Ungrounded conductors - Study guides, Class notes & Summaries

RICARDOS 3RD YEAR SECOND TEST (CODE??) CH.1-9 EXAM | QUESTIONS & 100% CORRECT ANSWERS (VERIFIED) | LATEST UPDATE | GRADEA+ A(n) ___is best defined as any current in excess of the rated current of equipment or the ampacity of a conductor. It may result from overload or short circuit a. branch-circuit overcurrent device b. overcurrent c. overload d. supplementary overcurrent device Correct Answer: B. overcurrent NEC Reference: 100 A(n) ____ is a current greater than the equipment ...

The minimum size equipment grounding conductor for a 100 ampere, 120/240 volt single phase underground dwelling feeder whose ungrounded conductors have been increased in size from 3 AWG copper to 1 AWG copper is __ AWG copper Ampacities, Grounding 250.122(B) Table 250.122 Table 8 Ch 9 CORRECT ANSWER 4 The continuity of the grounded conductor shall depend on a busbar or __ only. Continuity, Grounded conductors 200.12 CORRECT ANSWER wire. Each multi-wire branch circuit shall be p...

A live wire is sometimes called a(n) __________. grounded conductor ungrounded conductor grounding conductor CORRECT ANSWER ungrounded conductor Branch circuit conductors are the ____________. wires to the outlets receptacle wires without insulation amp suppliers CORRECT ANSWER wires to the outlets For a 14-gauge copper wire, the maximum overcurrent protection rating is _____ amps. 30 15 20 CORRECT ANSWER 15 The following item is safe to insert into an electrical...

The minimum size equipment grounding conductor for a 100 ampere, 120/240 volt single phase underground dwelling feeder whose ungrounded conductors have been increased in size from 3 AWG copper to 1 AWG copper is __ AWG copper Ampacities, Grounding 250.122(B) Table 250.122 Table 8 Ch 9 - Answer-4 The continuity of the grounded conductor shall depend on a busbar or __ only. Continuity, Grounded conductors 200.12 - Answer-wire. Each multi-wire branch circuit shall be provided with a means t...

The typical electrical service for homes in North America is a_____? - 120240 Volt The 240 Volt circuit is used for? - Appliances The return conductor (a.k.a. the neutral) is at ___ volts because it is grounded to the electric panel - Zero Most 120 Volt circuits are wired to deliver ___ or ___ Amps of current - 15, 20 Most ___ Buildings are supplied with 120240 Volt services. This means that the cable assembly is made up of ___ ungrounded conductors each supplying 120 V with one ground...

A reading of zero on an ohmmeter would mean the circuit is ______. - ACCURATE ANSWERA reading of zero on an ohmmeter would mean the circuit is CLOSED. A multi-wire circuit shall be permitted to be considered as _______ circuits. - ACCURATE ANSWERA multi-wire circuit shall be permitted to be considered as MULTIPLE circuits. A multi-wire circuit must have a disconnect that will disconnect all ________ conductors simultaneously. - ACCURATE ANSWERA multi-wire circuit must have a disconnect tha...

A fitting is a part of a wiring system that is intended primarily to perform which type of function? correct answersmechanical When the disconnecting means of a transformer is located remotely it must be? correct answerslockable If installed and routed on the outside of a raceway, the length of the equipment bonding jumper shall not exceed how many feet? correct answers6 feet What is an askarel? correct answersa group of nonflammable synthetic chlorinated hydrocarbons used as electrical...

A bulkhead mounted disconnect for a workbench shall be located 48 to ____ inches above the deck. Ans: 54 For naval applications, voltages greater than or equal to _____ volts are considered high voltage. Ans: 1000 The resistance of the human body is typically around _____ ohms. Ans: 500 _____ mA - shock is felt. Ans: 1 _____ mA - a person may be unable to let go. Ans: 10 _____ mA - shock may be fatal if it lasts for one second or more. Ans: 100 PPE is required for energized work ...

PSI Journeyman Online Practice Test A fitting is a part of a wiring system that is intended primarily to perform which type of function? - mechanical When the disconnecting means of a transformer is located remotely it must be? - lockable If installed and routed on the outside of a raceway, the length of the equipment bonding jumper shall not exceed how many feet? - 6 feet What is an askarel? - a group of nonflammable synthetic chlorinated hydrocarbons used as electrical insulatin...

_____ air "carries" more water vapor than cold air. - Warm _____ and every sleeping room should have at least one emergency exit. - Basements _____ describes a grouping of short studs commonly found over (or sometimes below) openings, such as for windows and doors, where a full-length stud could not fit. - cripples _____ is the incline of the roof expressed as a fraction derived by dividing the rise by the entire span, where the roof span is the distance between the outside of one wall's...