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Monday, June 26, 2017

Monthly Archives: January 2006

Back to the Grid, Designing PV Systems for Code Compliance

In the September/October 2005 issue of IAEI News, the "Perspectives on PV” article discussed making the utility connection for utility-interactive PV systems. In some...

Effect of Rooftop Exposure on Ambient Temperatures Inside Conduits

New requirements for ampacity correction factors for conductors installed in conduits on rooftops were introduced in the 2008NECat Section 310.15(B)(2)(c). This new requirement for...

Aluminum Building Wire Installation and Terminations

History of Aluminum Wire Photo 1. Aluminum wiring incorrectly installed on copper-only receptacle Electricity is transmitted from the utility generating station to individual meters using almost...

The Inspector’s Approval

In some previous issues of IAEI News, articles about some of the many "hot spots” in the electrical inspection process were identified and detailed....

Conduit Bodies and Their Use in Accordance With the NEC

One of the most versatile components of an electrical raceway system is the conduit body. The National Electrical Code defines a conduit body as...

Ideas! Ideas! Ideas!

All of us have ideas. Have you ever wondered how a new product idea is first conceived—is nurtured in somebody’s mind—and is refined into...

Basic Electricity – Part 10

In part nine of this series, I discussed the development of the phasor diagram, a graphical representation of voltage or current magnitude in ac...

Rule 36-110, High Voltage Clearances

Both the Canadian Electrical Code (CE Code) Part I and Part III provide requirements for minimum horizontal clearances between high voltage lines and buildings,...

Do these conductors have to be routed in the same cable or raceway or...

Question: Smoke alarms Many hard-wired smoke alarms illustrate the interconnection of smoke alarms in their installation instructions depicting 3 wires, hot, neutral and the signal...

How Will Oil Prices Affect Your Investment Plans

Even before Hurricane Katrina caused its almost incomprehensible damage to the Gulf Coast, most of us shuddered when we had to fill our cars’...
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