I know the green wire goes to ground on the dishwasher. The other two wires
are both copper in color. And the housing is gray. The difference is that
one wire has groves on the coating and the other does not. Which one goes to
the Black wire on the dishwasher and which one goes to the White wire on the
I vote the opposite.
Check it for yourself: at the plug end, determine which prong is on the
same side as the grooved conductor, and see if that prong is wider, or
hold it up to an outlet and see if it's on the side of the wider slot.
The wider slot is neutral and corresponds to the white wire within the
As it's been explained to me, the neutral conductor is "designated"
(that's the code term) by ridges (grooves) or a colour stripe. I have
just checked a power bar that's nearby (the only flat cable at hand)
and it's true for it. It's also consistent with the one web reference
that I can find via Google, at http://www.onthehouse.com/tips/20010410
(it says to put the ridged conductor to a lamp's silver screw, which is
I find myself explaining this on occasion, so if I'm wrong, somebody
If you find yourself in doubt, throw the cord out and get one with
The check that Chip suggests is simple to do.
I do it all the time, just to be sure.
One Euro stuff the solid neutral wire appears often to be the light
blue one & the ground is yellow w/ a green stripe.
Look at a lamp cord or such in your home til you find one with the "ridges".
You'll find that the Identified conductor goes to the neutral (WHITE) wire
which is also the WIDE one of the two conductors on a standard "plug"
("wide is white")
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