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AssuredElectrical
AssuredElectrical, Master Electrician
Category: Electrical
Satisfied Customers: 4241
Experience:  Contractor-42+ Years in the ElectricalTrade
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Matt, I have a NEMA L14-30 Amp male plug i need to convert

Customer Question

Hi Matt, I have a NEMA L14-30 Amp male plug i need to convert to NEMA 6-30P male.
There is a green, black, red, and brown wire in the L14, What do I do with the Brown Wire?
Submitted: 1 year ago.
Category: Electrical
Expert:  AssuredElectrical replied 1 year ago.

Welcome. My name is ***** ***** would be glad to assist.

What was the plug and cord used on previously?

What is going to connect to now?

Do you have a 2 lead voltage tester?

The reason for so many questions, is the wire colors are incorrect on the L14-30, so someone is using a wire incorrectly and we need to be sure of the connections.

Let me know and we can continue,

Thanks

Expert:  AssuredElectrical replied 1 year ago.

I am assuming that you may be using the cord for something else not sure.

Let me post a picture I made to show the difference in the 2 plugs.

If you look at the inside of the plugs, the terminal slots are actually embossed with the Letters.

x, y, w, g on the L14

x, y and g on the L6

The L14 is for combination of 120 and 240 volt equipment

The L6 is for 240 volts only

Both have a ground of course.

Just cap off unused wires for future needs of returning back to a 4 wire plug

See the diagram , let me know what further may be needed,

Thanks

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