Should I replace my circuit breakers? Commented on: 1 week ago (March 16, 2017)

Your brother is correct. Most electrical equipment has a life expectancy of 20, maybe 30 years. Your Bryant load center is 50 years old. Circuit breakers have springs, bimetallic alloys, and...

Electricity Generation Commented on: 3 weeks ago (March 7, 2017)

According to a photo gallery, "Keeping Up with Renewable Energy: 5 Big Things You Might Have Missed," I read here on EC&M just today wind has overtaken solar: "#3: Wind tops nation in...

My contractor not qualified regarding GFCI? Commented on: 3 weeks ago (March 2, 2017)

I agree with Dittmar, have the Home Builder honor the warranty and send a different electrical contractor to fix the problem. Especially as the previous electrician created a couple of Code...

Mounting EMT and Boxes to Metal Siding Commented on: 3 weeks ago (March 2, 2017)

You did not mention interior or exterior. If exterior, then the fittings require listing for wet locations in accordance with Sec. 314.15. Exterior (i.e., wet locations) will also require...

Conduit for Coaxial Cable Commented on: 3 weeks ago (March 2, 2017)

If not required by the NEC, then not necessary to install.

But, if you install, then I suspect the inspector will require it to comply with the requirements of the applicable Article for...

112kVA Transformer to Two 200A Panels Commented on: 7 weeks ago (February 8, 2017)

All three of your suggestions are acceptable design options.

But I have to ask. Is there a reason for two separate panelboards with the same voltage and bus rating? If not, then I would...

Line Loss Pro - anybody heard of it? Commented on: 7 weeks ago (February 7, 2017)

Manufacturer's technical data states: "The device was tested and certified by Metlabs in October 2008, under UL 916 standards and guidelines for safety. Certification included CSA C22.2 testing...

GFCI for Wet Location Commented on: 11 weeks ago (January 10, 2017)

I'm with Mr. Doody on this. Site unseen, I suspect your electrical systems (i.e., receptacles, lighting, feeders, panelboards, low-voltage equipment) are not installed in raceways and enclosures...

Attic Lighting + Timer Switch Commented on: 11 weeks ago (January 10, 2017)

Ahh... let's define expensive and safe.

A lamp base with a pull chain is most likely your least expensive option for controlling the light. That assumes the light is installed at the point...

NEC Class 2 Power Source Commented on: 11 weeks ago (January 10, 2017)

I get the impression you are thinking of the issue backwards.

The NEC does not necessarily prescribe where a Class 2 Power Supply is required to be used. The NEC, in Art. 725, informs you...

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