How are the three pigtails fused together
Align Wires: Hold the stripped ends of the wires, including the pigtail, together with their ends even. By using pigtails to join multiple wires, each wire is connected securely to the appropriate terminal or device. It is no great sin to have up to 3" of your shielded wires "exposed". " This method is especially useful when connecting wires to devices such as switches, outlets, and junction boxes, allowing. Professionals often prefer this method because it isolates issues, protecting downstream circuits from cascading failures.
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