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If you are having your home wired, make the following checks of the job before the electrician leaves. Place all switches on high-heat position and watch the elements with the kiln lid open. The elements should come up to a dull red colour over a period of several minutes. If any element or any pair of elements turns bright red within 20-30 seconds, turn the kiln off and have the electrician check to be sure that the ground neutral wire of the circuit is connected to the proper terminal at the fuse box or circuit breaker box and the neutral terminal of the receptical. Failure to do this can cause damage to the elements or to the switches.