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November/December 2007

Figure 1

Selective Coordination – Responsibilities of the AHJ

[ 0 ] By  |  November 7, 2007  |  IAEI November-December 2007

Selective coordination ensures proper isolation and localization for all possible overcurrents (from overloads to maximum short-circuit currents at the point of application) to the nearest upstream overcurrent protective device and prevents unnecessary loss of power to other loads, especially loads essential for life safety. The Code requires selective coordination for all supply-side overcurrent protective devices [...]

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What the Industry Thinks of Inspectors

[ 0 ] By  |  November 7, 2007  |  IAEI November-December 2007

Every prominent official of one of the electrical inspectors’ associations has frankly asked this question, What does the electrical industry think of the electrical inspector? I am going to answer in the same frank spirit and set down plainly what I find to be the feeling among electrical men. In a word, the electrical industry [...]

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What’s Best for Our Members?

[ 0 ] By  |  November 7, 2007  |  IAEI November-December 2007

Sometime ago I was asked, “What guides you in making decisions at the board level?” “Before I enter any discussions, I ask myself, What’s best for our members?” I answered. It’s easy to forget and lose sight of the fact that we are a member association and while we face many challenges as a not-for-profit [...]

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Medium Voltage Seminar

[ 0 ] By  |  November 7, 2007  |  IAEI November-December 2007

The Southern Nevada Chapter of IAEI sponsored a Medium Voltage seminar on August 25, 2007. It was held at the Clark County Development Services Center and  instruction was provided by Mike Johnston (IAEI) and Chuck Mello (UL). Mike and Chuck developed the course on behalf of the IAEI at the request of Rick Maddox, international [...]

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Coalition to Promote Role of Code Enforcers

[ 0 ] By  |  November 7, 2007  |  

A national coalition will undertake the goal to educate the public, industry and elected officials about the critical role code officials play in improving the level of safety in the built environment. The Raise the Profile Coalition, committed to creating awareness about the important role code officials play in  making everyday life safer, is made [...]

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Figure 1. NEC 2008

At Risk Below the Minimum

[ 0 ] By  |  November 7, 2007  |  IAEI November-December 2007

The NEC contains the minimum requirements for electrical installations to ensure they are essentially free from hazards. Compliance with the NEC rules means meeting minimum safety requirements established by qualified technical committees that respond to compelling reasons (substantiation) that result in the minimum requirements. So why would any jurisdiction delete requirements that are already minimum [...]

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The US Electrical Safety System

Electrical Safety: Why Inspections Matter

[ 0 ] By  |  November 7, 2007  |  IAEI November-December 2007

Businesses are under more pressure than ever to improve bottom-line performance. But it’s a misconception to think that removing the cost of electrical compliance will create “real” savings. The short-term cost benefits will be quickly outweighed when the lack of compliance creates a tragedy. To protect the health and safety of workers along with the [...]

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Photos 1 and 1A. Required placards may indicate attention to details

Why Inspect PV Systems?

[ 0 ] By  |  November 7, 2007  |  IAEI November-December 2007

Photovoltaic power systems are a rapidly growing (30+ percent/year) segment of the residential and commercial electrical systems market. These systems operate up to 600 volts and, in the larger commercial systems, the dc and ac currents can range up to 1000 amps. These levels of voltage and current, if not properly managed, pose both shock [...]

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Understanding Circuit Rating and Circuit Loading

[ 0 ] By  |  November 7, 2007  |  IAEI November-December 2007

It is very reassuring for a feature columnist to know that his articles are actually read and discussed by the readers. I was pleased to get comments from the Canadian readers of the IAEI News on my column published in the July/August issue (page 38). That column described a comprehensive process developed by the CSA [...]

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Reasons Behind the Rules

[ 0 ] By  |  November 7, 2007  |  IAEI November-December 2007

A great deal of wisdom and experience go into writing the rules of the Canadian Electrical Code; however, the reasons may not always be clear to its users and sometimes we’re not completely satisfied to follow the rules without understanding the reasons behind them. This article reviews several rules from Section 10, Grounding and Bonding, [...]

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