Code Quiz 

May 24, 2012, By Steven Owen, National Code Seminars

In a Class I Division 2 location, when is it permissible to omit the normally required bonding jumper (of the wire type in compliance with 250.102) for liquidtight flexible metal conduit?...

Code Quiz 

May 10, 2012, By Steven Owen, National Code Seminars

When installing a shielded cable or a twisted pair cable in a Class I, Division 1 location where a cable seal is required, when is it not required to remove the shielding material or separate the twisted pairs of those type cables?...

Code Quiz 

Apr 19, 2012, By Steven Owen, National Code Seminars

Thermal insulation shall not be installed above a recessed luminaire or with 3 inches of the recessed luminaires' enclosure, wiring compartment, ballast, transformer, LED driver, or power supply, unless the luminaire is identified as ______ ?...

Code Quiz 

Apr 5, 2012, By Steven Owen, National Code Seminars

Which of the following ballasts are required to have thermal protection?...

Code Quiz 

Mar 22, 2012, By Steven Owen, National Code Seminars

In general, without exception, the main disconnecting means for an electrically driven or controlled irrigation machine shall meet which of the following requirements?...

Code Quiz 

Mar 8, 2012, By Steven Owen, National Code Seminars

Where more than three current-carrying conductors are installed within a raceway for electrically driven or controlled irrigation machines, the signal and control conductors of the raceway or cable shall ________....

Code Quiz 

Feb 16, 2012, By Steven Owen

When installing loudspeakers in fire resistant-rated partitions, walls, and ceilings, the loudspeakers shall be ________....

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?

...

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?

...

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.

...

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?...