3-7
Figure 3-7
Connect the PGND cable to a grounding strip
(1) Grounding hole
(2) Grounding screw
(3) PGND cable
(4) Grounding strip
z
If an area with exposed earth is available nearby where a grounding conductor can be buried,
hammer a 0.5 m (1.64 ft.) or longer angle iron or steel tube into the earth.
Weld the yellow-green PGND cable of the switch to an angle iron or steel tube, and treat the joint for
corrosion protection.