nema 4X open bottom

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templdl

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Wisconsin
4 and 4X Watertight. Must exclude at least 65 GPM of water from 1-in. nozzle delivered from a distance not less than 10 ft for 5 min. Used outdoors on ship docks, in dairies, in wasterwater treatment plants and in breweries. X (as 4X) indicates additional corrosion resistance
Maybe NEMA3 or 3r.
3 Weather-resistant. Protects against falling dirt and windblown dust, against weather hazards such as rain, sleet and snow, and is undamaged by the formation of ice. Used outdoors on ship docks, in construction work, and in tunnels and subways.
3R As 3, but omits protection against windblown dust.
 
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