I have a 240 volt dust collector with an NEMA 6-15 plug. I want to plug it into an NEMA 14-50 receptacle. The 6-15 has three leads, while the 14-50 has a fourth (neutral). Can I change the plug and if so how do I wire it?
Change a NEMA 6-15 plug to fit an NEMA 14-50 receptacle
240v
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Best Answer
You can't do that. You can't put at 50A plug on a 15A appliance.
What you can do is change the NEMA 14-50 to a NEMA 6-15. You will also need to change the breaker in the panel, and will need to pigtail the wires because #6 wires will not fit on either a 15A or 20A breaker or a NEMA 6-15 recep.
Now, if you need both sockets to be active, you can install a small subpanel at the NEMA 14-50 site. That subpanel will have 2 breakers: a 2-pole 50A and a 2-pole 15A or 20A. The 50A will supply the NEMA 14-50 recep. The 15A/20A will supply the dual NEMA 6-15.