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Should their be a spark inside a light switch when it's turned on?
Wiki User
∙ 14y ago
Wiki User
∙ 14y agoIf you are seeing a spark then the switch should be changed out right away. The spark is created by bad contacts within the switch its self. These bad contacts will create heat and eventually destroy the switch. Make sure that the rating of the switch is greater than the load that is connected to it. The only time a switch might draw an arc is when it is opened but it should never arc when closing. Yes there should be a spark when a switch is put on.
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An old/worn/faulty light switch, or the wires connected to the switch are loose. Replace the switch ASAP.
