NEC Requirements for Residential Wiring

The purpose of an intersystem bonding termination is to provide a means for connecting _________ to the grounding electrode system.

• Bonding conductors for communication systems

• The service equipment

• All panelboards in the dwelling

• Equipment grounding conductors

The point of attachment to the overhead service conductors to a residence is required to be at least ________ above grade, where the voltage is 120/240, single-phase.

• 8 feet

• 10 feet

• 12 feet

• 15 feet

All single-phase cord-and-plug connected room air-conditioners located in the bedroom of a dwelling unit, shall be provided with ________.

• A cord not more than 4 feet in length

• A cord with conductors not smaller than #12 AWG

• Factory -installed GFCI protection

• Factory-installed AFCI, HDCI, or LCD protection

When installing an overhead service using a rigid metal conduit (RMC) for a mast for the support of the service-drop conductors, the mast shall be of adequate strength or be ____ to safely withstand the strain imposed by the service-drop.

• At least 2 inches in diameter

• A minimum of 3 inches in diameter

• Supported by braces or guys

• Less than 4 feet in length

When wall-switches are installed in the same room with a spa or hot-tub, the MINIMUM distance from the inside wall of the hot-tub shall be ______.

• 5 feet

• 10 feet

• 15 feet

• 18 feet