JOURNEYMAN ELECTRICIAN EXAM BUNDLE(FULL PACK)QUESTIONS & ANSWERS 100% ACCURATE

Locknuts are sometimes used in making electrical connections on studs. In there cases the purpose of the locknuts is to ____. - ANSWERPrevent the connection from lossening under vibrations. Enclosed means, surrounded by a ____ which will prevent persons from accidently contacting energized parts....

Resistance with 2 resistors - ANSWER(R1+R2)/(R1xR2) Resistance with more than 2 resistors - ANSWER1/{(1/r1)+(1/r2)+(1/r3)} voltage drop single phase - ANSWER(2 x conductor length x I x kRating)/cmils voltage drop 3 phase - ANSWER(1.732 x conductor length x I x kRating)/cmils K rating of ...

National Electrical Code metric units of measurement are provided in accordance with which system standard? Select one - ANSWER The horsepower rating of a controller should be which of the following? - ANSWER Which factor would increase the inductance in an AC circuit if all other factors wer...

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:...

1. Frequency is measured in which of the fol lowing : A. Voltage Watts C. Hertz D. None of the above - ANSWERc 2. For electroplating power , which of the fol lowing generators should be used : A. Separately excited B. Delta system C. Split phase D. None of the above - ANSWERa 3...

Unused openings in equipment shall be closed To afford protection equivalent to the wall of the equipment With flame resistant tape With metallic or non metallic materials .004 inches in thickness With metal 1/8 inch in thickness - ANSWERTo afford protection equivalent to the wall of the equ...

1. What must be the middle conductor in a single - phase , three - wire electrical system : a . Ungrounded b Grounded c . Hot d . Out - of - phase . - ANSWERB 2. Three - wire , single phase electrical systems require 120 volts between the ungrounded conductor and the neutral . Which volta...

A series circuit with a voltage drop of 120 volts has a current of 24 amperes and two resistors in series. The first resistor has a resistance of 3 Ohms. What is the resistance in the second resistor? - ANSWER2 Ohms A transformer has a primary coil with 12 turns and a secondary coil with 4 turns....

1. Which of the following do three 150 volt parallel circuits produce the total current ? a . 50 volts b . 150 volts c . 225 volts d . 450 volts - ANSWERd 3. If a custodian in your building finds out that an office worker is using a hot plate on a circuit that already has a lot of applian...

An electromagnet can be switched on and off - ANSWERAnd advantage of an electromagnet over a permanent magnet is Scatters light uniformly in all directions - ANSWERAn excellent diffuser surface is one that In a photovoltaic cell - ANSWERLight is converted into electricity Armature - ANSWERT...

when an electrical circuit tested with ohm meter, a short circuit is indicated by a reading of... - ANSWER0 voltage drop formula - Single phase - ANSWER2 * K-factor * Amp * Length / Circular mils or KCmils of the conductor used voltage drop formula - 3-phase - ANSWER1.732 * K-factor * Amp * Le...

Where the outer sheath of Type MI cable is made of steel _____________. A. it shall provide an adequate path to serve as an equipment grounding conductor B. a separate equipment grounding conductor shall be provided C. the grounding and grounded conductors shall be connected together D. ...

Where a water pipe passes over an indoor motor control center, leak protection apparatus shall have a MINIMUM clearance of _____. a) 6 feet to the protection apparatus b) 6 feet to the water pipe c) 6 1⁄2 feet to the protection apparatus d) 6 1⁄2 feet to the water pipe - ANSWERA: 6 feet to...

Rod-type grounding electrodes of stainless steel shall have a diameter of no less than which of the following? a) 3/8 inch b) 1/2 inch c) 5/8 inch d 3/4 inch - ANSWERc) 5/8 inch Information technology equipment shall be permitted to be connected to a branch circuit by a power-supply cord wi...