Electrical Connection
7
ekr CON 100 – Installation and Operating Manual 45/130
7.4 Ensuring Equipotential Bonding
Electrostatic charges (ESD) must not discharge via the system.
Devices for discharging must be installed before and after (in the
web running direction) the installed system.
In the contact areas of connections, remove the paint as this act
as an insulator and prevents equipotential bonding.
►
Install conducting connections that permit equipotential
bonding of low and high frequencies between the individual
machine parts or cable ducts.
►
Install ESD discharge devices before and after the installed
system.
►
Connect all components of the system with the same earth that
is connected to the machine.
►
In the case of screwed connections, use serrated washers to
ensure a conducting connection with the unpainted surface
(see illustrations).
►
Remove the paint coating in the contact area.
Through-hole Threaded hole
Fig.12: Use of fan type washers
① Screw ④ Washer
② Nut ⑤ Grounding cable
③ Serrated washer
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