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What is the best style electrical outlet?
(lemmy.world)
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this post was submitted on 27 Jan 2024
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Asklemmy
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Isn’t the UK plug like how it is because of the awful ring circuits in buildings built after the war? Otherwise could we have RCDs and overload protection at the switchboard?
As an Australian I’ll stand in solidarity with the UK on having switches for each power socket – immensely convenient.
I have no opinion on my country’s plug, it seems to work well and not grip loosely. But I’m open to being convinced that others are better.
I am convinced the Danish power socket contributes to national happiness.
Admittedly, that's pretty awesome. I don't understand why these sockets with power switches are not common elsewhere.
Well there's cost. Think about how many outlets in an office or home.
You may not understand the engineering of "UL" or safe switches because they would have to have full current of a short going through them, you have arcing, lifetime toggles, the ozone weakening the molded plastic, etc.
With most outlets (receptacles) there is a solid copper bar that goes from the wall wires to the part that pushes against the prongs of the plug. With a switch it's slightly more complicated and would you only break the hot? What if someone wired outlet backwards?
Sure you could make every plug involve a fuse, circuit breaker, arc fault, GFCI, and a switch. And a USB transformer and nightlight.
It could help though in many homes if you had only one outlet wired to a switch, and could help with parasitic current draws of almost everything modern.
Now I want plugs with nightlights so they're easier to find...
Don't overestimate the cost
https://www.screwfix.com/p/lap-13a-2-gang-dp-switched-plug-socket-white-5-pack/49620
That's the retail price for 5, including tax.
Trade will be 20% cheaper if not more for buying in bulk.
If I moved to the states, my home would get switches on outlets.
You wouldn't because they don't exist outside of switch in place of top outlet you could wire to control one outlet.
But honestly the US already has switches on many outlets, because GFCI is required near water and some bedrooms, so the GFCI outlet can act like a switch with the test button
They absolutely do exist. I'd just have to install them.
Because they solve a problem that ~nobody has for ~all their sockets.
Think about it: How many of your sockets do you actually use the switch on? 10%? 5%? Less?
It's smarter to put switches only where they are needed, after all every component in a circuit decreases efficiency and maintainability.
I suppose it’s a use you never realised you needed until you have it. Here are some examples off the top of my head:
https://www.screwfix.com/p/lap-13a-2-gang-dp-switched-plug-socket-white-5-pack/49620
These things last decades. Even the cheapest ones.
A switch should never reduce efficiency any more than the distance in extra wire (a couple of centimetres at most).
If it does I don't know how you've found one cheaper than an already incredibly cheap product.
The schuko plug is an even better implementation of that system because it's symmetryic plug allows for more flexibility.