KingSong
2018-03-08 08:29:55
- #1
What does the UPS have to do with the fuse box? A UPS protects against the following cases:
Your fuse box certainly can't do that....
[*]Power outage
[*]Undervoltage
[*]Overvoltage
[*]Frequency changes
[*]Harmonics
Your fuse box certainly can't do that....