There are standards used to categorize electrical enclosures. In the USA, the two bodies that publishes these classes of enclosures are NEMA and UL.
Electrical Enclosures – About, Types and Ratings
About: Electrical Enclosures are a core safety features of a robust electrical system. They have a two-pronged purpose of not only protecting users from live parts of an electrical system but are also designed to protect electrical wiring and /or equipment from harsh environments, related to severe weather conditions or industrial hazards. Enclosures are box-shaped […]
CT Cabinets – About, Types, Ratings
About: Electric meters, depending on the size of electricity (amperage) being measured, can be either transformer rated or self driven. For amperage lower than 200 amperes, self driven meters are generally used where the electricity being consumed passes through the meter. For higher amperages, current transformers or CTs are used coupled with a meter to measure […]
Junction Box Type 12 Screw Cover
NJ Sullivan’s Type 12 Screw Cover Junction Box is both UL and NEMA compliant. Designed as an indoor general purpose commercial junction box or pull box, the type 12 junction box provides protection to it’s enclosed components. Protections from personnel coming into contact with the components as well as blowing dust. The NEMA and UL […]
Type 3 Electrical Cabinet NEMA vs UL
The Type 3 Electrical Cabinet is a step up from the Type 1 or Type 2. Although the Type 2 allows some protection from water, it does not provide enough for it to be classed as an outdoor electrical cabinet. The Type 3 electrical cabinet is an indoor/outdoor electrical cabinet that offers the same basic […]