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Most of us have seen or read something about the figure commonly known as the fire triangle (oxygen, heat, and fuel), which is a working model to illustrate and to help one understand the ingredients necessary for most fires. There is another odd triangle that contributes to most electrocutions associated with the swimming pool environment. [...]
Between the 2006 Canadian Electrical Code and the new 2009 edition in Section 68 we have six rule changes, one Appendix B change, and one Table change. The intent of this article is to detail these changes along with rationale for the changes. First is Subrule 68-054 (2), the words “other elevated surfaces associated with [...]
Question: Fiber optic swimming pool light A contractor indicated that a UL Listed fiber optic swimming pool light was not provided with installation instructions. Are these instructions required as part of the Listing?
Abstract Yachts moored in a marina and connected to shore power present a unique electrical safety hazard which may be as lethal as the proverbial “hair dryer in-the-bathtub.” This review will explore the implications of this and what we have learned from investigating many in-the-water electrical accidents, a number of which have involved fatalities. The [...]
The answer to this question is yes and no. That sounds like an answer from an inspector, doesn’t it? Yes, it is just a large container of water, but when you mix electrical equipment, such as pumps, heaters, and lighting with this large container of water, there can be problems. Article 680 addresses “…all swimming, [...]
The development of effective standards and guidelines for the design and construction of safe electrical facilities in water-related recreation, landscaping and commercial areas is an evolving discipline that is gaining in importance as these types of facilities become more popular. While the general class of facilities addressed here has existed for many years, there has [...]
In the nearly 30 years that I have been dealing with the National Electrical Code, it never ceases to amaze me how many new applications we as code officials encounter that require us to apply the Code to installations not directly mentioned in the Code. Many times we look at installations during inspections or plan [...]
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. Often the dwelling occupant or homeowner has installed the spa or hot tub. This combination of the well-meaning homeowner and the spa or hot tub [...]
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 users. The luminaire may physically fit into the forming shell, but the combination may not meet the applicable safety requirements. Manufacturers of [...]
Hidden beneath the glamour and excitement of an aquatics complex is a detailed and essential safety system. This frequently misunderstood network is the swimming pool bonding grid. Article 680 of NEC 2002 covers this system and was revised in this latest edition. Several sections changed paragraph numbers and other information was reformatted to provide clearer [...]