Can you splice wires in an electrical panel?
Tuesday, March 3, 2020
Wire splices can be done inside a panel, and often are necessary to repair a double-tap at a breaker (two wires under one breaker connection) using a short wire called a “pigtail,” extend wires that are a little too short when a panel is replaced, or as part of moving circuits from a main panel to a subpanel for a generator switching system. There are just a couple of things to consider:
1) Splices must be made with a wire nut or other rated connector.
2) All wires must be sized to be compatible with the amperage rating of the breaker they are connected to. The yellow wire at the splice in the photo above, for example, was undersize for the rating of the breaker.
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