Grounding and Lightning Strikes

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To protect your equipment from surges and lightning strikes, you need to make sure you have:

1- Proper grounding: It is very important.

2- Surge protectors: Nearby lightning strikes can put large spikes in the powerlines. A surge protector inserted between the AC plug and your receiver might avert damage, although there is only so much such devices can do for a direct hit.

During or before a storm hits, it is best to unplug your gear from power. Don't just switch it off.