment or the ampacity of a conductor. This can be due to an overload, short circuit, or ground ...

This answer is based on the 2017 NEC. A. Ground-fault protection of equipment is required for 277/480V service disconnects rated 1,000A or more. The rating of the ...

When thinking about options for electrical protection, you have two choices: locking out and tagging the equipment or providing appropriate personal protective equipment (PPE). Whether you choose ...

There are two basic names for shoes that have some protection from electrical shock: Dielectric (DI) and Electrical Hazard (EH) rated. The differences between the standards are not usually understood, ...

Skilled nursing facilities are compelled by regulatory compliance to provide residents, staff and visitors with a safe environment of care. Providers occasionally receive deficiencies for conditions ...

Flammable insulating fluids and electrical faults pose significant fire and explosion risks to transformers. These hazards can result in catastrophic damage, disrupt business continuity, and cause ...

Electrical substations utilize direct lightning stroke shielding to help ensure proper operation, and to prevent costly damages and extended outages. While modern substation designs and equipment make ...

Protect your devices with effective surge protection and power outage safety tips. Learn practical electronics protection ...

While 80% of surges originate internally from normal operations like motor starts and VFD inverter operation, external causes like lightning and utility switching also demand industrial-grade surge ...