USB Charger


Author Message
phil99

Guru

Joined: 11/02/2018
Location: Australia
Posts: 3321
Posted: 08:48pm 09 Oct 2023      

The 1000V DC test is for 415V equipment. For devices rated at 250V or less the test voltage is 500V.
The logic for not using higher test voltages is they may initiate processes that eventually lead to insulation breakdown, making the device unsafe.