Which of the following square junction boxes must be used if there is one 6" conduit and two 4" conduits entering on one side of the box and exiting at a 90° angle on another side of the box? (Assume the conductor size is No. 4 AWG or larger, but operating at less than 1,000V.)
a. 24"
b. 30"
c. 36"
d. 44"
d. 44"
Trades & Technology
You might also like to view...
Convert 30,000 psi to bar and round to the nearest of the following values:
A. 500 bar B. 1000 bar C. 2000 bar D. 3000 bar
Trades & Technology
Which of the following specs is the usual start-test spec when testing an air-to-air, boost air heat exchanger?
A. 5 psi B. 15 psi C. 30 psi D. 50 psi
Trades & Technology
What is the difference between a yellow gas flame and an orange gas flame?
What will be an ideal response?
Trades & Technology
The compressor in an A/C system is needed to ___________________
A) Keep the refrigerant circulating. B) Make the gas hotter than ambient air. C) Increase the gas pressure D) All of these
Trades & Technology