NFPA 70E Correct Questions & Answers(GRADED A+)

Accessible (as applied to equipment) - ANSWER Admitting close approach; not guarded by locked doors, elevation, or other effective means. Accessible (as applied to wiring methods) - ANSWER Capable of being removed or exposed without damaging the building structure or finish or not permanently closed in by the structure or finish of the building. 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 take actions such as to use tools (other than keys), to climb over or under, to remove obstacles, or to resort to portable ladders, and so forth. Arc Flash Hazard - ANSWER A source of possible injury or damage to health associated with the release of energy caused by an electric arc. What elements increase the likelihood of an arc flash incident? - ANSWER When energized electrical conductors or circuit parts are exposed or when they are within equipment in a guarded or enclosed condition, provided a person is interacting with the equipment in such a manner that could cause an electric arc. Arc Flash Suit - ANSWER A complete arc-rated clothing and equipment system that covers the entire body, except for the hands and feet. Arc Rating - ANSWER The value attributed to materials that describes their performance to exposure to an electrical arc discharge. This is expressed in cal/cm2 and is derived from the determined value of the arc thermal performance value or energy of breakopen threshold. How is arc rating reported? - ANSWER ATPV (arc thermal performance value) or Ebt (energy of breakopen threshold), whichever is the lower value. Attachment Plug (Plug Cap) - 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. Balaclava (Sock Hood). - ANSWER An arc-rated hood that protects the neck and head except for the facial area of the eyes and nose. Barricade - ANSWER A physical obstruction such as tapes, cones, or A-frame-type wood or metal structures intended to provide a warning and