15Figure 17 Connecting the grounding cable to a grounding strip(1) Grounding post (2) Grounding strip(3) Grounding cable (4) Hex nutConnecting the grounding cable to a grounding strip (for the S5560X-30C-EI, S5560X-54C-EI,S5560X-30F-EI, S5560X-54F-EI, S5560X-34S-EI, and S5560X-54S-EI switches)1. Cut the grounding cable to a length required for connecting to the grounding strip.2. Use a wire stripper to strip 20 mm (0.79 in) of insulation off the end of the grounding cable. Thenuse needle-nose pliers to bend the bare metal part to the shape as shown in Figure 18. Makesure the bended part can securely attached to the grounding post on the grounding strip.3. Attach the bended part of the grounding cable to the grounding post and use the hex nut tofasten the bended part to the post.Figure 18 Connecting the grounding cable to the grounding strip(1) Grounding post (2) Grounding strip(3) Grounding cable (4) Hex nutGrounding the switch with a grounding conductor buried inthe earth groundIf the installation site does not have any grounding strips, but earth ground is available, hammer a 0.5m (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). Thesteel tube must be zinc-coated and its wall thickness must be a minimum of 3.5 mm (0.14 in).Weld the yellow-green grounding cable to the angel iron or steel tube and treat the joint for corrosionprotection.14 321 234
