ENT 201 FINAL PAPER 2025/2026 QUESTIONS AND
ANSWERS RATED A+
✔✔Adjustment factors have to be included in conductor size calculations when there
are more than ____ conductors in a raceway. - ✔✔3
✔✔The most common type of wire used in dry locations is ____. - ✔✔THHN
✔✔The ____ is a series of letters, words, trademarks, and numbers that reveal key
characteristics about a wire. - ✔✔Marking
✔✔The reduction in ampacity after calculating adjustment and correction factors is
called ____. - ✔✔Derating
✔✔The two types of electricity-related burns are ____. - ✔✔electrical burn and arc flash
✔✔The severity of an electrical shock has to do with the amount of current. - ✔✔True
✔✔The heat of an arc flash can melt metal. - ✔✔True
✔✔The last step in the lockout procedure is to test the equipment and circuit to be sure
energy is disconnected. - ✔✔True
✔✔You need to wear safety glasses only when cutting metal. - ✔✔False
✔✔A hard hat is not needed on an electrical work site. - ✔✔False
✔✔Falls from ladders and scaffolds make up a large percentage of workplace injuries. -
✔✔True
✔✔All tools with plastic handles are not considered to be insulated. - ✔✔True
✔✔A lockout device may be removed only by the person working on the circuit. -
✔✔True
✔✔An experienced electrician does not use measuring tools. - ✔✔False
✔✔Insulated tools are rated for the maximum voltage of circuits on which they should
be used. - ✔✔True
✔✔Needle-nose pliers are useful for bending a wire end that will be attached to a
receptacle. - ✔✔True
, ✔✔A pair of pliers is an acceptable tool to use for striking objects. - ✔✔False
✔✔A reciprocating saw will cut through steel conduit. - ✔✔True
✔✔The burr inside conduit must be removed. - ✔✔True
✔✔A receptacle tester will only test for the presence of current. - ✔✔False
✔✔The black probe lead of a multimeter must be connected to the "common" port of the
mulitimeter. - ✔✔True
✔✔When testing a receptacle for voltage, the black probe goes into the receptacle's
short "hot" slot. - ✔✔False
✔✔A clamp meter has spring-loaded jaws that detect current and voltage through wire
insulation. - ✔✔True
✔✔The tip of a noncontact voltage tester lights up when placed near a voltage-carrying
wire or terminal. - ✔✔True
✔✔An insulation tester applies dc current to a conductor to test for resistance. - ✔✔True
✔✔The flow of electrons from one body to another is called current. - ✔✔True
✔✔The differences in electrical potential are measured in volts (V). - ✔✔True
✔✔Electrical resistance is measured in ohms. - ✔✔True
✔✔Devices that use electric power are forms of resistance. - ✔✔True
✔✔The pathway for electricity to flow is called a circuit. - ✔✔True
✔✔Loads are devices through which electricity produces work. - ✔✔True
✔✔A break anywhere in a series circuit stops the electron flow in the entire circuit. -
✔✔True
✔✔Circuits may use a combination of series and parallel circuits. - ✔✔True
✔✔Electromagnetic induction is the process of producing an electromotive force by
varying the magnetic field surrounding a conductor. - ✔✔True
ANSWERS RATED A+
✔✔Adjustment factors have to be included in conductor size calculations when there
are more than ____ conductors in a raceway. - ✔✔3
✔✔The most common type of wire used in dry locations is ____. - ✔✔THHN
✔✔The ____ is a series of letters, words, trademarks, and numbers that reveal key
characteristics about a wire. - ✔✔Marking
✔✔The reduction in ampacity after calculating adjustment and correction factors is
called ____. - ✔✔Derating
✔✔The two types of electricity-related burns are ____. - ✔✔electrical burn and arc flash
✔✔The severity of an electrical shock has to do with the amount of current. - ✔✔True
✔✔The heat of an arc flash can melt metal. - ✔✔True
✔✔The last step in the lockout procedure is to test the equipment and circuit to be sure
energy is disconnected. - ✔✔True
✔✔You need to wear safety glasses only when cutting metal. - ✔✔False
✔✔A hard hat is not needed on an electrical work site. - ✔✔False
✔✔Falls from ladders and scaffolds make up a large percentage of workplace injuries. -
✔✔True
✔✔All tools with plastic handles are not considered to be insulated. - ✔✔True
✔✔A lockout device may be removed only by the person working on the circuit. -
✔✔True
✔✔An experienced electrician does not use measuring tools. - ✔✔False
✔✔Insulated tools are rated for the maximum voltage of circuits on which they should
be used. - ✔✔True
✔✔Needle-nose pliers are useful for bending a wire end that will be attached to a
receptacle. - ✔✔True
, ✔✔A pair of pliers is an acceptable tool to use for striking objects. - ✔✔False
✔✔A reciprocating saw will cut through steel conduit. - ✔✔True
✔✔The burr inside conduit must be removed. - ✔✔True
✔✔A receptacle tester will only test for the presence of current. - ✔✔False
✔✔The black probe lead of a multimeter must be connected to the "common" port of the
mulitimeter. - ✔✔True
✔✔When testing a receptacle for voltage, the black probe goes into the receptacle's
short "hot" slot. - ✔✔False
✔✔A clamp meter has spring-loaded jaws that detect current and voltage through wire
insulation. - ✔✔True
✔✔The tip of a noncontact voltage tester lights up when placed near a voltage-carrying
wire or terminal. - ✔✔True
✔✔An insulation tester applies dc current to a conductor to test for resistance. - ✔✔True
✔✔The flow of electrons from one body to another is called current. - ✔✔True
✔✔The differences in electrical potential are measured in volts (V). - ✔✔True
✔✔Electrical resistance is measured in ohms. - ✔✔True
✔✔Devices that use electric power are forms of resistance. - ✔✔True
✔✔The pathway for electricity to flow is called a circuit. - ✔✔True
✔✔Loads are devices through which electricity produces work. - ✔✔True
✔✔A break anywhere in a series circuit stops the electron flow in the entire circuit. -
✔✔True
✔✔Circuits may use a combination of series and parallel circuits. - ✔✔True
✔✔Electromagnetic induction is the process of producing an electromotive force by
varying the magnetic field surrounding a conductor. - ✔✔True
