Can neon signs get wet?

Now take a soft nylon brush with long bristles and slowly wipe the dust off every part of the neon lights. If your neon sign looks a bit dingy, the following steps can help you clean it up to keep it looking as good as new. You can also use an old pair of socks to clean the neon sign. Believe it or not, you better always leave your neon sign plugged in, unless you clean it or have it repaired. Can I clean the neon sign? I have a large collection...

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