Mmortal03mmortal03 42366 silver badges1212 bronze badges Include a remark If the UPS worked fine in keeping issues powered up in the course of outages, it's not necessary to concern yourself with the waveform challenge or have to have a costly pure sine wave UPS. In all our many years of https://kob-khet-design26936.blogitright.com/34035486/how-much-you-need-to-expect-you-ll-pay-for-a-good-ups-ups-beeping