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Electricity level 3, Section 4 Questions & Answers Solved 100% Correct!!
A clothing manufacturing plant would most likely be classified as - Class III 
Anesthetizing locations of hospitals are considered to be Class I, Division 1 locations to a height of - 
5' above the floor 
Common sources of ignition include electricity, sparking metal, heat-generating equipment, and failed - 
electrical connections 
In hazardous locations where threaded metal conduit is required, threaded joints must be made up with 
at least how many threads fully engaged? - 5 
Locations in whi...