250 grounding and bonding - Study guides, Class notes & Summaries

Electrician's Licensing Exam Questions And Answers 100% Verified NEC Article ______ defines breakers and fuses. - answerAccording to NEC Article 100, a device that opens and closes a circuit by nonautomatic means automatically closes for a predetermined overcurrent. Annex _____ of NEC covers conduit fill. - answerAnnex C of NEC covers conduit and tubing fill for conductors and fixture wire fill. NEMA stands for National Electrical Manufacturers Association - answerTrue - NEMA is the acr...

NEC 2011 Journeyman Electrical Exam Study Guide (Michigan) Grounding and Bonding: Where outside, aluminum or copper-clad aluminum grounding electrode conductors shall not be terminated within ____in. of Earth. A. 12 in. B. 18 in. C. 24 in. D. 36 in. - B. 18 in. 250.64(A) Temporary Installations: When used by personnel during construction, remodeling, maintenance repair, or demolition of a building, GFCI (ground fault circuit interrupter) protection is required for all 125 ...

Mike Holt 250 Complete Questions And Answers With Verified Solutions A grounding electrode shall be required if a building or structure is supplied by a feeder. Correct Answer: True Metal enclosures shall be permitted to be used to connect bonding jumpers and _____, or both, together to become a part of an effective ground-fault current path. Correct Answer: equipment grounding conductors. The grounding electrode conductor shall be permitted to be run to any _____ available in the groundi...

Electrician's Licensing Exam Questions And Answers 100% Verified NEC Article ______ defines breakers and fuses. - answerAccording to NEC Article 100, a device that opens and closes a circuit by nonautomatic means automatically closes for a predetermined overcurrent. Annex _____ of NEC covers conduit fill. - answerAnnex C of NEC covers conduit and tubing fill for conductors and fixture wire fill. NEMA stands for National Electrical Manufacturers Association - answerTrue - NEMA is the acr...

Electrical Journeyman Test Study Guide A fixed light will be allowed to be 30 amp provided the socket is rated ____ duty. a. Light b. Medium c. Heavy d. Extra Heavy - c. Heavy From the Skilled Trades Act, Section 7 "Except as otherwise provided in this article or in subsection (3), and individual other than an individual who is licensed under this article and ______________ working under the direction of a holder of an electrical contractors licence, shall not in any manner underta...

IEC First Year Exam Study Guide Questions with Verified Solutions ___ can be described as the point of demarcation between where the serving utility ends and the premises wiring begins. Service Point A 12/3 cable is installed from a 120/240-V, 1Ø panel and feeds a split-wired duplex receptacle. One "hot" is connected to a 20A breaker in panel space 1. The second "hot" is connected to a 20A breaker in space 3. A 16-amp load is connected to the upper receptacle and a 14-amp load is ...

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...

Journeyman Electrician #5 | Questions and Correct Answers | Latest Update 2024/2025 | Graded A+ Unless listed and identified otherwise, terminations and conductors of sizes 14 AWG through 1 AWG shall be rated at _____. a) 75°C b) 75°F c) 90°C d) 60°C - Answer -D: 60°C Ref: 110.14(C)(1)(a)(1) The MINIMUM size copper equipment bonding jumper on the supply side of a service consisting of parallel copper phase conductors with a total circular mil area of 2000 kcmil shall be ____.a)...

Journeyman Open Book Practice Exam | Questions with 100% Correct Answers | Latest Update 2024 | Verified where extensive metal in or on buildings or structures may become energized and is subject to personal contact _______ will provide additional safety. a) adequate bonding and grounding b) bonding c) suitable ground detectors d) none of these - a) adequate bonding and grounding single conductor cables shall be ______ or larger and shall be of a type listed for use in cable trays. (a) ...

B A third 90-degree bend may be permitted in a conduit run if the run does NOT exceed ______? A 5 m (16.5') B 10 m (33') C 15 m (50') D 30 m (100') C Which of the following is a property of an electromagnetic field built around a conductor that opposes any changes in current flow in a circuit? A Impedance B Capacitance C Inductance D Resistance A Which of the following markings is used for non-conductive optical fiber general-purpose cables? A OFNG B OFCR C OF...