EEI TECH EEI Tech Tools and Equipment 3

Question 1

What is a wire nut (twist-on connector) primarily used for?

Accepted Answer

Joining two or more stripped electrical conductors together

Answer

Anchoring wire to a junction box wall

Answer

Protecting the end of a single unterminated wire

Answer

Measuring wire gauge size

Question 2

A socket wrench extension bar is most useful for:

Accepted Answer

Reaching and turning fasteners in deep or obstructed locations

Answer

Cutting bolts in confined areas

Answer

Measuring bolt torque without a torque wrench

Answer

Removing stripped or corroded fasteners

Question 3

What physical principle does a non-contact voltage tester use to detect live AC wires?

Accepted Answer

Capacitive coupling to the AC electric field

Answer

Magnetic flux induction

Answer

Resistance measurement between tip and ground

Answer

Infrared thermal detection

Question 4

Which screwdriver type is required for a Phillips head screw?

Accepted Answer

Phillips (cross-point)

Answer

Flathead (slotted)

Answer

Torx (star-shaped)

Answer

Robertson (square drive)

Question 5

In electrical wiring, what does the AWG designation indicate?

Accepted Answer

American Wire Gauge

Answer

Alternating Wire Gauge

Answer

Approved Wiring Grade

Answer

Applied Wiring Guidelines

Question 6

A ground fault circuit interrupter (GFCI) outlet is designed to:

Accepted Answer

Trip rapidly when it detects a small current leak to ground

Answer

Prevent voltage surges from reaching connected devices

Answer

Increase available current for high-draw power tools

Answer

Filter electrical noise from the supply voltage

Question 7

Needle-nose pliers are especially useful for:

Accepted Answer

Gripping and bending wire in tight or confined spaces

Answer

Cutting heavy-gauge wire

Answer

Crimping large cable lugs

Answer

Loosening corroded bolts