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Monthly Archives: September 2009

Connecting the Inverter

Connecting the utility-interactive inverter properly is critical to the safe, long-term and reliable operation of the entire system. Proper grounding of the inverter will...

Separation of wiring — facts and fiction

Let’s say, a designer decided to utilize optical fiber cables for control of lighting circuits ortoamalgamate wiringconnecting thefire alarm field devices with wiringsupplyingthecomponentsof a...

Where a Successful Installation Begins and Ends: Understanding NEC rules about wire temperature ratings,...

Most electrical inspectors are aware that confusion about wire temperature ratings and equipment termination temperature requirements will likely result in a rejected installation. Information...

Connecting Premises Wiring to Supply Lines

"What really does the code say about connecting premises wiring to supply lines? Where do I begin?” These are common questions when one is planning...

Electrical Workmanship Standards (NEIS) — A Benchmark of Quality

In 1996 the National Electrical Contractors Association (NECA) ventured into a major effort to develop electrical installation standards for the electrical contracting industry. The...

Part III: Transfer Equipment Applications and Considerations

Transfer equipment installations can be extremely complex, even for optional standby arrangements that are critical to business operation. This is the final installment in...

NEC-2008 State-by-State Adoption Process raises the Bar

The 2008 National Electrical Code (NEC) revision cycle and the adoption process throughout the United States is exceeding expectations and elevating the importance of...

Note from the CEO/Executive Director — City of Dallas, Texas, cuts about 36% of...

In the September/October editorial, I wrote that theDallas Morning Newshad reported that the city of Dallas would not cut code enforcement departments in balancing...

Sprinklers and Electrical Equipment

All electrical practitioners know too well that water and electricity do not mix. Results of such mixture are quite hazardous. This is the reason that...

Analysis of Changes, NEC-2011 Part 1

Can you recall a time when you arrived at a restaurant early and had to wait for your friend or spouse to arrive? Doesn’t...
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