Why can't you use push connectors to extend a short wire when they are used like that when installing LED pot lights in parallel?

Question

A typical led pot lights installation looks like this, with two or three ways push connectors in the box used to connect this light to the previous one and to extend the wire to the next one
When you need to extend a wire that is short why can't you use a two ways push connector the same way? (let's say it is close to a pot light so by removing the pot light it is at an arm length distance in the ceiling so you can practically reach to it)

redlude97 · Answer

Replace the pot light with a junction box and extend it in there to your new location using push connectors or wire nuts

ThreePhaseEel · Answer

Use a NM splice kit
These sort of rework applications are precisely why Tyco and others make special NM splice kits designed to provide a reliable, secure, self-insulated connection between NM cables without the need for a junction box to enclose it. So, I would use one of those to whack an extra length of 14/2 NM onto the too-short wire (make sure to follow the instructions on the splice kit carefully!), and then proceed as normal.

Why can't you use push connectors to extend a short wire when they are used like that when installing LED pot lights in parallel?

2 Answers

Use a NM splice kit

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