Residential wireman Electrical Test Part 1 1-100 Questions With Correct Answers

The National Electrical Code not intended as ________. - Answers design specification or as an instrucion manual The provisions of the national electrical code are considered necessary for ________. - Answers safety What is not covered within the scope of the national electrical code? - Answers installation in underground mines Which chapter of the national electrical code covers communications systems? - Answers chapter 8 The informational annexes of the national electrical code are for ______. - Answers informational purposes only If the current edition of the national electrical code requires the use of a new product but that product is not yet available then the _____ may permit the use of a product from the most recent previous edition. - Answers authority having jurisdiction A rule that identifies actions that are allowed but not required is ______. - Answers Permissive It is not necessary to inspect a piece of equipment that has not been altered or damaged and has been listed by a qualified electrical testing laboratory is the be installed in a structure - Answers True Distribution centers located in readily accessible locations provide _______. - Answers Convenience and safety of operation Limits on the number of circuits in a single enclosure minimize the effects from a _______. - Answers Ground fault or short circuit Where units of measurement are used in the national electrical code they are given in _______ units. - Answers Inch-pound and/or SI When a hard conversion is made the ________ may change. - Answers dimensions Accessible as applied to equipment means admitting close approach and not guarded by _____. - Answers elevation, locked doors, or other affective means. The ampacity is the maximum current, in ampheres, that a conductor can carry continuously under the conditions of use without exceeding its ______ rating. - Answers Temperature An arc-fault circuit interrupter, or AFCI is a device which provides protection from the effects of arc faults by _______. - Answers recognizing characteristics unique to arcing and functioning to de-energize the circuit when an arc fault is detected Askarel is a ______ term for a group of non-flammable synthetic chlorinated hydrocarbons used as electrical insulating media - Answers generic Bonding means connected to establish electrical ______. - Answers conductivity and continuity A bonding jumper is a connection between a grounded circuit conductor and ______, at a separately derived system. - Answers a supply-side bonding jumper and an equipment grounding conductor A _____ is the circuit conductors between the final overcurrent device protecting the circuit and the outlets. - Answers Branch circuit Finely divided solid material that is a maximum of _______ microns and presents a fire or explosion hazard dispersed and ignited in air is combustible dust. - Answers 500 A pressure connector is a device that establishes a connection between ________ by means of mechanical pressure and without the use of a solder. - Answers -two or more conductors -one or more conductors and a terminal A composite optical fiber cable contains - Answers -optical fibers -current carrying electrical conductors A continuous load is a load where the maximum current is expected to continue for _______ hours or more. - Answers 3 A ________ is a device by which the conductors of a circuit can be disconnected from their source of supply. - Answers Disconnecting means Intermittent duty is described as the operation for alternate intervals of _______. - Answers -load and no load -load and rest -load, no load and rest Any circuit conductor between the service equipment, the source of a separately derived system, or other power supply source and the final branch-circuit overcurrent device is a _______. - Answers Feeder According to the national electrical code an electric sign is _____ self-contained, electrically illuminated utilization equipment with words or symbols designed to convey information or attract attention - Answers -fixed -stationary -portable Electric-discharge lighting is defined as systems of illumination which use ______. - Answers -fluorescent lamps -high-intensity discharge (HID) lamps -neon tubing A ground fault that is unintentional, electrically conducting connection between an ungrounded conductor of an electrical circuit and the normally non-current-carrying conductors, metallic enclosures or _______. - Answers -metallic raceways -metallic equipment -earth An electrically conductive path form the point of a ground fault on a wiring system through normally non-current-carrying conductors to the electrical supply source is ________. - Answers a ground fault current path