FlyerTalk Forums

FlyerTalk Forums (https://www.flyertalk.com/forum/index.php)
-   Travel Technology (https://www.flyertalk.com/forum/travel-technology-169/)
-   -   Using UK Multi-way plugs with US adapters (https://www.flyertalk.com/forum/travel-technology/1473808-using-uk-multi-way-plugs-us-adapters.html)

CraigWatson Jun 7, 2013 2:13 am

Using UK Multi-way plugs with US adapters
 
Have had a thought (not sure if anyone has had the same). Is it possible to use a UK 4-way adapter (one of the long strips, not the block) with a UK-to-US adapter?

Reason I ask is I have a few items (laptop, iPad, phone, Kindle) and I don't think a hotel room is going to provide four wall outlets (or if it does, I'm loathe to buy four international adapters just for one trip).

I realise there's a voltage difference, but I'm not sure if this would affect a simple power strip (I'm in no way an electrician!).

MAN Pax Jun 7, 2013 3:54 am


Originally Posted by CraigWatson (Post 20880716)
Have had a thought (not sure if anyone has had the same). Is it possible to use a UK 4-way adapter (one of the long strips, not the block) with a UK-to-US adapter?

Reason I ask is I have a few items (laptop, iPad, phone, Kindle) and I don't think a hotel room is going to provide four wall outlets (or if it does, I'm loathe to buy four international adapters just for one trip).

I realise there's a voltage difference, but I'm not sure if this would affect a simple power strip (I'm in no way an electrician!).

Do this all the time in EU and USA. No issue and makes sense.

tentseller Jun 7, 2013 5:56 am


Originally Posted by CraigWatson (Post 20880716)
Have had a thought (not sure if anyone has had the same). Is it possible to use a UK 4-way adapter (one of the long strips, not the block) with a UK-to-US adapter?

Reason I ask is I have a few items (laptop, iPad, phone, Kindle) and I don't think a hotel room is going to provide four wall outlets (or if it does, I'm loathe to buy four international adapters just for one trip).

I realise there's a voltage difference, but I'm not sure if this would affect a simple power strip (I'm in no way an electrician!).

No problem for me as well in Americas, Europe, Africa and Asia. I travel with CPAP, Thinkpad, tablet, blackberry, smartphone, mifi and digital camera.

I have a mini US power bar with 4 outlets, a four output usb charger and a multi country plug adapter that I have used world wide.

CraigWatson Jun 7, 2013 6:02 am

Awesome, thanks MAN Pax and tentseller :)

Internaut Jun 7, 2013 7:40 am

Also, consider a multi way with a five metre cord. It's not so much of a problem in the US, but you'd be amazed how many hotels don't put a power outlet close to the desk!

gfunkdave Jun 7, 2013 8:27 am

This has been discussed many times around here in terms of using a US outlet strip overseas. It's generally OK as long as the outlet strip doesn't have other electronics (perhaps a surge suppressor) that can be fried.

Using an outlet strip designed for 240V in a 120V environment might be more problematic, however. Higher voltage wiring requires thinner wiring to carry the equivalent wattage than it would at a lower voltage. You need to ensure you're aware of the amperage rating for your outlet strip and don't exceed it, remembering that the power available will be half of what it would be in the UK.

That said, let's work the math (or do you say maths). I believe the UK standard is 13 A at 230 V, or a whopping 2990 W - almost double what the standard US wall socket can provide. Plugging in your outlet strip in the US will let you do 13 A at 120 V, or 1560 W. This is equivalent to a standard space heater or high power hair dryer. You won't come close to tripping the circuit breaker by plugging in various electronics.

So to recap - you'll be fine. :)

CraigWatson Jun 7, 2013 8:43 am


Originally Posted by gfunkdave (Post 20881928)
This has been discussed many times around here in terms of using a US outlet strip overseas. It's generally OK as long as the outlet strip doesn't have other electronics (perhaps a surge suppressor) that can be fried.

Using an outlet strip designed for 240V in a 120V environment might be more problematic, however. Higher voltage wiring requires thinner wiring to carry the equivalent wattage than it would at a lower voltage. You need to ensure you're aware of the amperage rating for your outlet strip and don't exceed it, remembering that the power available will be half of what it would be in the UK.

That said, let's work the math (or do you say maths). I believe the UK standard is 13 A at 230 V, or a whopping 2990 W - almost double what the standard US wall socket can provide. Plugging in your outlet strip in the US will let you do 13 A at 120 V, or 1560 W. This is equivalent to a standard space heater or high power hair dryer. You won't come close to tripping the circuit breaker by plugging in various electronics.

So to recap - you'll be fine. :)

Fantastic, thanks for the detailed explanation - if this forum had a rep system, I'd +rep you :)

Jimmie76 Jun 8, 2013 8:56 am


Originally Posted by gfunkdave (Post 20881928)
This has been discussed many times around here in terms of using a US outlet strip overseas. It's generally OK as long as the outlet strip doesn't have other electronics (perhaps a surge suppressor) that can be fried.

Using an outlet strip designed for 240V in a 120V environment might be more problematic, however. Higher voltage wiring requires thinner wiring to carry the equivalent wattage than it would at a lower voltage. You need to ensure you're aware of the amperage rating for your outlet strip and don't exceed it, remembering that the power available will be half of what it would be in the UK.

That said, let's work the math (or do you say maths). I believe the UK standard is 13 A at 230 V, or a whopping 2990 W - almost double what the standard US wall socket can provide. Plugging in your outlet strip in the US will let you do 13 A at 120 V, or 1560 W. This is equivalent to a standard space heater or high power hair dryer. You won't come close to tripping the circuit breaker by plugging in various electronics.

So to recap - you'll be fine. :)

What an excellent summary, just recently had to do a lot of calculations to prove to an internal auditor who paid us a visit from head office that we were in no danger of overloading the sockets. She was concerned about our practice of plugging in several 40w lights into one, I informed her that I have a qualification in electrics and that there is minimal risk - still she wanted to see my working out and then have it explained to her.

tentseller Jun 8, 2013 10:15 am


Originally Posted by Jimmie76 (Post 20887319)
What an excellent summary, just recently had to do a lot of calculations to prove to an internal auditor who paid us a visit from head office that we were in no danger of overloading the sockets. She was concerned about our practice of plugging in several 40w lights into one, I informed her that I have a qualification in electrics and that there is minimal risk - still she wanted to see my working out and then have it explained to her.

I am surprised that she did not ask for an audit on the actual line consumption.

I we get audited and the same question is asked, may I defer to you for the reply? :rolleyes:


All times are GMT -6. The time now is 2:03 am.


This site is owned, operated, and maintained by MH Sub I, LLC dba Internet Brands. Copyright © 2026 MH Sub I, LLC dba Internet Brands. All rights reserved. Designated trademarks are the property of their respective owners.