Author Question: How should meter test leads be connected for testing a circuit? What will be an ideal ... (Read 66 times)

Melani1276

  • Hero Member
  • *****
  • Posts: 516
How should meter test leads be connected for testing a circuit?
 
  What will be an ideal response?

Question 2

What are the four wires used in a common four-wire communicating system?
 
  What will be an ideal response?



Carissamariew

  • Sr. Member
  • ****
  • Posts: 359
Answer to Question 1

Whenever possible, attach the test leads to the conductors with the circuit de-energized. This can be done with alligator clip type test leads. Always connect the neutral test lead first and then the hot test lead last. The circuit may then be energized for the reading to be taken. Once the reading has been obtained the circuit may once again be de-energized and the test leads removed by disconnecting the hot lead first and the grounded lead last.

Answer to Question 2

Two wires for control power and two wires for communication.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Fungal nail infections account for up to 30% of all skin infections. They affect 5% of the general population—mostly people over the age of 70.

Did you know?

The modern decimal position system was the invention of the Hindus (around 800 AD), involving the placing of numerals to indicate their value (units, tens, hundreds, and so on).

Did you know?

The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.

Did you know?

The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.

Did you know?

Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.

For a complete list of videos, visit our video library