NEMA Rating
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N1IndoorProtection from fingers, tools and small objects
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N12IndoorProtection from dust and light splashes of water
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N3ROutdoorProtection from rain, snow and sleet
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N4OutdoorProtection from rain, snow, sleet, and hose directed water
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N4XOutdoorProtected from rain, snow, sleet, and pressure rated hose directed water from all angles