Disconnecting means - Study guides, Class notes & Summaries

What is the result if the neutral wire becomes open on a multiwire circuit having unequal loads? Select one: a. The load of higher resistance would overheat and probably be damaged. b. The load of lesser resistance would overheat and probably be damaged. c. No effect until one load is turned off or opens. d. No effect. The load of higher resistance would overheat and probably be damaged. Refer to Figure 128.202. ___ volts are applied across the water heater element. S...

NETA Level II Exam Questions Correctly Answered 2024.What is the preferred method of performing primary-injection testing on a low voltage circuit breaker with ground fault protection? Use of the manufacturer's test kit or rewiring the neutral CT input is the preferred method of primary-injection testing on a low voltage circuit breaker with ground fault protection, otherwise two poles can be connected in series to provide balanced secondary currents to the trip unit. At what current lev...

COSC 325 – Final | Exam Questions With Verified Correct Answers| Latest Update Conductor - ANSWER material that has very little resistance and permits electrons to move through it easily Insulator - ANSWER any material that has a very high resistance and resists the flow of electrons Generated electricity - ANSWER the alternating current (AC) created by power plant generator Three phase - ANSWER three distinct wave cycles, 3-wires, 415V Single phase - ANSWER power supply has o...

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...

Module 26111- Wiring Commercial and Residentiala green screw terminal on a device is to be used for the _____ wire a. grounding a device labeled CO/ALR can be used with ______ wire b. copper , aluminum, or copper-clad aluminum the UL label on a device means the device_____ d. has undergone testing it a nationally recognized lab and meets the minimum safety requirements in relation to switches, the term throw refers to the _______ c. number of internal operations that a switch ...

NETA level II exam questions & answers 2023 What is the preferred method of performing primary-injection testing on a low voltage circuit breaker with ground fault protection? Use of the manufacturer's test kit or rewiring the neutral CT input is the preferred method of primary-injection testing on a low voltage circuit breaker with ground fault protection, otherwise two poles can be connected in series to provide balanced secondary currents to the trip unit. At what current level does ...

Iec year 1 final exam LATEST 2023/2024 GRADED A NEW VERSION The Code reference that specifies the type of disconnecting means (circuit breaker for example) that can be used on a multiwire branch circuit that feeds devices mounted on the same yoke [a stack switch or a duplex receptacle for example] is ___. Note: Select N/A (not applicable) if there is not an NEC® requirement. Select one: a. Article 100 b. 240.15(B)(1

A ? is defined as the circuit conductors between the final overcurrent device protecting the circuit and the outlet(s). - Answer-branch circuit A ? includes all circuit conductors between the service equipment, the source of a separately derived system, or other power supply source, and the final branch-circuit overcurrent device. - Answer-feeder A grounding electrode system is generally required for each building or structure served by a feeder. - Answer-True According to the NEC, that...

Electrical Generator works on the principle of: - ANSWERFlemings Right hand rule Which of the following quantity is the same in a series electrical circuit: - ANSWERElectrical current The transformer oil used in transformers acts as: - ANSWERBoth insulating material and coolant Induction motor during no load condition will have a power factor in the range: - ANSWER0.2 The NEC states each building or other structure shall have only one disconnecting means unless _____. - ANSWERThe mul...

NEC TEST ACTUAL EXAM 2024 / NATIONAL ELECTRICAL CODE – NEC TEST ACTUAL 100 QUESTIONS AND 100% CORRECT ANSWERS GRADED A/ NEC / NFPA 70 TEST FOR SAFE INSTALLATION OF ELECTRICAL WIRING AND EQUIPMENT PASSED (NEW!!) Which NEC Article that covers the installation of wiring and equipment for fire alarm systems? - ANSWER-760 The NEC ____ permit the cord and plug connection from a range to a receptacle to be used as the disconnecting means. Does/does not - ANSWER-Does When class 2 control ...