On or off?

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Sam Vimes

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Sep 7, 2020
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Just make sure all switch activate same way eg down ON and label won't matter. This is how switches in most houses work andExcep they aren't mark.
Except two or three way switches, the type you find used for upstairs/downstairs lighting. ๐Ÿ˜‰. But then you know when the light is on.

Except for my outside security lights which only come on when they detect something but are controlled by two separate stitches.
 
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Mar 14, 2005
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In the UK domestic single toggle switches for lights are set up with down for ON but in Canada and the US they set them down for OFF Not sure how other parts of the world set them.
 
Apr 23, 2024
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Can you post a photo ? I've taken lots of switches apart over the years and asProf John says its relatively easy to remove the rocker and turn it 180 degrees and refit the rocker.You will need a couple of watch screwdrivers and a white sheet (to catch the the really small bits if they fall out!!) and a multimeter to test the switch when re-assembled
 
Mar 12, 2025
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In respect of switch marking and despite a lifetime as an engineer I still get confused over the Red/Green indicators on the main circuit breakers in a consumer unit.

Red is On and Green is Off. Can't help thinking that Green is On as in Go.

Not helped by the fact that my consumer unit...installed by an electrician....has two main circuit breakers and each main switch is different. One has to be on Red, the other on Green.
You think you got problems I am colour blind, well, red/green blind and by god it hurts not knowing if it's on or off ๐Ÿฅด
Seriously I have a built in alarm, it's live until proven otherwise, essentially I can test a circuit half a dozen times if working with electric,
Unfortunately it's a family gene thing, grandfather had the colour perception of a dog, brother is red green brown blind, and I'm red green blind.
 
Nov 6, 2005
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You think you got problems I am colour blind, well, red/green blind and by god it hurts not knowing if it's on or off ๐Ÿฅด
Seriously I have a built in alarm, it's live until proven otherwise, essentially I can test a circuit half a dozen times if working with electric,
Unfortunately it's a family gene thing, grandfather had the colour perception of a dog, brother is red green brown blind, and I'm red green blind.
One of my girlfriend's father was red/green colourblind - he found out half way through the Desert Campaingn in WW2 as his job was sticking coloured markers on maps at headquarters. Maybe that's why there was so much to/fro along the coast!

When he later learnt to drive, he had no problem with traffic lights as top was red, bottom was green - or temporary roadworks with coloured stop/go boards as he just read the words but for roadworks with red/green flags he just waited until eberyone else honked!
 
Nov 11, 2009
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Except two or three way switches, the type you find used for upstairs/downstairs lighting. ๐Ÿ˜‰. But then you know when the light is on.

Except for my outside security lights which only come on when they detect something but are controlled by two separate stitches.
Plus the two sets of double switches that operate our lounge ceiliing lights from both ends of the lounge, kitchen lights too. ๐Ÿ™ˆ
 
Jun 20, 2005
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Can you post a photo ? I've taken lots of switches apart over the years and asProf John says its relatively easy to remove the rocker and turn it 180 degrees and refit the rocker.You will need a couple of watch screwdrivers and a white sheet (to catch the the really small bits if they fall out!!) and a multimeter to test the switch when re-assembled
Try this. I can take more later showing the bottom and sides
IMG_2931.jpeg
 

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