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May/June 2003

Figure 1. One major characteristic surrounding arcing faults is progression of the fault to other energized parts of the system caused by the buildup of ionized matter in the arc

Arc-Flash Hazards

[ 0 ] By  |  May 29, 2003  |  IAEI May-June 2003

Electrical hazards, such as arc flash, can be extremely damaging to equipment and, more importantly, to people. An alarming number of electrically related accidents occur each year, often resulting in serious third degree burns or death. Luckily there have been recent significant advances in the electrical industry surrounding electrical hazards, particularly arc flash. The following [...]

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Figure 1. By device boxes, this magazine article is referring to the rectangular steel boxes denominated as such in Table 314.16(A) and their nonmetallic counterparts, as shown

Using Device Boxes in Ceilings

[ 0 ] By  |  May 29, 2003  |  IAEI May-June 2003

If you install a device box in a ceiling, can you mount anything to it other than a blank faceplate? The National Electrical Manufacturers Association (NEMA) for the 2005 NEC is attempting to clarify that you can mount a “device, smoke detector, carbon monoxide detector, or similar product” to a device box in a ceiling, [...]

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Photo 11

Electrical Inspector Workplace Safety

[ 0 ] By  |  May 29, 2003  |  IAEI May-June 2003

It seems that many people do not take electricity and the associated hazards seriously enough. As the use of this great power has expanded into everyone’s daily life, electrical safety in the home and workplace is expected and taken for granted. People have come to expect electricity to work without interruption and have taken comfort [...]

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Electrical Safety, A Continuous Objective

[ 0 ] By  |  May 29, 2003  |  IAEI May-June 2003

May is National Electrical Safety Month, the time when we stress electrical safety to the public; but electrical safety is a continuous objective to those of us in the industry. That silent, unseen force works miraculously every time we turn on the TV, electrical range, or the light switch; and it is usually there waiting [...]

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Photos 1. Explosive dust

Electrical Safety of Equipment in the Workplace: What 70-E Doesn’t Say…

[ 0 ] By  |  May 29, 2003  |  IAEI May-June 2003

There are many elements to electrical safety in the workplace. The entire process for each company is ultimately the responsibility of several key people or groups of people who will be involved at different times. First, there is the owner who needs certain things to happen, in an organized manner, including everything that will need [...]

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Product Listing – A Key to Increased Inspection Efficiency

[ 0 ] By  |  May 29, 2003  |  IAEI May-June 2003

The National Electrical Code’s Section 90.7, Examination of Equipment for Safety, is possibly one of the greatest timesaving tools electrical inspectors have at their disposal. The intent of NEC 90.7 is to relieve inspectors of the burden of performing field inspections on factory-installed internal wiring or equipment construction at the time it’s installed. Section 90.7 [...]

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Inspection of Lines and Equipment

Inspection of Lines and Equipment

[ 0 ] By  |  May 29, 2003  |  IAEI May-June 2003

To insure that electric supply facilities comply with the rules of the National Electrical Safety Code (NESC), Rule 214A 2 states, “Lines and equipment shall be inspected at such intervals as experience has shown to be necessary.” What does this mean? How frequent is “…intervals as experience has shown to be necessary”? To understand this [...]

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Figure 1. Typical listing mark for an electric sign (self contained)

Electric Sign Inspections: Listed Signs and Listed Section Signs

[ 0 ] By  |  May 29, 2003  |  IAEI May-June 2003

The National Electrical Code (NEC) is a minimum electrical safety standard; its primary purpose is directed at protection of persons and property from electrical hazards. Hazards of electrical shock, electrocution, and fires are some of the more serious consequences of noncompliance with minimum rules for safety. The NEC is the most widely adopted code in [...]

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The Electrical Code in New York State

[ 0 ] By  |  May 29, 2003  |  IAEI May-June 2003

The information in this article is applicable to New York State but does not apply to New York City, which has its own building code. A New Old Electrical Code for New York In New York State, the promulgation and maintenance of the New York State Uniform Fire Prevention and Building Code is the responsibility [...]

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Near Misses Are Too Risky

[ 0 ] By  |  May 29, 2003  |  IAEI May-June 2003

During your career as an electrical inspector, have you ever received a shock while inspecting? Have you ever accidentally faulted a circuit between phases or to ground? Have you ever tripped over something on the floor in a construction site because your attention was focused elsewhere? Most inspectors who have been “in the business” for [...]

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