Code Quiz 

Feb 2, 2012, By Steven Owen

When installing audio distribution cables exposed on the surface of ceilings and sidewalls, the cables shall be supported by which of the following products?

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Code Quiz 

Jan 19, 2012, By Steven Owen

Where flexible metal conduit (FMC) is installed, and where flexibility is not required after installation, an equipment grounding conductor is required or is not required to be installed in a flexible metal conduit?...

Code Quiz 

Jan 5, 2012, By Steven Owen

An equipment grounding conductor shall be installed in a liquidtight flexible metal conduit (LFMC) under what circumstances?...

Code Quiz 

Dec 8, 2011, By Steven Owen

In accordance with Art. 800, when installing communications wires and cables in a raceway, what is the maximum percent fill permitted in EMT?...

Code Quiz 

Dec 1, 2011, By Steven Owen

In accordance with Art. 800, optical fiber and communications cables shall be permitted to be installed in the same raceway, cable tray, enclosure, or cable routing assembly with all but which one of the options listed below?...

Code Quiz 

Nov 17, 2011, By Steven Owen

With respect to objectionable currents, when are temporary currents not considered to be objectionable currents?

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Code Quiz 

Nov 3, 2011, By Steven Owen

When calculating the ampacity of a common neutral conductor installed as part of a circuit for an outside feeder or branch circuit, the ampacity of the common neutral conductor shall comply with which of the following?...

Code Quiz 

Oct 20, 2011, By Steven Owen

What are the requirements you must follow when grounding information technology equipment, where signal reference structures are installed?...

Code Quiz 

Oct 6, 2011, By Steven Owen

When interconnecting cables for separate information technology equipment units, using listed cables and cable assemblies, what is the maximum length permitted for the interconnecting cables?...

Code Quiz 

Sep 22, 2011, By Steven Owen

Which one of the following electrical ducts is suitable for an underground installation or embedded in concrete?...

Code Quiz 

Sep 8, 2011, By Steven Owen

When is a conduit body, such as a capped elbow or a service-entrance elbow that has sufficient size to provide free space for all conductors enclosed in it, not permitted to contain a splice, tap or device?...

Code Quiz 

Aug 18, 2011, By Steven Owen

With respect to the requirements of facilities that may house children for educational, supervisory, or personal care services, a child care facility, by definition, must have more than _____ children that are _____ years old or less.

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Code Quiz 

Aug 4, 2011, By Steven Owen

When installing a messenger-supported wire, which of the following cable types are permitted to be installed?...

Code Quiz 

Jul 21, 2011, By Steven Owen

As addressed in the 2011 edition of the NEC, what is the proper size conduit required to support a conduit body with a single entrance that is 1-in. trade size?...

Code Quiz 

Jul 7, 2011, By Steven Owen

As addressed in the 2011 edition of the NEC, a 2-ft by 2-ft or 4-ft by 4-ft lay-in type fluorescent luminaire installed in a suspended ceiling shall be supported by which of the following means?...

Code Quiz 

Jun 16, 2011, By Steven Owen

When bonding metal parts and equipment of electric sign or outline lighting systems, when is it permissible to omit the bonding connection to an equipment grounding conductor?...

Code Quiz 

Jun 2, 2011, By Steven Owen

When installing the required branch circuit for an electric sign or outline lighting in a commercial building — including each occupancy, which has access to pedestrians — at least one outlet shall be supplied by a branch circuit that has a minimum rating of _______. ...

Code Quiz 

May 19, 2011, By Steven Owen

When installing feed-through conductors in switch and overcurrent device enclosures, what new requirement was added in the 2011 edition of the NEC?...

Code Quiz 

May 5, 2011, By Steven Owen

What are the conditions that would allow the use of short radius conduit bodies such as capped elbows and service-entrance elbows, per 314.16?...

Code Quiz 

Apr 21, 2011, By Steven Owen

When is a conductor with green insulation, or green with one or more yellow stripe insulation permitted to be used as for other than grounding purposes?

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Code Quiz 

Apr 7, 2011, By Steven Owen

What is the minimum size grounded conductor required for the following installation?...

Code Quiz 

Mar 17, 2011, By Steven Owen

Per 250.190(C), when installing 5kV-rated, metallic insulation shielded, current-carrying conductors, is it permitted to use the metallic tape insulation shield and drain wire as an equipment grounding conductor for a solidly grounded system?
Note: The metallic insulation shield encircles the conductor.

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