User Manual
  OPERATION 
37 
GB Connection 
Background 
GB tests use the SENSE H/L and SOURCE H/L 
terminals with the GTL-115 test leads.  
GB Connection 
Source H
DUT
GPT-9000
Sense L
Sense H 
Source L
Steps 
1.  Turn the power off on the safety tester. 
2.  Connect the Sense H lead to the SENSE H 
terminal. 
3.  Connect the Sense L lead to the SENSE L 
terminal. 
4.  Connect the Source H lead to the SOURCE H 
terminal. 
5.  Connect the Source L lead to the SOURCE L 
terminal. 
SOURCE H
SENSE H
SOURCE L
SENSE L
GB Rx
RETURN
HI-POT
IR
Sense H lead Sense L lead
Source L leadSource H lead










