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Monthly Archives: July 2000

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,...

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...

Arc Detection with the AFCI

The arc-fault circuit interrupter (AFCI) is emerging as a new device in the National Electrical Code and in residential installations to enhance electrical safety....

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...

Proposed Changes for the 2002 NEC

Over 4700 proposals were submitted to the National Fire Protection Association to amend the 1999 National Electrical Code. The 20 NEC Code-Making Panels met...

Just Don’t Bump Your Head On It

When we talk about mini- mum ground clearances of span conductors, we have to know the sag of the conductor because the minimum height...

Delta-Wye Conversions

What should happen when the electrical utility or a utility customer decides to convert the ungrounded 600 volt, 3-wire supply to a 600/347 volt,...

The IAEI and the Electrical Inspector

Some members have voiced interest in expanding the scope of associate members of the IAEI in order to give those members a greater role...

Five New Categories for AFCI Devices Under UL 1699

Question: AFCIs Recently, UL indicated that a new Standard for Arc-Fault Circuit Interrupters, UL 1699, had been published. How will UL 1699 affect new products...

Proposed Changes for the 2002 NEC, Part 2

This is the second part of a summary of proposed changes for the 2002 National Electrical Code® acted on by NEC Code Making Panels...
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