Grounding The Switch With A Grounding Conductor Buried In The Earth Ground - H3C S6520X-SI Series Installation Manual

Figure 16 Connecting the grounding cable to the chassis (2)
(1) Grounding cable
(3) Grounding hole
(5) Grounding screw
Connecting the grounding cable to a grounding strip
Cut the grounding cable to a length required for connecting to the grounding strip.
1.
Use diagonal pliers to strip 20 mm (0.79 in) of insulation off the end of the grounding cable.
2.
Then use needle-nose pliers to bend the bare metal part to the shape as shown in
Make sure the bended part can securely attached to the grounding post on the grounding strip.
Attach the bended part of the grounding cable to the grounding post and use the hex nut to
3.
fasten the bended part to the post.
Figure 17 Connecting the grounding cable to a grounding strip
1
4 3
(1) Grounding post
(3) Grounding cable
Grounding the switch with a grounding conductor buried in
the earth ground
If the installation site does not have any grounding strips, but earth ground is available, hammer a 0.5
m (1.64 ft) or longer angle iron or steel tube into the earth ground to serve as a grounding conductor.
The dimensions of the angle iron must be a minimum of 50 × 50 × 5 mm (1.97 × 1.97 × 0.20 in). The
steel tube must be zinc-coated and its wall thickness must be a minimum of 3.5 mm (0.14 in).
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(2) Grounding sign
(4) Ring terminal
(2) Grounding strip
(4) Hex nut
Figure 17.