Design: Is it Part of the National Electrical Code?

Section 90-1(c) is often cited in arguments against submitted Code proposals. In many instances, it is the only defense against proposals, even though the...

Origins of Neon Light

The first modern neon sign debuted in 1910 at the Grand Palais in Paris. It was created by a Frenchman named George Claude, who...

ANSI: What Is It and What Does It Do?

The American National Standards Institute (ANSI) — Most in the electrical industry have heard of it, but do you really know what it does?...

Receptacle Testing in Patient Care Areas

Introduction The National Electrical Code (NEC), sometimes referred to as NFPA 70, is the preeminent code covering electrical installations in the United States and in...

1+1 = Independent Grounding for Patient Areas of Health Care Facilities

The purpose of the grounding portions of Article 517 of the National Electrical Code (NEC) is to reduce low voltage potential differences between electrically...

What is the IEC?

As the electrical industry continues to grow and expand into a global economy, it is imperative that electrical safety not be compromised by the...

AFCIS: Emerging Technology Solutions for Fires Resulting from Electrical Arcing

Code Making Panel 2 recognized the need for arc-fault circuit-interrupter (AFCI) protection when it accepted proposals and accompanying substantiation for the 1999 National Electric...

Overcurrent Protection for Air-Conditioning and Refrigeration Equipment

Overcurrent protection for electrical equipment can be accomplished by several different methods. The general rules for overcurrent protection of conductors and equipment are found...

Lab Data

According to the U.S. Consumer Product Safety Commission (CPSC), residential electrical equipment is involved in approximately 150,000 fires each year in the United States,...

Arc-Fault Circuit Interrupters

Abstract The objective of this paper is to increase inspector-awareness of arc-fault circuit interrupters. The significance of AFCIs is discussed in the introduction, and this...