Overcurrent devices Study guides, Class notes & Summaries

Journeyman Electrician Practice Test Exam Questions And Answers Conductors with _____ marked on the insulation are NOT approved for use in a wet location. - answerTHHN conductors with THHN insulation are approved for use in dry and damp locations only and conductors with THWN, THHW, and THW insulation are recognized for use in dry and wet locations. Given: A one-family dwelling unit with a demand load of 200 amperes is supplied with a 120/240 volt, single-phase, electrical system from th...

Journeyman Exam 1 & 2 Questions And Answers 100% Verified _______ can be generated. I. Electricity II. Electrical Energy a. I only b. II only c. both I and II d. neither I nor II - answerAns. b A phenomenon where a circuit stores electrical energy is called ______. a. Inductance b. Capacitance c. Resistance d. Susceptance - answerAns. b A general term including material, fittings, devices, appliances, fixtures, apparatus, and the like used as part of, or in connection with, an elec...

IRC Questions and Answers (2023/2024) Rated A+ The purpose of this code is to establish _______ requirements to safeguard the public safety, health, and general welfare... Minimum A permit is not required for one-story detached accessory structures used as tool and storage sheds, playhouses and similar uses, provided the floor area does not exceed ______ square feet 200 sq. ft. A wall supporting any vertical load in addition to its own weight is a ______ - __________ wall load-bearing garage...

The purpose of this code is to establish _______ requirements to safeguard the public safety, health, and general welfare... Minimum A permit is not required for one-story detached accessory structures used as tool and storage sheds, playhouses and similar uses, provided the floor area does not exceed ______ square feet 200 sq. ft. A wall supporting any vertical load in addition to its own weight is a ______ - __________ wall load-bearing garages shall be separated from r...

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...

Valve _________ is the period during engine operation when both intake and exhaust valves are open at the same time ~~> Overlap The best material for conducting electricity is ________ because it is durable, has excellent conducting properties, and has proven to be relatively free from problems over time ~~> Copper The wire in which electric current travels ~~> Conductor Ground Fault Circuit Interrupters (GFCI) are required by the National Electrical Code in all areas o...

NETA Level 2 Study Material Guide for 2024 Tested and Already Passed!!! The state of charge of a lead acid battery is measured by which of the following: - CORRECT ANSWER-Hydrometer Temporary safety grounds: - CORRECT ANSWER-Are sized with consideration of available short circuit current and time duration Before personnel are allowed to operate a power circuit breaker they must first understand the ________ of the breaker. - CORRECT ANSWER-All the above Type MV is a single dielectric ...

TFM12 EXAM | QUESTIONS & ANSWERS (VERIFIED) | LATEST UPDATE | GRADED A+ What is used to protect transformers or other devices supplied from power-supply conductors? Answer: A. An overcurrent device not rated over 20 Amperes. What does PLFA stand for? Answer: Power Limited Fire Alarm What does NPLFA stand for? Answer: Non-Power Limited Fire Alarm What material must NPLFA circuit conductors be made from? Answer: Solid or stranded copper What is a single station detector? Answe...

What is used to protect transformers or other devices supplied from power-supply conductors? - CORRECT ANSWER A. An overcurrent device not rated over 20 Amperes. What does PLFA stand for? - CORRECT ANSWER Power Limited Fire Alarm What does NPLFA stand for? - CORRECT ANSWER Non-Power Limited Fire Alarm What material must NPLFA circuit conductors be made from? - CORRECT ANSWER Solid or stranded copper What is a single station detector? - CORRECT ANSWER Battery powered smoke al...

Journeyman Electrician Practice Test Conductors with _____ marked on the insulation are NOT approved for use in a wet location. - THHN conductors with THHN insulation are approved for use in dry and damp locations only and conductors with THWN, THHW, and THW insulation are recognized for use in dry and wet locations. Given: A one-family dwelling unit with a demand load of 200 amperes is supplied with a 120/240 volt, single-phase, electrical system from the local utility company. Wha...