
GP-4201TM/4301TM/4000M Hardware Manual
62
Grounding
Introduction
Take the following precautions for grounding the unit.
Exclusive Grounding
Connect the frame ground (FG) terminal on the power plug to an exclusive ground.
Grounding Procedure
Step Action
1 Check that the grounding resistance is less than 100 .
2 Create the connection point as close to the unit as possible, and make the wire as
short as possible. When using a long grounding wire, replace the thin wire with a
thicker wire, and place it in a duct.
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