Meters

Question 1

what are the four things to consider before connecting a meter.

Answer 1

Electrical measurement required and correct meter for the application.

Whether the circuit is the de-energized

What value are expecting to obtain from the meter and Max rating for the meter.

What the polarity is

Question 2

Name the four most common classes of cable joints or terminations

Answer 2

Solder connections
Fused connections
Mechanical connections
Compression connections

Question 3

Twist on’s, split bolts, Lugnuts and terminal blocks are said to be of the nuts and bolts type connections what type of termination is this?

Answer 3

These are all known as mechanical terminations or connections

Question 4

Name the three basic wire or cable connections

Answer 4

Splices, taps, terminations.

Question 5

What to insulation properties must you consider when selecting a twist on wire connector

Answer 5

Both the temperature rating and the voltage rating

Question 6

Name for materials that can be used to re-insulated a spliced conductor

Answer 6

Electrical tape

splicing compound

hear shrink able tubing and caps

preformed insulating covers in boots

Question 7

Describe a tap

Answer 7

A tap is a joint in a conductor where at least one of the conductors is smaller than the other or others

Question 8

What is a termination

Answer 8

Termination is the final destination of a conductor

Question 9

What is a splice

Answer 9

The joining of two or more conductors of the same size and ampacity is called a splice

Question 10

Four problems that occur with aluminum terminations

Answer 10

Oxidation
Cold flow
thermal expansion
galvanic corrosion

Question 11

What are the three main types of meters

Answer 11

Voltmeter
Ohmmeter
Ammeter