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Is there a device that will enable or energize when a voltage range of 20V to 110V is applied that can be used to connect a shower fan to the dimmer switch and activate the fan when the light is on?
Nycmr
Need more info to give you the most usefull answer. However, generically speaking, sounds like what you need is a 120v relay. Put the relay output contacts in series with the fan (aka the load) then wire the relay coil in parallel to the light bulb power. This will make the load come on when the light is powered on. Tip, if the fan is driven by an induction motor (most are, if it has brushes it is NOT an induction motor) then your speed controller will have to be the kind for an inductive load ( NOT the kind for a resistive load, like a lightbulb ). Good luck.
AnswerA solid state relay, or SSR should do it for you. SSRs take a broad range of input voltage as you require, and have snubbers to allow them to switch inductive loads such as the fan.Wiki User
∙ 12y ago
You could use a relay or a voltage sensing switch that is designed to activate upon sensing a voltage range of 20V to 110V. This device can be connected to the shower fan and the dimmer switch to activate the fan when the light is turned on within the specified voltage range. Just ensure the device is rated for the voltage and current requirements of the shower fan.
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