Question 1
To find the total current of a 3 phase, 120/208volt system, divide total VA. by _______.
Question options:
360
Question 2
4 / 4 points
Terminals that are used for more than one conductor are required to be _____.
Question options:
identified as such
Question 3
4 / 4 points
Where 50 Amp rated circuit conductors are connected to a 20 Amp rated overcurrent device, the ampere
rating of that circuit is ______.
Question options:
20 Amps
Question 4
4 / 4 points
Where the available interrupting faultcurrent (A.I.C.) at the terminals of a switchboard is 50,000 Amps,
the equipment is required to have a minimum A.I.C. rating of_________.
Question options:
50,000
Question 5
4 / 4 points
This preview has intentionally blurred sections. Sign up to view the full version.
View Full DocumentTo find the current of a 3 phase, 277/480 volt system, divide the total voltamperes by ________.
Question options:
831
Question 6
4 / 4 points
The allowable ampacity of a conductor is determined by the temperature rating of ________
Question options:
A, B & C
Question 7
4 / 4 points
Where a 1200 Amp Switchboard, that is 8 ft. wide, is located in an Electric Room, access requirements to
This is the end of the preview.
Sign up
to
access the rest of the document.
 Spring '11
 na
 Volt, Question options, Ampere, Circuit breaker, Amp Switchboard

Click to edit the document details