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PostPosted: Mon Aug 21, 2017 7:58 pm 
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Hi all,

Do the switched sockets with the USB ports on them sit on standby all the time with nothing connected to them?
Does this use much power on standby?


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PostPosted: Mon Aug 21, 2017 9:08 pm 
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The switch only turns the socket off, the USB charger is on 24/7

I would never have one, its cheaper to plug a USB charger in than to buy a twin socket with USB charger built in.

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PostPosted: Tue Aug 22, 2017 5:56 pm 
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I am sure they do use power, but very little, in this house I have six fitted early one was 2.1 amp twin USB then fitted a couple of 4.2 amp (2 x 2.1 amp pairs) quad USB and the last three were twin 3.2 amp sockets, the current seems to be shared between two or three sockets and to get full output the device being charged and the connecting lead must also be the correct current rating.

The problem was simple, we have loads of items that need charging and so we ended up with nearly every socket in the house having some type of splitter with loads of chargers some rather cheap and nasty, and the chargers and devices would get swapped around a lot, so it was rare that the item was actually plugged into the correct charger, and there was a tendency to leave chargers plugged in when not in use anyway, so the USB sockets saved having so many sockets taken up with chargers.

The problem is now only down to leads, cheap pound land leads will charge my phone OK, but my wife's Samsung with wrong lead one hour and less than 25% charged, correct leads and 1.5 hours fully charged. Trying to match up leads is hard enough, matching up leads and charger is a nightmare.

First fitted in caravan, then one in my house and now six in mothers house. However can't have remote controlled sockets and USB so will never swap them all, but easy to fit and as long as correct leads are used very good for charging.


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PostPosted: Tue Aug 22, 2017 7:49 pm 
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someone-else wrote:
The switch only turns the socket off, the USB charger is on 24/7

I would never have one, its cheaper to plug a USB charger in than to buy a twin socket with USB charger built in.


I have fitted several at my house, my partner's house and at the holiday apartment.

The annual running cost of a USB socket with nothing plugged into it is around 6 pence per year, double sockets with USB chargers are around £10 each and they free up socket space.

I love them.

Small edit - The MK ones have zero standby power.

https://www.mkelectric.com/Documents/20 ... _FINAL.pdf


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