RKI Instruments RM-5000 Series Multi-Unit Case - Manual (Page 17)

4 How to Use 4-5. Grounding
- 17 - RM-5000 Multi-unit Case
WARNING
Before turning on the multi-unit case, do not forget to connect it to a grounding terminal.
For stable operation of the multi-unit case and safety, it must be connected to a grounding terminal.
Do not connect the grounding wire to a gas pipe. The grounding must be made as D type grounding
(below 100 Ω of grounding resistance).
Grounding terminal
4-5. Grounding
Connect the multi-unit case to your grounding terminal.