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This question made me aware that push-in type connectors are available and got me thinking about using them in an upcoming rewiring project.

I have three types of junctions in my rewiring project where I personally would find this type of connector to be a valuable time saver.

  1. Join 6 wires together
  2. Join 5 wires together
  3. Join 4 wires together

Note: Any junctions where more than 6 wires need to be joined will be joined using terminals and I would still prefer to use wing nuts for junction points where 3 wires or less need to be joined together.

Do I have to buy 6-port connectors, 5-port connectors, and 4-port connectors, or is there a safe, permissible, and legal way to just buy a bunch of 6-port connectors and only use the terminals I need (e.g. some kind of rated "plug" that can be inserted into the wiring ports that are unused).

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Leaving open ports is fine. They make smaller sizes for space considerations. Combination packs are available, though they are more expensive when not bought in bulk.

Ideal's Twister® wire connectors(p.3) have specifications for the minimum and maximum numbers of wires. Their In-Sure™ push-in connectors(p.15) are only limited by the number of ports and will accept "any combination of #12-18 AWG solid and stranded copper wires".

Mazura
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