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Okay you knowledgeable electricians. Why do you need one of these power controllers? I realise that they can alter the amount of power used, and therefore be turned up if needed to prevent dew. But wouldn't 2 seperate rings of resistors with one putting out 25% of total and another at 75% do the job? You could have either of the 2 on seperately, or both together to prevent dew.
I am always looking for the easy way.
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