What is the least protective type of junction box that can be used in chemical plants?
a. Type 3R - Rainproof, Sleet Resistant
b. Type 4X - Watertight, Corrosion Resistant
c. Type 7 - Hazardous Locations, Class I
d. Type 9 - Hazardous Locations, Class II
b. Type 4X - Watertight, Corrosion Resistant
Trades & Technology
You might also like to view...
The power supply provided to a zone control panel is typically _____.
a. 24VAC b. 24VDC c. 120VAC d. 240VAC
Trades & Technology
As populations grew, cities had to install sewage disposal systems to take care of the large amounts of wastes
Indicate whether the statement is true or false
Trades & Technology
Other methods of printing construction drawings.
A. drafter B. ipad C. copy machine D. CAD computer, desktops
Trades & Technology
The hazard class of materials indicates the degree of _____ associated with those materials.
Fill in the blank(s) with the appropriate word(s).
Trades & Technology