Electricians Study guides, Class notes & Summaries

When connecting a 3-phase motor the three lines (T1,T2 and T3) are usually connected to __________. - L1, L2, and L3 Electricians use __________ to prevent damage to electrical wiring running to the machine. - rigid and flexible conduit When the wire or foil strip inside a fuse melts, the fuse is said to be __________. - blown The difference between a fuse and a circuit breaker is __________. - circuit breakers can be reset and used again The amount two electrical...

Panelboards in residential wiring are typically installed during? - correct answer -Rough-in A Residential wiring system usually uses? - correct answer -Non-Metallic-Sheeted cable(Romex) In which of the following environments would you find a commercial electrician at work? - correct answer -Office Building Which of the following would most likely require special knowledge of hazardous locations? - correct answer -Industrial wiring Tract homes are usually wired by? - correct answer -...

branch circuit correct answersThat portion of a wiring system extending beyond the final overcurrent device is called the: Calculated load correct answersThe final sum of the computed loads, based on the minimum code requirements, is the Resistance correct answersAs compared to #10, a #8 wire of the same Iength has less: 0.001 inch correct answersOne circular mil is the area of a circle whose diameter is: 1,000,000 cm correct answersA round bus-bar one inch in diameter, has a circular mil ar...

Which article of the NEC covers grounding? CORRECT ANSWER Article 250 What is a dropout plate? CORRECT ANSWER Metal plate with a curve surface for cable to follow as it passes from the tray All of the following are common service voltages in the United States Except: CORRECT ANSWER 372/575 3-Phase, 4-wire What does a GFCI breaker do? CORRECT ANSWER Opens a circuit to prevent operation of an electrical device What will happen when one or more coils in a winding are grounded? CORRECT A...

Journeyman Electrician Exam Questions and Answers 2023 Graded A+ For other than one-and two-family dwellings, when building a new electrical service, at least one (1) 125-volt, single-phase, 15- or 20-ampere-rated receptacle outlet shall be located within at LEAST _____ of the electrical service equipment? -ANS>> 50 feet The ampacity of a conductor is defined by the NEC to be the maximum current, in amperes, a conductor can carry continuously under the conditions of use without exce...

Electrician's Licensing Exam (Common Electrician's Licensing Exam Questions) with 100% Correct AnswersElectrician's Licensing Exam (Common Electrician's Licensing Exam Questions) with 100% Correct AnswersElectrician's Licensing Exam (Common Electrician's Licensing Exam Questions) with 100% Correct Answers NEC Article ______ defines breakers and fuses. - ANSWER-According to NEC Article 100, a device that opens and closes a circuit by nonautomatic means automatically closes for a predeter...

Holt, Electricians Exam Prep Unit 1 Complete Questions And Answers The National Electrical Code is _____. a. intended to be a design manual b. meant to be used as an instruction guide for untrained persons c. for the practical safeguarding of persons and property d. published by the Bureau of Standards Article 90.1(A) Purpose pg. 22 Correct Answer: for the practical safeguarding of persons and property Compliance with provisions of the Code will result in _____. a. good electrical ser...

Electrician NCCER Test Questions and Answers Latest Updated 2024/2025 | Graded. What is a dropout plate? Metal plate with a curve surface for cable to follow as it passes from the tray All of the following are common service voltages in the United States Except: 372/575 3- Phase, 4-wire What does a GFCI breaker do? Opens a circuit to prevent operation of an electrical device What will happen when one or more coils in a winding are grounded? The motor will automatically blow fuses eight in...

Electrician's Licensing Exam Common Electrician's Licensing Exam | 299 Questions and Answers (100% Verified answers)

ELECTRICIANS PRACTICE EXAM QUESTIONS AND ANSWERS 100% ACCURATE ELECTRICIANS PRACTICE EXAM QUESTIONS AND ANSWERS 100% ACCURATE ELECTRICIANS PRACTICE EXAM QUESTIONS AND ANSWERS 100% ACCURATE 1. Disregarding exceptions, dry-type transformers located indoors having a rating of greater than _____ shall be installed in a transformer room of fire-resistant construction. A. 75 KVA B. 87 1/2 KVA C. 112 1/2 KVA D. 50 KVA - ANSWER-C- 112 1/2 KVA 450.21(B) pg 335 2. What is the MINIMUM height ...

NYC MASTER ELECTRICIAN EXAM (Electrical exam) QUESTIONS WITH 100% COMPLETE ANSWERS.