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Author Question: The two most common types of overcurrent protective devices are _____. a. circuit breakers and ... (Read 24 times)

kaid0807

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on: Jul 24, 2018
The two most common types of overcurrent protective devices are _____.
 
  a. circuit breakers and fuses
  b. heaters and blowers
  c. Edison-base fuses and time-delay devices
  d. safety switches and load centers

Question 2

Which of the following is defined by UL as a device that trips when a fault current to ground is 6mA or more?
 
  a. Class A
  b. Class B
  c. Class H
  d. Class R


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jaaaaaaa

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Reply #1 on: Jul 24, 2018
Answer to Question 1

a

Answer to Question 2

a


kaid0807

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Reply 2 on: Jul 24, 2018
:D TYSM

ashely1112

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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