Nick Field wrote: > A single R will guarantee the voltage between the busbars is zero what ever the fault condition, and as I can't touch my mmc at all i don't see why I should bother to solder on 900 more resistors if it provides no safety or performance benefit. Nick, If you can't touch any part of your MMC carrying HV, then you could use one single discharge resistor of course. Safe coiling to you! Herwig