NFPA 70 Exam Questions with Complete Solutions

NFPA 70 Exam Questions with Complete Solutions accessible - Answer-easy to approach; obtainable accessible(as applied to wiring method) - Answer-capable of being removed or exposed without damaging the building structure or finish Accessible, Readily (Readily Accessible) - Answer-Capable of being reached quickly for operation, renewal, or inspections without requiring those to whom ready access is requisite to actions such as to use tools, to climb over or remove obstacles, or to resort to portable ladders, and so forth. adjustable speed drive - Answer-Power conversion equipment that provides a means of adjusting the speed of an electric motor. adjustable speed drive system - Answer-A combination of an adjustable speed drive, its associated motor(s), and auxiliary equipment. Ampacity - Answer-The current, in amperes, that a conductor can carry continuously under the conditions of use without exceeding its temperature rating. appliance - Answer-a piece of electrical equipment with a particular purpose in the home approved - Answer-Acceptable to the authority having jurisdiction. Arc-Fault Circuit Interrupter (AFCI) - Answer-A device intended to provide protection from the effects of arc faults by recognizing characteristics unique to arcing and by functioning to de-energize the circuit when an arc fault is detected. Askarel - Answer-A generic term for a group of nonflammable synthetic chlorinated hydrocarbons used as electrical insulating media. Associated Apparatus [as applied to Hazardous (Classified) Locations] - Answer- apparatus in which the circuits are not neccesarily intrinisically safe themselves but affects the energy in the intrinically safe circuits and is relied on to maintain intrisnic safety. Attachment Plug (Plug Cap) (Plug) - Answer-A device that, by insertion in a receptacle, establishes a connection between the conductors of the attached flexible cord and the conductors connected permanently to the receptacle. Authority Having Jurisdiction (AHJ) - Answer-An organization, office, or individual responsible for enforcing the requirements of a code or standard, or for approving equipment, materials, an installation, or a procedure. automatic - Answer-Performing a function without the necessity of human intervention. bathroom - Answer-An area including a basin with one or more of the following: a toilet, a urinal, a tub, a shower, a bidet, or similar plumbing fixtures. Battery System - Answer-Interconnected battery subsystems consisting of one or more storage batteries and battery chargers, and can include inverters, converters, and associated electrical equipment. bonded - Answer-Connected to establish electrical continuity and conductivity. Bonding Conductor or Jumper - Answer-A reliable conductor to ensure the required electrical conductivity between metal parts required to be electrically connected. Bonding Jumper, Equipment - Answer-The connection between two or more portions of the equipment grounding conductor. Bonding Jumper, Main - Answer-The connection between the grounded circuit conductor and the equipment grounding conductor at the service. Bonding Jumper, System - Answer-The connection between the grounded circuit conductor and the supply-side bonding jumper, or the equipment grounding conductor, or both, at a separately derived system. Branch Circuit - Answer-The circuit conductors between the final overcurrent device protecting the circuit and the outlet(s). Branch Circuit, Appliance - Answer-A branch circuit that supplies energy to one or more outlets to which appliances are to be connected and that has no permanently connected luminaires that are not a part of an appliance. Branch Circuit, General-Purpose - Answer-A branch circuit that supplies two or more receptacles or outlets for lighting and appliances. Branch Circuit, Individual - Answer-A branch circuit that supplies only one utilization equipment. branch circuit, multiwire - Answer-A branch circuit that consists of two or more ungrounded conductors that have a voltage between them, and a grounded conductor that has equal voltage between it and each ungrounded conductor of the circuit and that is connected to the neutral or grounded conductor of the system. building - Answer-a structure that has a roof and walls and stands more or less permanently in one place