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Author Question: What are the three test instruments that can be used to verify no voltage is present in a ... (Read 9 times)

Chloeellawright

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on: Jul 26, 2018
What are the three test instruments that can be used to verify no voltage is present in a de-energized circuit before beginning work?
 
  What will be an ideal response?

Question 2

Why should caution be exercised when replacing a low efficiency air filter with a higher efficiency air filter?
 
  What will be an ideal response?


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babybsemail

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Reply #1 on: Jul 26, 2018
Answer to Question 1

These are a non-contact proximity tester, an electrical tester, and a multimeter.

Answer to Question 2

Higher efficiency filters have a higher pressure drop that can cause poor airflow.


Chloeellawright

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Reply 2 on: Jul 26, 2018
Great answer, keep it coming :)

Dominic

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Reply 3 on: Yesterday
Excellent

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