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Light Switch Questions (sorry, dreadfully boring)

(1 Post)
gleekster Mon 22-Feb-16 20:20:59

I have issues with two light switches in my house but am not sure if I have to get an electrician in or not. I am trying not to spend any money unnecessarily but obviously want to feel safe.

1. Switch by front door that turns on porch light has a small flash of blue light sometimes when you flick it, but not every time. Never got a shock and it works fine. Is this dangerous?

2. Switch in DS room has suddenly become really stiff, so you have to really push it to turn it on or off. I googled it and there is conflicting advice about using WD40. Can I use that on it?

Many thanks.

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