Electrical Junction boxes shield the electrical connections from the weather, in addition to protecting humans or animals from accidental electrical shocks. A junction box (also called "jbox") is a smaller steel or polycarbonate enclosure housing that is mainly used for electrical terminal connections.
A small metal or plastic junction box might type a part of a jbox electrical passage or thermoplastic-sheathed cable (TPS) wiring system during a building. If designed for surface mounting, it's used principally in ceilings, below floors, or hidden behind Associate in Nursing access panels—particularly in domestic or industrial buildings. Associate in Nursing applicable sort is also buried within the plaster of a wall (although full concealment is not any longer allowed by trendy codes and standards) or solid into concrete—with solely the duvet visible.
It generally includes intrinsic terminals for the change of integrity of wires.
A similar, sometimes wall mounted, instrumentality used principally to accommodate switches, sockets, and therefore the associated connecting wiring is named a pattress.
The term junction box can also be used for bigger items.
Junction box types are used for circuit protection systems wherever circuit integrity has got to be provided, such as for emergency lighting or emergency power lines, or the wiring between a setup and an impression area. In such an Associate in electrical installation, the hearth proofing around the incoming or outgoing cables should even be extended to the junction box to forestall short circuits within the box due to accidental fire.
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