EEI TECH EEI Tech Tools and Equipment 2

Question 1

What is the primary function of a megohmmeter (megger)?

Accepted Answer

Test the insulation resistance of cables and motor windings

Answer

Measure large amounts of electrical current

Answer

Detect AC versus DC voltage

Answer

Measure electrical power consumption

Question 2

Which device is used during electrical maintenance to prevent accidental re-energization of equipment?

Accepted Answer

Lockout/tagout (LOTO) device

Answer

Circuit breaker locator

Answer

Ground fault interrupter

Answer

Voltage regulator

Question 3

What does an oscilloscope primarily display?

Accepted Answer

The waveform of a voltage signal plotted against time

Answer

Average power consumption over time

Answer

Total harmonic distortion as a numeric value

Answer

Phase angle between voltage and current as a number

Question 4

A fish tape (wire puller) is primarily used to:

Accepted Answer

Pull electrical wire through conduit or wall cavities

Answer

Cut cable to length inside walls

Answer

Test signal strength in data cables

Answer

Strip insulation from multiple wires at once

Question 5

Which tool compresses a metal terminal or connector firmly onto a wire to create a secure connection?

Accepted Answer

Crimping tool

Answer

Lineman's pliers

Answer

Wire stripper

Answer

Diagonal cutters

Question 6

What advantage does a clamp meter have over a standard multimeter when measuring current?

Accepted Answer

It measures AC current in a live conductor without disconnecting the circuit

Answer

It measures resistance more accurately

Answer

It measures voltage of a battery faster

Answer

It displays frequency more clearly

Question 7

What is the purpose of a tone generator and probe (cable tracer kit)?

Accepted Answer

Identify and trace a specific cable within a bundle or wall

Answer

Test the voltage rating of a cable

Answer

Measure the resistance of a long cable run

Answer

Detect moisture inside cable insulation