Dear group: We recently had problems with an electric baseboard
heater in the office building where I work. The heater began throwing
sparks and burned through part of the heater's metal casing. The line
voltage thermostat was turned off but the breaker was still on. The
building and heaters are about 25 years old. I do not know the make/
model heater other than it is 240 volt. I have two questions:
1. When we had an electrician look at the heater, we asked him why the
heater would have power when the thermostat was turned off and the
heaters were not "heating". He said that they always have power and
always produce a little heat, something like a pilot light on a gas
furnace. It doesn't make sense to me why the heater has a "pilot
circuit". Do any of these heaters have such a circuit? I know that
the heaters in my office have no power until the thermostat calls for
2. Are baseboard heaters noted for this type of failure and are the
other heaters in the building in danger of a similar failure?
Thanks for your assistance on my long winded problem!