looks like a spark plug with a wire
I need a lot more information. I don't know what you mean by four wire plug. What does it look like, what was it used for? What three wire plug are you installing, what does it look like, what is it used for. What color ore the wires?
you'll need a diagram see if your local library has a free professional shop manual to look at... dave
you can use lots of block wood to make it look like a actual ball yard
A closed circuit would look like a circuit which has no disconnected wire and when the current is flowing continuously
Just a bit of wire and conductors
Mulberry
Go to a recent year wrecking yard and ask for it to be put on the wire. This wire goes out to all wrecking yards in the area and whoever has it will report on the wire. This is assuming that the wire is available at the yard you are visiting as it has to be subscribed to.
Doesn't look like it does..
A burn.
A gullet is a tube that runs down your throat and looks like a wide wire.
Do you mean what is its value? How thick is the wire?