Code Quiz
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
An equipment grounding conductor shall be installed in a liquidtight flexible metal conduit (LFMC) under what circumstances?
Code Quiz
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
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
With respect to objectionable currents, when are temporary currents not considered to be objectionable currents?
Code Quiz
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
What are the requirements you must follow when grounding information technology equipment, where signal reference structures are installed?
Code Quiz
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
Which one of the following electrical ducts is suitable for an underground installation or embedded in concrete?
Code Quiz
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
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
When installing a messenger-supported wire, which of the following cable types are permitted to be installed?
Code Quiz
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
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
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 _______.
