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IAEI News>Issue Listing>July/August 1999
July/August 1999
 
Theme: Air Conditioning and Heat Pumps


 
Air Conditioning and Heat Pump Equipment
by J. Philip Simmons

Excerpted from the revised 4th edition of One- and Two-Family Electrical Systems, this article looks at the 1999 Code changes that affect air conditioning and heat pump equipment.

 
Fire Investigation Involving Electrical Heating Cable
by Daniel B. Langlois

Originating at the front area of a log home directly above the front port at the roof level, the fire traveled upwards along the frame of the roof line resulting in significant fire damage.

Grounding of On-Site Electrical Power Systems
by Rene Castenschiold and Gordon S. Johnson

This article applies to low-voltage power systems rated 600 volts and less, and explains types of grounding, fault protection, code requirements, and appropriate solutions. The interrelationship of ground, ground-fault sensing and transfer switching is discussed.

Editorial: Does the IAEI Endorse Electrical Products
by Philip H. Cox, CEO/Executive Director

A question has been asked as tow hat the IAEI policy is on endorsing or promoting electrical products. It is a fair question. This inquiry was made because of an advertisement by a manufacturer of a product used in the electrical industry.

Canadian Code: Electrical Utilities and Contractors-Mutual and Separate Electrical Code Responsibilities   (pdf)
by Leslie Stoch

When we see the term "electrical contractor" in the Canadian Electrical Code, it refers to any person or organization doing electrical work such as an electrical installation or construction, even when others might be doing the actual work.

Other Code: How Long Is That Wire?  (pdf)
by David C. Young, PE

Electrical inspectors involved with aenal high voltage facilities frequently have to determine whether electrical conductors are in compliance with the National Electrical Safety Code (NESC).

UL Question Corner  (pdf)
by Underwriters Laboratories

The “UL Question Corner” answers questions of general interest that are sent in from authorized government inspectors and we believe will have interest for many inspectors.

Closer Look: Charter Steel  (pdf)
by Tom Garvey

Going to the global marketplace is often a necessity, not a choice, for North American manufacturers. But purchasing industrial machinery abroad has some built-in pitfalls.

Closer Look: Changes in Articles 310 Conductors for General Wiring for the 1999 NEC  (pdf)
by O.P. Post

In this article I will explain the major changes to Article 310.

 

 

 

 
 

 

 

 

 

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