It’s easier to contain dust than gas, so the requirements for Class II locations (ignitable dust) are not as rigorous as those for Class I locations (ignitable gas). However, a dust-based explosion ...
A. The following wiring methods can be installed in a Class II, Division 1 location [Sec. 502.10 (A)]: (Figure) Wiring methods that can be installed in a Class II, Division 1 location. (1) General. (1 ...
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