In most cases you can simply reverse the wire to change how the switch behaves. The other 2 switches appear to either do nothing or they are dead.
Simple Polarity Reversing Switch 4 Steps Instructables
Light switch reversed on its own. Check the switch to see if the words on and off are printed on the toggle. As others say is it a switch all on its own with no other switches for that light. There are no on or off markings but the light that stays constantly on is controlled by one switch that is located on panel with 2 other switches. Hot and neutral dont go into a light switch only hot. The switch that suddenly reversed itself is a single switch thats on a different circuit from the one that wont turn off. Either switch can turn the light on or off.
Moving the switch lever to the down position turns the lights on. The switch sits on the hot line to allow or not allow current to flow. This often indicates that the metal parts inside the switch are wearing out and that its contacts are failing to make the connections needed to complete the electrical path and allow the light to illuminate. The operation of the dimmer is correct in that position moving the dimmer slider up brightens the lights down dims the lights. If it is a single pole and not a decora style it should have on and off printed on it and would be impossible to reverse the function. Discussion in electrics uk started by lynchi 2 mar 2012.
Look at the switch. Sounds like one end of a 3 way switch. 17 oct 2006 messages. That means there are two switches controlling one light. Off is on on is off. Less than a couple of quid there are only two wires on them and it doesnt matter which way the wires go.
The other 2 switches appear to either do nothing or they are dead. Thats known as a single pole single throw switch sometimes seen as spst. Third it is a three way switch. I purposely did this with a 2 gang dimmer box lutron dimmers so that the dimmer slides would be on the outsides of the plate. The switch and dimmer work fine but the operation of the switch is reversed. But you are describing a three way switch and the other one was used to turn the light on or off which reversed the function of the one you usually use.
If this is the case perhaps the other switch is seldom used and. Moving the switch lever to the up position turns the lights off. Forgive my ignorance is this a case of face plate being put on upside down. There are no on or off markings but the light that stays constantly on is controlled by one switch that is located on panel with 2 other switches. With the switch mounted in the upright position. There is another switch somewhere.
The switch that suddenly reversed itself is a single switch thats on a different circuit from the one that wont turn off. Hi i have a number of light switches in my house that are reversed ie. If not then it is most likely one end of a 3 way switch. Hj mar 22 2011.