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Kevin
Kevin, Licensed Electrician
Category: Electrical
Satisfied Customers: 2941
Experience:  29 years as a Licensed Electrical Contractor in Illinois, 5 year college Electrical Instructor, Former Electrical Inspector, Diploma in Digital Electronics, Former Illinois Licensed Home Inspector
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Can a intermatic wh40 timmer be used as a 110 volt timmer,

Customer Question

can a intermatic wh40 timmer be used as a 110 volt timmer
JA: I'll do all I can to help. How long have you been dealing with this?
Customer: about 6 hrs
JA: Do you plan on doing the work yourself?
Customer: yes I have it installed but the timmer does not run
JA: Anything else we should know to help you best?
Customer: i don't think so
Submitted: 1 month ago.
Category: Electrical
Expert:  Kevin replied 1 month ago.

Hello and welcome to Just Answer. My name is ***** ***** I will be happy to assist you with your electrical question.

1) The WH40 requires an input voltage range from 208 volts to 250 volts.

Customer: replied 1 month ago.
can i take and run a lead from terminal 1 to terminal3 would that power up the timmer
Expert:  Kevin replied 1 month ago.

1) T1 and T3 are the LINE side terminals which require 2 hot wires from a double pole circuit breaker in order to provide for the required 240 volts. Won't work on only using 120 volts and jumpering the 2 terminals.

Customer: replied 1 month ago.
guess my supplier lied to me they said it would work as a 110 volt timer you have confirmed my thoughts thank you for your time
Expert:  Kevin replied 1 month ago.

Shown below is the voltage spec from the instruction sheet:

"The time switch to be powered by 208-277 VAC, 60 Hz power supply".

See link shown below:

http://www.intermatic.com/-/media/inriver/7293-8775.ashx

1) The model WH40 is meant to be used on an electric hot water heater which are 240 volt powered.

http://www.intermatic.com/en-us/timer-controls/specialty-time-switches/wh40

2) What is your application? Intermatic manufactures a variety of 120 volt timers.

Expert:  Kevin replied 1 month ago.

If you have any additional questions, just let me know and I’ll be glad to answer them for you.

Otherwise, don’t forget to rate me before you log Off.

Thanks............Kevin:)

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