• If you have an OT terminal, follow callout A in Figure 23 to make the connector: Peel 5 mm (0.20
in) of insulation sheath by using a wire stripper, and then insert the naked metal part through the
insulation covering into the end of the OT terminal. Secure the metal part of the cable to the OT
terminal with a crimper, and then cover it with the insulation covering. Then heat the insulation
covering with a blower to make it completely cover the metal part.
• If you do not have an OT terminal, follow callout B in Figure 23 to make the connector: Peel the
insulation sheath by an appropriate length by using a wire stripper, and then bend the naked metal
part.
4. Connect the made connector to the grounding post of the grounding strip, and then fasten it with
a hex nut, as shown in Figure 24.
Figure 23 Make the grounding cable connector
Figure 24 Connect the grounding cable to a grounding strip
(1) Groundin
Grounding the switch by using the AC power cord
If the installation site has no grounding strips, you can ground an AC-powered switch through the
protective earth (PE) wire of the power cord, but must make sure:
• The power cord has a PE terminal.
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