- Reaction score
- 520
I WAS ONCE SHOWN HOW TO CALCULATE INSULATION RESISTANCE USING A CLAMP METER. SO I NEED HELP AS IVE FORGOTTEN. CAN ANYONE HELP WITH THIS FOLLOWING FORMULA 230 + (20X10-6) = 11.5Mohms how have the arrived at this. A clamp meter has been clamped around live and neutral tails at the consumer and 2mili amps leakage 0.02mA is apparently 20micro joules. HELP