FeaturesCompact lightweight low profile design is suited for low mounting heights in conjunction with lower wattage fixturesModular design allows scores of fixture component combinations to meet installation and lighting needsA choice of heat-resistant prismatic glass refractors (NEMA I, III or V) or heat-resistant globes which thread directly into ballast housingStandard dome or 30 deg angle reflectors made of fiberglass reinforced white polyester, highly resistant to corrosive atmospheresHinge has high lip for added safety during installation and servicingHinge and bolt construction ensures 360 deg compression at all points on ballast housing gasket for positive sealingSwing away design of captive bolt and nut simplifies servicingAll Mercmaster™ III mounting hoods have provision for easy field installation of fuses in fixturesFixtures are for use in Class I, Zone 2 hazardous locationsNo seals or putty required, reducing installation time and errors