600 volts or more Study guides, Class notes & Summaries

Required for all piping systems that serve _______ psig appliance systems. Normally operated at 11 in wc pressure - answer- 1/2 Required for all piping systems that serve 1/2 psig appliance systems. Normally operated at ______ in wc pressure - answer- 11 Above group lp-gas containers must not be located within ____ feet of the vertical plane beneath overhead electric power lines that are over _____ volts - answer- 6 600 Fire extinquishers must have minimum capacity of _____ lbs dry ch...

a heavy thumping noise occurs with the engine idling, but the oil pressure is normal. this may be caused by: worn pistons and cylinders, loose flywheel bolts, worm main bearings, loose camshaft bearings, - loose flywheel bolts -worn pistons and cylinders would cause a thumping noise during acceleration -worn main bearings cause a thump when the engine is started -loose camshaft bearings would cause a growling noise at all times a low, steady vacuum gauge reading from 11 to 15 indicates:...

NICET Prep : Fire Alarms 2024 Questions And Revised Correct Answers Assembly Occupancy's are buildings used for gathering of _____ or more people for deliberation, worship, entertainment, eating, drinking, amusement, awaiting transportation or similar. - Answer -50 people Class 3 wiring installed under roof decking is required to be at least __ inches below the roof decking - Answer -1.5 Inches The minimum length of free conductors at outlet boxes is - Answer -6 Inches A ________ __...

Journeyman Test Exam With Complete Solutions Feeders containing a common neutral are permitted to supply how many sets of 5-wire feeders? - answer2 To measure the area of a dwelling to determine the lighting load, the fallowing dimensions are use: - answerthe floor area computed from the outside dimensions The general lighting load for residential services is calculated at? - answer3 watts per square foot What is the minimum load per each linear foot that must be allowed for show-window ...

A 150 kVA service transformer has a 480Y/277 volt 3-phase primary and a 208Y/120 volt, 3-phase secondary. What is the approximate full-load ampere rating of the primary of the transformer? - correct answer180 amperes Where a conductor is marked RHW-2 on the insulation what does the "-2" represent? - correct answerThe conductor has a maximum operating temperate of 90 degrees C. For a grounded electrical system supplied by a feeder or branch circuit, the equipment grounding conductor shall...

Master Electrician 2 PRESET PREP TEST FOR REVISION Q&A VERIFIED In dwelling units and guest rooms of hotels and motels, overcurrent protection devices shall NOT be located in _____. - ANSWER bathrooms The conductors in multiconductor portable cables, of over 600 volts nominal, used to connect mobile equipment and machinery, shall be at least size _____ copper or larger and employ flexible stranding. - ANSWER 12 AWG Where a flat cable assembly, Type FC, is installed LESS than ___...

Journeyman Electrician Exam 2024 (Grade A+) Where K=12.9, what is the approximate voltage-drop on a circuit where an 80-ampere, 240-volt, single-phase load is supplied with size 3 AWG copper conductors with THWN insulation, and placed 200 feet from a panelboard? *Chapter 9 tables, table 8 conductor properties (pg. 70-689) -Answer-7.84 volts voltage-drop formula VD=2KID VD=2 x 12.9 x 80amps x 200ft. =7.84 CM 52.620 CM Given the following information, what is the maximum approximate dista...

In dwelling units and guest rooms of hotels and motels, overcurrent protection devices shall NOT be located in _____. correct answer: bathrooms The conductors in multiconductor portable cables, of over 600 volts nominal, used to connect mobile equipment and machinery, shall be at least size _____ copper or larger and employ flexible stranding. correct answer: 12 AWG Where located in Class I, Division 1 locations, transformers containing oil or a liquid that will burn shall be _____. corr...

Journeyman Final Exam Questions And Answers 100% Verified Which of the following conductor insulation types, if any, is/are acceptable for wiring in a fluorescent luminaire when the branch-circuit conductor passes within three (3) inches of the ballast? I. THW II. THWN 1.) neither I nor II 2.) both I and II 3.) I only 4.) II only - answerAnswer: both I and II Table 310.4(A) on page 70-153 of the NEC® 2020 Fire pump supply conductors on the load side of the final disconnecting means ...

Journeyman Final Exam Questions And Answers 100% Verified Which of the following conductor insulation types, if any, is/are acceptable for wiring in a fluorescent luminaire when the branch-circuit conductor passes within three (3) inches of the ballast? I. THW II. THWN 1.) neither I nor II 2.) both I and II 3.) I only 4.) II only - answerAnswer: both I and II Table 310.4(A) on page 70-153 of the NEC® 2020 Fire pump supply conductors on the load side of the final disconnecting means ...