Course Content
Article 200 – Use and Identifications of Grounded Conductors
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Article 210 Branch Circuits
Article 210 of the National Electrical Code (NEC) covers the requirements for branch circuits, which are the circuits that supply power to the outlets, lighting fixtures, and other loads in a building. In this lesson, we will discuss the key requirements of Article 210.
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Article 215 Feeders
Article 215 of the National Electrical Code (NEC) covers the requirements for feeders, which are the circuits that supply power from the service equipment to the branch circuits in a building. In this lesson, we will discuss the key requirements of Article 215.
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Article 230 Services
In summary, Article 230 provides specific requirements for the installation of service conductors and equipment to ensure safe and reliable delivery of electrical power to buildings and structures.
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Article 242: Overvoltage Protection
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NEC Chapter 2 Wiring and Protection
About Lesson

Article 230 of the NEC covers the installation requirements for services, which are the conductors and equipment that provide electrical power from the utility source to the building or structure. Here is a summary of the key points:

  • Service conductors must be installed in a manner that provides clearances from buildings, trees, and other obstructions to prevent contact and maintain safety.
  • Service conductors must be protected from damage by being installed in a raceway, conduit, or cable with appropriate mechanical protection and support.
  • Service equipment, such as the meter and main disconnect, must be located in a readily accessible location outside the building or structure, or in a separate room or enclosure within the building or structure that is only accessible by authorized personnel.
  • Service equipment must be grounded in accordance with NEC requirements to provide a safe path for fault current and protect people and equipment from electrical hazards.
  • Service disconnects must be installed in a readily accessible location and clearly marked as the means to shut off power to the entire building or structure.
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