Sizing Generators Commented on: 10 weeks ago (May 17, 2016)

You did not indicate the project's location but made mention of your English language capabilities, so I will preface by saying that the following applies to hospitals in the United States.

...
Oxide Inhibiting Compound for Aluminum Connections Commented on: 10 weeks ago (May 17, 2016)

I recently spent the better part of a day trying to find an open connection in a home's branch circuit. Apparently, the branch circuit fed the bedrooms with aluminum wire when constructed in the...

Bonding and Grounding CSST Commented on: 10 weeks ago (May 17, 2016)

You indicated the propane tank is buried. Is it steel? Is it direct buried? Is any part of the gas piping system above ground?

If the tank is steel and direct buried and the piping is...

Residential Recessed Panel Commented on: 1 year ago (November 20, 2014)

Not sure what you are asking. The requirements for securing cables can be found in Section xxx.30 of each of the cable Articles (for example, 330.30 for Type MC cable). As far as I know, the...

Looking for Help on Webinar Talking Points Commented on: 1 year ago (September 7, 2014)

I spent a few years working for audiovisual contractors / system integrators and attended engineerbill's grounding seminar at InfoComm in 2007. Bill knows grounding, especially regarding...

Motor Terminal Temperature Ratings Commented on: 2 years ago (June 10, 2014)

dpiper:

I assume your reference is from the 2014 NEC. In the 2011 NEC it is actually 110.14(C)(1)(a)(4). Would the ...(1)(a)... also be the case in the 2014 edition?

BTW: I reference...

HFT conduit design service life Commented on: 2 years ago (May 22, 2014)

I found the following information at a website called Clipsal by Schneider Electric:
"HFT stands for the three most important properties of this range of conduits H (halogen free), F (fire...

Arc-Flash Commented on: 2 years ago (May 15, 2014)

RBarnett:
It's my understanding the manufacturers perform testing to determine the trip curves for their overcurrent protective devices. So I have no problem using those "numbers" to...

Worker Dies at Oil Sands Development After Earning Electrician License Commented on: 2 years ago (April 28, 2014)

In the case of Shane Daye it is too soon to be making judgements about what happened. An investigation with more information about what happened would be required before commenting.

But in...

RECEPTACLE FAILURE Commented on: 2 years ago (April 16, 2014)

Just my observations:

1. Based on the device being tamper resistant (TR on front) it is only a few years old. Therefore, I would not expect to see failure due to insertion/extraction of...

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