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redmodelt · 02-26-2013, 10:19 AM

Are they 1/2 inch tapered pipe thread or straight thread? The Model T used the 1st as did a number of other cars and motors of the era. If they are straight thread what size? A photo would be of some help.
MarkG

02-26-2013, 10:19 AM	#2
redmodelt Senior Member Join Date: May 2010 Location: Portland OR Posts: 6,458	Re: Edison plugs Are they 1/2 inch tapered pipe thread or straight thread? The Model T used the 1st as did a number of other cars and motors of the era. If they are straight thread what size? A photo would be of some help. MarkG