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Feb 5, 2019 · For our typical AC electrical system, the purpose of the “Main Bonding Jumper” is to connect the equipment grounding conductors (E.G.C.) contained in each branch-circuit and the metal (conductive) service-disconnect enclosure to the Neutral Conductor of the electrical service.
A bonding jumper is a reliable conductor to ensure the required electrical conductivity between metal raceways required to be electrically connected. [1] Wide metal bonding straps around the joints of a radio antenna mast.
Dec 20, 2010 · The objective of the system bonding jumper is to connect the grounded conductor (neutral), supply-side bonding jumper, and the equipment grounding conductors of the separately derived system/transformer, which is required to create an effective ground-fault current path.
Jul 7, 2019 · The main bonding jumper connects the service neutral wiring to the grounding electrode conductor(s) (GEC), and also to the service enclosure (panel box). By connecting these three components together, it eliminates any voltage potential (current) between them.
Apr 16, 2021 · In this video, I’ll discuss the “System Bonding Jumper” (SBJ), its function, and its importance to ensure a safe electrical installation! This video is an extract from Mike Holt’s ...
Aug 11, 2022 · The green screw is the main bonding jumper connecting the grounded busbar to the enclosure. A threaded hub (upper right) provides secure bonding to metal enclosures. The smaller bare copper conductor on the left is the equipment grounding conductor providing bonding.
May 14, 2024 · However, if the main bonding jumper is a wire or busbar that connects the equipment grounding conductor (EGC) to the grounded conductor, the GEC can be connected to the EGC terminal instead. More to come on the main bonding jumper. As you can see, the GEC is a critical component to the equation.
