glene77is
Senior Member
- Location
- Memphis, TN
Using an Amprobe INSP-3 tester.
Circuit Voltage is 121.5V RMS Unloaded.
Reading Volt Drop @ 15A = 4.2 %
Indicating 1.1% on hot leg and 3.1% on neutral leg.
Indicating Loaded Voltage = 116.4 V.
Indicating Ground Impedance = .27 Ohms.
I calculate Loaded Voltage = 116.4 V.
Anybody explain how and why the VD is different on hot vs. neutral legs ?
Anybody explain how and why the Ground Impedance is .27 Ohms ?
Sounds like one for Gar, or another experienced engineer.
Circuit Voltage is 121.5V RMS Unloaded.
Reading Volt Drop @ 15A = 4.2 %
Indicating 1.1% on hot leg and 3.1% on neutral leg.
Indicating Loaded Voltage = 116.4 V.
Indicating Ground Impedance = .27 Ohms.
I calculate Loaded Voltage = 116.4 V.
Anybody explain how and why the VD is different on hot vs. neutral legs ?
Anybody explain how and why the Ground Impedance is .27 Ohms ?
Sounds like one for Gar, or another experienced engineer.