(a) All electrical equipment located within 18 inches of the deck of the chemical laboratory shall be in accordance with the applicable requirements of Subchapter J (Electrical Engineering) of this chapter for Class I, Division 2, hazardous locations. Electrical equipment located 18 inches or more above the deck may be of a type suitable for wet or dry locations in accordance with Subchapter J.
source: CGFR 67-83, 33 FR 1151, Jan. 27, 1968, unless otherwise noted.
cite as: 46 CFR 194.15-19