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Saturday, April 29, 2017

Monthly Archives: May 2007

Disconnect, Disconnect, Where For Art Thou?

The requirements and necessity for, and the location of disconnects in a photovoltaic (PV) power system are always of great interest. While PV equipment...

Overcurrent Protection, Part 2

Part I, which appeared in the March/April issue, provided readers with information about basic operation and basic time-current characteristics of branch-circuit, low-voltage fuses and...

Electrical Safety: A Changing Environment

What does the term electrical safety really mean? Stop reading for a moment and think about what electrical safety means to you. The hazards...

Connecting with Aluminum

When deciding what type of connector material works best in an electrical application, specifiers and inspectors alike may instinctively assume copper is the best...

Case Study: A Fragile Environment in a Rugged Climate

Behind the scenes, a lot of mechanical engineering goes into creating and maintaining a tropical rainforest near Lake Erie, just 40 miles from the...

When Disconnects Are Not Enough

May is electrical safety month, during which the electrical industry draws attention to all aspects of electrical safety for persons and property. Section 90.1(A)...

Utility Deregulation, What Does it Mean to Inspectors?

Deregulation of electric utilities is sweeping the country and is now available almost everywhere. The theory is that competition in the purchase of electric...

The Texas Margin Tax: There’s a New Tariff in Town

For two and half years in IAEI News, Jesse Abercrombie has been addressing financial issues of concern to those in the electrical industry. For...

What are you paying for electricity? Part 2, Residential Electric Rates

To protect your and your company’s wallets, it is very important to understand the rates for which you are being charged for electricity. To...

Allowable Ampacities – Conductors in Cable Trays

In my experience, a discussion of conductor numbers and ampacities in cable trays is frequently met with a snicker or knowing smile. Could it...
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