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Amazon.com: Nilight 220PCS Wire Screw Caps Kit 5 Sizes Electrical Wire Caps Assortment Spring Thread Insulated Wire Screw Terminals Twist on Wire Connectors for 22-12 AWG Wires, 2 Years Warranty : Industrial & Scientific
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330 Pcs Wire Connectors Nuts Kit - Electrical Twist Wiring Splice Screw Caps Assortment: Amazon.com: Industrial & Scientific
![When using caps is it necessary to always twist wires prior? I always feel I get a nice tight grip without twisting and it's secure. : r/electrical When using caps is it necessary to always twist wires prior? I always feel I get a nice tight grip without twisting and it's secure. : r/electrical](https://i.redd.it/mjtd5a8cg76b1.jpg)
When using caps is it necessary to always twist wires prior? I always feel I get a nice tight grip without twisting and it's secure. : r/electrical
![electrical - Can install a GFCI outlet with only two wires in an old house? - Home Improvement Stack Exchange electrical - Can install a GFCI outlet with only two wires in an old house? - Home Improvement Stack Exchange](https://i.stack.imgur.com/ZiLzO.jpg)