Class 2 or Class 3 conductors may be installed within enclosures including electric light and power circuits provided _________.
A. The Class 2 and Class 3 circuits are installed as Class 3 and they maintain ¼” separation
B. They are installed as Class 1 circuits
C. The Class 1 circuits are functionally associated and maintain ¼’ separation
D. All the above
D. All the above
You might also like to view...
Name the most common type of zebu cattle, and describe the breed's features
What will be an ideal response?
Crown corrosion in sanitary sewers is caused by
a. bacteria that produce hydrogen sulfide gas and sulfuric acid b. abrasion of the pipe wall by suspended solids in the sewage c. normal wear and tear of the pipeline d. excessively high wastewater flow velocities e. acidic industrial wastewater
Explain how to take a static pressure reading on a duct system
What will be an ideal response?
Clean-up with water is the easiest method for cleaning up after working with ________
A) Acrylic latex paints B) Oil-based paints C) Spar varnish D) Alkyd paints