Arrow Hart RhinoBox Power Centers. Safely centralize and distribute or hub and spoke temporary power. Unique patented “stackable” design allows multiple RhinoBox units to lock together for safe transport and storage. Available in NEMA 3R Rainproof and NEMA 1 enclosures. Weatherproof receptacle covers and flip-up circuit breaker cover prevent nuisance tripping and protect from damage and weather.SpecificationConfigurations3-Pole, 4-Wire GroundingRating50A 120/240VMaterialCold Rolled 18 Gauge Steel, Cold Rolled 10 Gauge Steel (Legs)