Is it safe to use a surge protector that constantly makes a high pitched buzzing noise regardless of how many devices are plugged in? - Quora
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Amazon.com: 6Ft Power Strip Surge Protector - Yintar Extension Cord with 6 AC Outlets and 3 USB Ports for for Home, Office, Dorm Essentials, 1680 Joules, ETL Listed, (Black) : Electronics
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