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Mismatching Wet-niche Swimming Pool Luminaires with Forming Shells Can Be a Shocking Combination by Steven Holmes Installing an incompatible wet-niche swimming pool luminaire (lighting fixture) into the forming shell in the wall of a swimming pool or spa can increase the risk of electric shock or injury to the user. Installations and Inspections of Spas and Hot Tubs at Dwellings  by Keith Lofland One of the most popular inspections in recent years to appear on the local municipal inspector's daily list is the inspection of spas or hot tubs in the residential setting. The Truth About AFCIs (Part 3)   by George Gregory and Alan Manche  Part III responds to comments and inquiries from readers of the earlier parts and interest in what is coming in the next National Electrical Code (NEC) cycle.

Proposed Code Changes for the 2005 NEC, Part I by Michael J. Johnston This part one of a two-part series provides a brief summary of the proposed changes and includes the proposal number, the section, and a short description of how each of these sections was reviewed as a result of panel actions.  A Personal View of NEC Code-making Panel 2 by Tom Harman Tom Harman describes some of his experiences of the NEC code-making panel as well as some of the important code rules that have been introduced into the NEC by CMP-2 over the years. Not All Connections Are Created Equal—A Focus on Crimping by Andrew DeIonno From manufacturing, to installation, to field repair there is a large opportunity for crimps to be made incorrectly. By taking a little more time and familiarizing yourself with the requirements for the crimp (via the installation instructions), you could be preventing a serious equipment fault (or failure) from occurring. The Path Back Home—Neon Midpoint Secondary Return Circuits by Michael J. Johnston The amount of current flowing in any particular path is directly related to the amount of impedance or opposition in that path. Take a look at high voltage neon secondary  circuits and what is required for functionality and safety relative to the circuit path.  Sizing Conductors for All Load Conditions by Frederic P. Hartwell One of our primary responsibilities in the electrical trade is to select electrical conductors, and one of the primary responsibilities of electrical inspectors is to judge those selection decisions properly.

Editorial: Summer Time and The Living is Easy!  by James Carpenter, CEO/Executive Director Yes, hot weather is here and one’s thoughts turn to cooling off in the swimming pool. Now we have to make sure the pool water is clear and pure. How much chemical is necessary? How to keep leaves and other matter out of the water is another concern. Getting the pool in shape is almost as important as getting one’s self in shape. After all, we must look good in that new bathing suit. One thing we don’t want to worry about is the electrical system. We don’t expect to feel tingle shocks when we are in or around the pool. We want the pump to run and the lights to work even if they have not been used since last summer. Well, just like the car or any thing else, there are some things that need to be checked along with the water quality. Canadian Code: Electrical Hazards Within Reach  by Leslie Stoch The Canadian Electrical Code offers several ways to protect us from electrical shock hazards when electrical equipment may be within reach, in a wet or damp area, or near grounded metal.  Other Code: Safety Sign Placement on Large Substations  by David C. Young, PE The National Electrical Safety Code (NESC) in Rule 110A1 describes the type of enclosure necessary to surround an electric supply substation. "Rooms and spaces in which electric supply conductors or equipment are installed shall be so arranged with fences, screens, partitions, or walls to form an enclosure as to limit the likelihood of entrance by unauthorized persons or interference by them with equipment inside."  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.

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