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Index #: NECA120-18

NECA/NACMA 120-2018, Standard for Installing Armored Cable (Type AC) and Type Metal-Clad (MC) Cable

This standard covers the identification, selection and installation of Type AC and Type MC cables, which are used for electrical wiring for residential, commercial and industrial occupancies. It also includes information on fittings and other accessories necessary for a quality installation of these cable systems.


This standard is intended to enhance electrical safety by:

  1. Ensuring that the proper cable is selected for the installation.
  2. Describing proper installation methods for Type AC and MC cables
  3. Aiding installers in meeting the "Neat and workmanlike" requirements of the NEC®
  4. Creating an installation that will protect the wire conductors from physical damage.
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