in hazardous areas the present invention may be better understood by reading the following description of non limiting embodiments with reference to the attached drawings wherein like parts of each of the figures are identified by the same reference characters fig1 shows a perspective view of an explosion proof enclosure 100 with a cover not shown removed fig2 shows a semi transparent frontal view of an explosion proof enclosure 200 with a cover 210 coupled to the housing 102 the enclosures 100 200 each include a rectangular housing 102 each housing 102 includes a top wall 102 a a bottom wall 102 b two side walls 102 c a rear wall 102 d and a cavity 102 e each housing 102 also includes a flange 102 f extending orthogonally from the top bottom and two side walls 102 a 102 b 102 c in certain embodiments the housing 102 is constructed from aluminum and is a nema 7 compliant enclosure for indoor or outdoor use in locations classified as class i groups a b c or d each enclosure 100 200 also includes automation equipment 110 positioned within the cavity 102 e and coupled to the rear wall 102 d in alternative embodiments the automation equipment 110 can be coupled to the top wall 102 a the bottom wall 102 b or one of the side walls 102 c the automation equipment 110 produces heat within the enclosures 100 200 which should be dissipated to maintain a desired temperature within the enclosure 100 200 in certain embodiments the automation equipment 110 may include a controller such.