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Monthly Archives: January 2012

Questions from Inspectors — Inquiring Minds Need to Know

The following questions and answers result from some of the more common situations that many inspectors face throughout their working day when seeing a...

On being true to who we are

Whoever would think of Shakespeare and electrical inspections together? Throughout the preparation of this issue, my thoughts kept returning to the Bard’s definition of...

Department of Energy Awards $2.5 million to Reduce Costs for Solar PV Installations

While real energy savings are being generated by solar photovoltaics markets in the U.S. and many American homeowners are excited about reducing their electrical...

Have any electric vehicle (EV) level 3 DC fast chargers been UL certified (Listed)?

Question Have any electric vehicle (EV) level 3 DC fast chargers been UL certified (Listed)? Answer Yes. A few manufacturers have had their electric vehicle DC fast...

Are flat cord extension cords equivalent to hard usage or extra hard usage cord?

Question I have seen flat cord extension cords used in convention centers that are certified (Listed) convention cord sets, yet they are not constructed with...

Question: Where branch-circuit conductors pass through a panelboard and do not originate or terminate...

Question Where branch-circuit conductors pass through a panelboard and do not originate or terminate in that panelboard, is there any requirement for identifying where the...

Question: When installing a supply-side bonding jumper, what are the requirements for installing such...

Question When installing a supply-side bonding jumper, what are the requirements for installing such a conductor both inside and outside a raceway?What type of conductive...

Electrical Interlocks with a Building Fire Alarm System — Are we consistent on this...

Design and installation of electrical equipment is a reasonably well understood and adjusted procedure. It is done in accordance with the safety requirements of...

Silos of Safety — Are We Living in the Box?

Living in a silo can limit your success and the success of safety in our industry — the activity of breaking down silos and...

Neutral Grounding Devices

Neutral grounding devices (resistors) are used to control the ground-fault currents and voltages to ground of alternating current systems. Earlier versions of the Canadian...
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