Chapt 4 Electrical Measurment And Testing. Equipment

Question 1

One of the most important tools for preventing electrical shock is a

Answer 1

Voltage tester

Question 2

Indicate Whether Voltage is present in a circuit

Answer 2

Voltage tester

Question 3

Is a tool that uses indicator lights or a digital Read out to report the amount of voltage present

Answer 3

Digital voltage tester

Question 4

This tester Draws very little current from the circuit

Answer 4

Digital voltage tester

Question 5

Uses a higher. Amount of current to activate the tester’s solenoid Which indicates the presents of voltage.

Answer 5

Solenoid voltage tester

Question 6

Little more than a neon light attached to two conductive leads

Answer 6

Circuit tester or neon circuit tester

Question 7

Is shaped like a pen has a tip the light when it is Place near a or Terminal carrying voltage

Answer 7

Noncontact voltage tester

Question 8

Is a compact one piece tester that has three prongs to plug-in into a standard voltage 120 V receptacle

Answer 8

Receptacle tester

Question 9

This versatile tester Also known as a VOM ______ Comes in a variety of configurations and prices The simplest models test for several electrical properties including voltage current resistance and continuity.

Answer 9

A multimedia

Question 10

Displays the measurement on a digital readout

Answer 10

Digital multimeter

Question 11

Is recognizable but is multi scale displayed with a needle that Rotates from left to right

Answer 11

Analog multimeter

Question 12

A clam on ammeter Is a commercial grade tester for measuring high levels of current and voltage and a range of other properties

Answer 12

Clamp meters

Question 13

Installation resistance tester megohmmeter or Simply meggie His juice for testing the resistance value of wire or cable insulation

Answer 13

Insulation tester

Question 14

Assess the resistance of the earth surrounding a grounding electrode Such as a ground rod

Answer 14

Earth ground tester

Question 15

Maintenance electrician use _____ To determine Moto rotation direction and to check the phrase sequence of a motor power supply (feed) wires

Answer 15

Phase and motor rotation testers

Question 16

Most earth ground testers can employ a few different testing methods. The method do you use most commonly for a single residential ground rod is

Answer 16

Fall of potential

Question 17

Doing new construction a electrician me conduct a _____ Tess to determine a suitable location for installing a new ground rod

Answer 17

Soil resistivity

Question 18

The testers voltage and amperage rating must be higher than those of any equipment the tester will be used on

Answer 18

Use Tools with appropriate rating

Question 19

If a tester has internal fuses make sure the fuses meet the manufacture specification.Improper fuses can make the tool on the unsafe

Answer 19

Verify fuse ratings

Question 20

This should be indicated by the universal symbol showing a small square inside of a large square. Tools also should carry certifications by UL or other nationally recognized independent testing laboratories

Answer 20

Used double insulated tools