When do normally open relay contacts close? A) They cannot ...

[s.tung]

When do normally open relay contacts close?
 
  A) They cannot close because they are open contacts.
  B) When the relay coil is energized
  C) When the relay coil is de-energized
  D) When they receive power

Question 2

What power source does a heater normally operate on?
 
  A) 300 V to 400 V B) 208 V to 240 V C) 150 V to 250 V D) 200 V to 240 V

[dpost18]

Answer to Question 1

B

Answer to Question 2

B

[s.tung]

Thanks for the timely response, appreciate it

[pangili4]

Gracias!