Internachi Inspection Graphics Library Electrical в Service Grounding is the electrical system’s connection to the ground itself. article 100 of the nec defines the ground as the earth. section 250.4 (a) (1) states that grounded electrical systems “shall be connected to earth in a manner that will limit the voltage imposed by lightning, line surges, or unintentional contact with higher voltage lines. Step #1. determine the amperage rating of your electrical service by looking at your main breakers. the system amperage (usually 100 or 200 amps) determines the required gauge of the bonding wire you need. #4 copper wire is sufficient for service not exceeding 200 amps. smaller, less expensive copper wire is allowed for services between 100 and.
Practice For Good Grounding And Bonding A Home Wiring System Eep These terms are similar, confusing and often used interchangeably. strictly speaking, a ground wire connects to the ground. bonding means connecting things electrically together. ground – a wire that goes to a metal pipe or rod that is embedded several feet into the ground. bonding – connecting wires together to make one continues connection. Part i of article 250. general. section 250.1. this section explains that article 250 focuses on general grounding and bonding electrical installation requirements, including: the grounding of systems, circuits, and equipment. which circuit conductor must be grounded. where to locate the grounding connections. Grounding & bonding 5 grounding and bonding “grounding” and “bonding” are important elements of a building’s electrical wiring system. they each have different functions, but they work together to make the building’s electrical wiring safe. the code defi nes “grounding” as the connecting to ground or to a conductive body that. This video will show you how to drive grounding rods, run grounding wire to them and into the electrical panel, and how to bond the panel. driving the ground.
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