Chapter 3: Cable Installation and Grounding
Cable Grounding
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Page 3-6
Grounding the PTP 820C Unit.
Required Tools
•
Metric offset wrench key wrench #3
•
Metric wrench 10mm
Procedure
0B
1 On the front of each PTP 820C unit, loosen the nut, plain washer and serrated washer from
the GND stud, using the metric offset hexagon key and the wrench.
1B
2 Place the cable lug (supplied with the PTP 820C grounding kit) in place on the screw.
2B
3 Secure the cable lug.
3B
4 The second side of the GND cable should be connected to the main ground bar or terminal
ground bar of the site.
4B
5 Perform a resistance test between the 2 lugs of the GND cable. Verify that the result is 0-2
ohms
Note
The
unit’s grounding screw terminal must be connected to protective earth in a
building installation always in accordance with applicable national code and
regulations by a service person.