Originally Posted by Brian Carlton

I don't particularly care for that setup at the terminal ends. It appears that the individual wire leads are secured underneath the nut and and washer. The contact between the washer and the wires is not too good.

Such an application really demands a proper ring terminal unless the stove is designed for individual wire strands, which most are not.

Those power leads draw quite a bit of current and you can see the result if the contact surfaces are marginal.