In my case, I just use a high-quality surge protector when on the job. However, when the equipment's set up at home, I always unplug the surge protector from the wall outlet. You can't get zapped with a massive surge if the unit's not plugged in.
Cheers,
Gary
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PSR-S950, TC Helicon Harmony-M, Digitech VR, Samson Q7, Sennheiser E855, Custom Console, and lots of other silly stuff!
K+E=W (Knowledge Plus Experience = Wisdom.)