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# Does it matter?

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Posted · Original PosterOP

Does it matter if I have:

1. AC (220v) go to 18v DC

or

2. AC (110v) go to 18v DC

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21 minutes ago, Domas_J said:

Does it matter if I have:

1. AC (220v) go to 18v DC

or

2. AC (110v) go to 18v DC

So rise up, all ye lost ones, as one, we'll claw the clouds

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Posted · Original PosterOP

I have 2 different plugs for this

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I think that 220V is for Europe sockets, and 110V for American sockets?? I remember someone talking about this on YouTube. Feel free to quote me on it.

hi.

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Posted · Original PosterOP

I think that 220V is for Europe sockets, and 110V for American sockets?? I remember someone talking about this on YouTube. Feel free to quote me on it.

I know that but does it matter for the items that takes 18v DC?

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NO 18Vdc is still 18Vdc no matter where they come from

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Posted · Original PosterOP
35 minutes ago, wirs said:

NO 18Vdc is still 18Vdc no matter where they come from

Alright so it won't fry the electronics no matter whichever way will I use it?

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4 hours ago, Domas_J said:

Alright so it won't fry the electronics no matter whichever way will I use it?

As said 18V is 18V when it comes to DC

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Where it is important is if it is a transformer and you mess it up.

Think power supplies that have the switch between 110 and 220.

Say if you have a device that has a transformer and internally it has a 110VAC - 55VAC stepdown transformer that then goes into a linear power supply, ratio is 2:1.

If you by mistake plugged said device into 220VAC, the secondary would be 110VAC due to the 2:1 ratio and likely destroy the power supply.

Same goes for transformer based linear power supplies and plugpack.

Now that is far less common these days as many devices use Switch Mode Power supplies that have a wide input voltage range say 80-260VAC so can work around the world with different plugs/leads and often in brownout conditions.

This is a long answer to say it depends. Your question isn't exactly clear on what you're doing.