Reply by Oldtool

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Posted on 220V question: sharing an outlet

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3216 posts in 3270 days

#1 posted 04-02-2013 08:07 PM

You can do with 220 volt circuits the same you would do with 120 volt circuits, provided you ensure to use proper materials – those components or materials that meet the safety standards for use on 220 volts.
Since almost everything used in 120 volt circuits is actually rated for 600 volts as a safety factor, you should have no problem with the voltage issues. Current is the second issue, just make sure the plugs or sockets, and / or wires you use are rated at – or higher than – the circuit breaker on this feed. The one thing you must ensure is that the wire or plug / socket does not have a lower amperage rating than the breaker or the machine it’s used for, or there exists the possibility of creating heat and possible fire. The S/N nameplates on the machines are code required to show maximum amperage draw under load.
If I were doing this, I’d go to big box, get a metal box, a 220 V plug, two 220 sockets, some wire to match the breaker and machine serial number plates, make a short extension cord to go from the wall socket to the two machines – with both plugged into the new junction box with the two new sockets.
Hope this helps.

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