Electrical nccer 2023 - Study guides, Class notes & Summaries

ELECTRICAL NCCER TEST 289 CORRECT QUESTIONS AND VERIFIED ANSWERS A GRADE Eight incandescent lighting fixtures are to be installed. Each fixture is 120- volts, with a 200-watt lamp. What is the total connected load? - CORRECT ANSWE-13.3 amps The must be grounded in a bussed gutter if used as the main service equipment. - CORRECT ANSWENeutral busbar When wall mounting cable tray, ensure that - CORRECT A

How DC motors operate? - correct answer -Magnetic lines of force are continuous and always form closed loops; Magnetic lines of force do not cross. Armature: (Definition) - correct answer -The rotating windings of a DC motor. The ____ is a movable electromagnet located between the poles of another fixed permanent (field) magnet as shown. - correct answer -Armature A twisting force called ______ must be developed. _____ is produced by mounting a loop in a fixed magnetic field and as long...

ELECTRICAL NCCER TEST 289 CORRECT QUESTIONS AND VERIFIED ANSWERS A GRADE Eight incandescent lighting fixtures are to be installed. Each fixture is 120- volts, with a 200-watt lamp. What is the total connected load? - CORRECT ANSWE-13.3 amps The must be grounded in a bussed gutter if used as the main service equipment. - CORRECT ANSWENeutral busbar When wall mounting cable tray, ensure that - CORRECT A

ELECTRICAL NCCER TEST 289 CORRECT QUESTIONS AND VERIFIED ANSWERS A GRADE Eight incandescent lighting fixtures are to be installed. Each fixture is 120- volts, with a 200-watt lamp. What is the total connected load? - CORRECT ANSWE-13.3 amps The must be grounded in a bussed gutter if used as the main service equipment. - CORRECT ANSWENeutral busbar When wall mounting cable tray, ensure that - CORRECT A

ELECTRICAL NCCER TEST 289 CORRECT QUESTIONS AND VERIFIED ANSWERS A GRADE Eight incandescent lighting fixtures are to be installed. Each fixture is 120- volts, with a 200-watt lamp. What is the total connected load? - CORRECT ANSWE-13.3 amps The must be grounded in a bussed gutter if used as the main service equipment. - CORRECT ANSWENeutral busbar When wall mounting cable tray, ensure that - CORRECT A

Light energy that is NOT absorbed by an object can be _____. - correct answer -reflected from and/or transmitted through the object A light that is considered warm in tone is produced by lamps with color temperatures of _____. - correct answer -3,000°K The resistance of a tungsten filament is ______. - correct answer -much higher after the lamp is turned on The filament of a tungsten-halogen lamp is encased in a capsule containing iodine or _____. - correct answer -bromine gas Durin...

The minimum bending radius for 3" rigid conduit is _____. - correct answer -13" The minimum bending radius for 1/2" rigid conduit is _____. - correct answer -4" The maximum number of 90° bends allowed between pull points in a conduit system is ______. - correct answer -four A saddle bend is counted as ____. - correct answer -60°-180°, depending on the type of bends When referring to the two bends required to make an offset in a length of conduit, which of the following is alwa...

If the heater in a fixed IEC bimetallic overload relay fails, - correct answer -the entire overload relay must be replaced The nameplate of a motor indicates that the motor has an FLC of 15A and a service factor of 1.15, how much additional current can this motor safely handle for intermittent power demands? - correct answer -15A(1.15)= 17.25; 17.25A - 15A= 2.25A The minimum allowable coil control voltage needed to keep an electromechanical device energized is called the ___. - correct ans...

Which of the following is true regarding a series circuit? - correct answerThe current flow is the same through all resistors. Which of the following is true regarding a parallel circuit? - correct answerIt has more than one path for current to flow. Which of the following is true regarding a series-parallel circuit? - correct answerIf a circuit is reduced to an equivalent series circuit, the total resistance is found by adding the loads. Two branches of a circuit (R1 and R2) across a 1...