Wondering if I could hardwire just the negative wire of oven plug directly to the negative wire of the oven. The positive and neutral are connected to the terminal block. The negative connection of the terminal block has been burnt off and is no longer part of the ovens terminal. Would it be safe to leave the positive and neutral wired through the terminal block and hardwire the negatives together? Using electrical tape to make sure none of the negative wiring is exposed.
Electrical – Oven Terminal block melted
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Best Answer
The most common cause of melting/burned terminals is a failure in the heating element. These often fail in a way that allows the heating element, which is encased inside a metallic tube with an insulating layer, to make electrical contact with the tube.
In most cases when this happens, it causes excess current to be drawn from the panel and the circuit breaker trips. But in other cases it fails in such a way that more current than the terminal can handle is drawn but not enough to trip the breaker.
If you remove the heating element and check it with a meter, you should find a relatively low resistance between the two terminals and an infinite resistance from either terminal to the outer shell of the element. If there is a resistance value read from either terminal to the shell, you have a defective element and it should be replaced.
Your best bet is to replace the burned/damaged part as well. Makeshift connections here can be dangerous considering this is a relatively high current and also high temperature application and using parts not designed for this application can cause them to fail unexpectedly.