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Author Question: Most communicating systems are wired with 4 wires. They are A) two wires for 24 volt power and ... (Read 152 times)

strangeaffliction

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on: Jul 27, 2018
Most communicating systems are wired with 4 wires. They are
 
  A) two wires for 24 volt power and two for communication
  B) one for power, one for cooling, one for heating, and one for fan
  C) Power lines 1, 2, 3, and 4
  D) Communication lines 1, 2, 3, and 4

Question 2

All welding equipment should be manufactured to standards set by:
 
  A) OSHA B) NEMA C) ANSI D) AWS


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AaaA

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Reply #1 on: Jul 27, 2018
Answer to Question 1

A

Answer to Question 2

C


strangeaffliction

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Reply 2 on: Jul 27, 2018
Gracias!

Viet Thy

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Reply 3 on: Yesterday
Wow, this really help

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