Is it really nessecary to replace a surge protector after a lightening strike?

Is it really nessecary to replace a surge protector after a lightening strike?
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1 Answer

Answer :

If your surge protector is still supplying power, it should still be fine. Surge protectors have two separate ways of preventing surges, semiconductors act as variable resistors to prevent smaller surges (which can be cause by things as simple as refrigerators and air conditioners, anything high voltage), and a fuse that breaks to protect from surges the semiconductors cannot handle. If the surge protector is still supplying power, the fuse is still intact, and your surge protector is fine.
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