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The National Electrical Code (NEC), or NFPA 70, is a regionally adoptable standard for the safe installation of electrical wiring and equipment. The NEC codifies the requirements for safe electrical installations into a single, standardized source. It is part of the National Fire Codes series published by the National Fire Protection Association (NFPA).

The Code covers the installation of electrical conductors, equipment, and raceways; signaling and communications conductors, equipment, and raceways; and optical fiber cables and raceways for the following:

  1. Public and private premises, including buildings, structures, mobile homes, recreational vehicles, and floating buildings
  2. Yards, lots, parking lots, carnivals, and industrial substations
  3. Installations of conductors and equipment that connect to the supply of electricity
  4. Installations used by the electric utility, such as office buildings, warehouses, garages, machine shops, and recreational buildings, that are not an integral part of a generating plant, substation, or control center.

The Code does not cover the following:

  1. Installations in ships, watercraft other than floating buildings, railway rolling stock, aircraft, or automotive vehicles, other than mobile homes and recreational vehicles.
  2. Installations underground in mines and self-propelled mobile surface mining machinery and its attendant electrical trailing cable
  3. Installations of railways for generation, transformation, transmission, or distribution of power used exclusively for operation of rolling stock or installations used exclusively for signaling and communications purposes
  4. Installations of communications equipment under the exclusive control of communications utilities located outdoors or in building spaces used exclusively for such installations
  5. Installations under the exclusive control of an electric utility.

In the Cayman Islands, all qualifying electrical installations must satisfy the requirements of the NEC. Our designers and installation electricians have years of training in the interpretation and application of the code, and have significant experience of delivering projects that are approved by the CI Government Authorities as meeting all code requirements.

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