NEC NFPA 70 Exam Questions and Answers

NEC NFPA 70 Exam Questions and Answers arc-fault circuit interruptor (AFCI) -Answer-A(n) ____ is a device intended to provide protection from the effects of arc faults by recognizing characteristics unique to arcing fitting -Answer-A(n) ____ is an accessory, such as a locknut or bushing, whose function is primarily mechanical, rather than electrical, in nature. the same panelboard or similar distribution equipment -Answer-All conductors of a multiwire branch circuit must originate from ____. AHJ -Answer-An ____ is the organization, office, or individual responsible for enforcing the requirements of a code. connecting appliance(s) -Answer-An appliance branch circuit supplies energy to one or more outlets for the purpose of ____. connected to ground or to a conductive body that extends the ground connection -Answer- Grounded (grounding) is defined as being ____. located adjacent to the equipment where access is achieved by the use of portable means - Answer-Overcurrent devices do not have to be readily accessible if ____. conducting -Answer-A grounding electrode is a(n) ____ object that establishes a direct connection to earth continuous -Answer-A load having the maximum level of current sustained for three hours or more is referred to as a ____ load. neutral point of a system -Answer-A neutral conductor is defined as the conductor connected to the ____ that is intended to carry current under normal conditions. 50 -Answer-A luminaire that weighs more than ____ pounds shall be supported independently of the outlet box, unless the outlet box is listed and marked for the maximum weight to be supported. 8 -Answer-Nonmetallic-sheathed cable not fastened to the box must be secured within ____ in. of the box. size and number of raceways -Answer-Box calculations for 4 AWG and larger conductors (under 600 volts) are performed based on the ____. Splices, taps, or devices -Answer-___ are permitted inside conduit bodies, if the manufacturer durably and legibly marked the cubic inch capacity on the conduit body.