Search:

Hi,

If you have a 48 volt DC system and the positive is earthed. What is the formula to work the size of the earth conductor to the equipment out? You can't have it the same size or bigger as your...

Hi,

If I have 300 computors each with a load of 400watts and I want to make provision for UPS back-up, what size UPS do I cater for? I have 3 phase 400VAC available.:rolleyes: