Wednesday, January 27, 2010

Powered By Zeedpicpost How Do Electric Blankets Work (specifically) ? Are The Heating Coils Powered By A Low Voltage?

How do electric blankets work (specifically) ? Are the heating coils powered by a low voltage? - powered by zeedpicpost

Coils be replaced by a 12V source powered? I can not imagine it would 120Vac, .. in case of failure

3 comments:

Rich Z said...

You are always in the line voltage. The older (back to the original) mechanical thermostats used. New thermostats use of solid control microprocessor internal state eliminated (the on / off-click function included on closing and is transformed, after ten hours).

The son is isolated and in the pockets of a double-layer coverage.

I have never seen a low voltage in the United States, either in person or by reading technical books about them. If they low-voltage transformers were needed - a look at it and see that there is no transformer.

Numbat said...

The heating cables (resistance) are fed with DC. Heat-setting is by the length of the heating wire with a series of parallel switches done. At least the way that it is in the cheaper models. Some more expensive models use low-voltage transformers and the use and taps on the transformer and some have thermostats.

ROB W said...

In Australia, our 240v. the length of the coil is, how it works. some are 12, but not much

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