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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