Useless po yung gagawin mong grounding kung yung Wiring ng bahay nyo is walang grounding. check the Convenience Outlet po muna na pagsasaksakan ng System unit or UPS mo kung may grounding or wala.
Useless po yung gagawin mong grounding kung yung Wiring ng bahay nyo is walang grounding. check the Convenience Outlet po muna na pagsasaksakan ng System unit or UPS mo kung may grounding or wala.