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1750
Operators Manual
8
WCaution
Connecting the supplemental ground terminal and the line cord
safety ground to different ground potentials creates a ground
loop that can damage the Recorder.
Potential
Ground
Loop
Correct,
No Ground Loop
Optional Protective
Chassis Ground
(See detail below)
Different Power System
OK
Line Power Cord
Power Network Being Measured
See Caution Above
Incorrect,
Creates Ground Loop
GND
N
ØC
ØB
ØA
azd11f.eps
Figure 3. Connecting the Supplemental Ground Terminal