Can someone let me know the science behind this please. I’ve been told that if there is a fault on a circuit the ZS values in the regs are there to give ADS in a time that is not going to cause considerable harm. My question is if disconnecting times don’t comply what is the dangers that arise I know it’s physics but have seen marshalling bars carrying current through earthing conductors all day and we don’t get a shock of them. Thank you for you help in advance guys just want to clear up some unanswered questions.
So in theory under fault if we was to touch a faulty appliance with an earth fault and we are standing on something earthy we shouldn’t receive any shock due to being the same potential as the earthed appliance? My confusion is why disconnection times are so important if the above is the case thanks for your detailed explanation everyone
So in theory under fault if we was to touch a faulty appliance with an earth fault and we are standing on something earthy we shouldn’t receive any shock due to being the same potential as the earthed appliance? My confusion is why disconnection times are so important if the above is the case thanks for your detailed explanation everyone
