Fluke 105B User Manual page 137

7 - 10
Make sure the circuit breaker is turned off. Connect the test
tool to two circuit breakers of two different phases and the
neutral bus bar as shown in Figure 7-9. Use the alligator
clips for the red and grey 10:1 probes and black multimeter
test lead.
Figure 7-9. Connecting the Wires
92B/96B/99B/105B

+
Do a Reset; probe scaling factor is 10:1.

Set the test tool to Scope mode.
‘
Select Continuous Auto Set.
’
Turn circuit breaker on.
“
Measure connection 1 and connection 2 (see
Figure 7-10.)
Users Manual