How Do I Properly Splice AC Wires?

Question:

I have 3 separate runs of 10 gauge (3 wires) attached to my 30 amp shore power plug receptacle on the boat. I want to install a smart plug but there is not enough room for all those wires in the new smart plug. What would be the correct way to join these? Should I use some kind of junction box and have a single set of wires connected to the SmartPlug?

Answer:

Your idea of junction box is correct, make sure it is sealed and only accessible with tools to prevent it from opening easily. Terminate the wires onto a terminal strip and then bring a pigtail to the smartplug.

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