This topic contains a solution. Click here to go to the answer

Author Question: What are the three test instruments that can be used to verify no voltage is present in a ... (Read 38 times)

Chloeellawright

  • Hero Member
  • *****
  • Posts: 588
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?



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

babybsemail

  • Sr. Member
  • ****
  • Posts: 304
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

  • Member
  • Posts: 588
Reply 2 on: Jul 26, 2018
Excellent


cam1229

  • Member
  • Posts: 329
Reply 3 on: Yesterday
Gracias!

 

Did you know?

The use of salicylates dates back 2,500 years to Hippocrates’s recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

Did you know?

The liver is the only organ that has the ability to regenerate itself after certain types of damage. As much as 25% of the liver can be removed, and it will still regenerate back to its original shape and size. However, the liver cannot regenerate after severe damage caused by alcohol.

Did you know?

Today, nearly 8 out of 10 pregnant women living with HIV (about 1.1 million), receive antiretrovirals.

Did you know?

Eating carrots will improve your eyesight. Carrots are high in vitamin A (retinol), which is essential for good vision. It can also be found in milk, cheese, egg yolks, and liver.

Did you know?

Your skin wrinkles if you stay in the bathtub a long time because the outermost layer of skin (which consists of dead keratin) swells when it absorbs water. It is tightly attached to the skin below it, so it compensates for the increased area by wrinkling. This happens to the hands and feet because they have the thickest layer of dead keratin cells.

For a complete list of videos, visit our video library