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Can I Install a 120 Volt Hour Counter with a 220 Volt Circuit?

No – you cannot connect this hour counter up as you have described, here are your options to make it work…

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Electrical Question from Kathy about 220 Volt Wiring Diagram – Hour Counter
Background: Kathy, a Homeowner from Oceanside, CA
Question: I have a 220VAC system that I need to add an hour counter to. It is a 2 wire system with both lines having 110VAC, together 220VAC. The hour meter says that it is rated 75 to 270VAC. It says to hook up the AC hot to Pin 1 and the AC neutral to pin 2. I just hook up 1 line to each pin right?

Dave’s Reply:
Thanks for your electrical question Kathy. No – you cannot connect this hour counter up as you have described because the 220 volt circuit of the vacuum does not have a neutral. So you either need to obtain a 220 volt hour counter or install a separate 120 volt power source to the vacuum unit for the hour counter and install a 220 volt relay which would be used to control the voltage to the hour counter.

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For more information about 220 Volt Wiring Diagram
220 Volt Wiring Diagram

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FAQs Frequently Asked Questions and Comments

2 Responses to “Can I Install a 120 Volt Hour Counter with a 220 Volt Circuit?”
  1. alina says:

    hi dave, just recently bought a wii sports but it says on the ac adapter – input: 120v 52w 60Hz/ output: DC 12v 3.7a. My question is if i can plug it in 220-240 voltage? if not please advise on what of converter should i use to make it work on 220-240v.

    • Dave Rongey says:

      Hi Alina, no you should not plug the wii 120 volt power adapter into a 240 volt outlet unless you are using an 240 volt outlet converter or adapter that states that it is safe for electronic devices and meets or exceeds the amperage or watt rating.