THE BEST SIDE OF BACKUP POWER INSTALLATION

After we zapped this device with 5,000 volts, it blocked all but 402.eight of these. Although that’s about two times as quite a few volts as our favourite surge protectors let through, it’s nonetheless much better surge defense than we noticed from any UPS we’ve examined (aside from the Tripp Lite AVR750U, which done with regards to the same)