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Monthly Archives: March 2011

What Hath the 2011 NEC Wrought for PV?

The 2011 National Electrical Code (NEC) has been published by the National Fire Protection Association (NFPA) and is now available from numerous sources. It...

Are there certified AFCIs that can be installed into another manufacturer’s panelboard?

Question Does UL certify combination AFCI circuit breakers that are intended for use in another manufacturer’s panelboard? If so, how can one identify these products...

Can I install a general use ordinary location ICP to control a circuit that...

Question Can I install a general use ordinary location Listed industrial control panel (ICP) to control a circuit that extends into a hazardous classified location?...

IAEI Values Student Participation

"It is important for students in the electrical industry to have access to some of the most knowledgeable individuals of the electrical code in...

New 2011 NEC Requirement Regarding Noninstantaneous Trip Circuit Breakers

There are several requirements in theNational Electrical Code® (NEC®) that call for the total selective coordination of various systems. However, this can result in...

Be Prepared for Early and Possibly Unwanted Retirement

Given the economic climate we’re in, you may one day be faced with a downsizing or otherwise be forced to retire earlier than you...

Wet locations and isolated systems in health care facilities

Let’s say, you are undertaking design and installation or inspection of such electrical installation in patient care areas of a health care facility. Do...

New editing and revision process will give IEEE Color Books more flexibility

Inspectors, contractors and electrical engineers have used IEEE Color Books for decades to find practical solutions to questions on the design, installation, maintenance, and...

Motor Control Circuits

This article reviews two very essential safety requirements of the Canadian Electrical Code for motor control circuits, grounding and why it’s so significant that...

Safety Program or Fly by the Seat of Your Pants, You Decide

Flying by the seat of your pants when it comes to safety is not a good idea. A good safety plan can add value...
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