Thanks for the response,
You must have never installed this type of system or maybe you misunderstood my question. I'm trying to wire a 120V UV light to turn on only when the fan of the air handler turns on. This is a fujitsu ARU12RML concealed air handler. How lond have you been in the business?
No, you don't do it that way either. Unless you ran a neutral.It sounds to me that if the blower is a 240v 1ph motor, you could just tie your 120v UV lamp to one leg of the blower motor electrical leads.