Connecting Equipotential Bonding; Connecting Potential Equalization - ABB LS4000 Operating Instructions Manual

Connecting equipotential bonding

Connecting
equipotential
bonding
OI/LS4000/NH3/H2O-EN
In order to select the correct cable, please note the cable specifications
Connect the following devices via a ground cable to the local potential equal-
ization terminal:
 Transmitter unit
 Receiver unit
 Junction box
No. Meaning
1 Receiver unit
Transmitter unit
2
3 Junction box
The potential equalization terminal prevents the cable from twist-
ing during installation and prevents it from coming loose during
operation.
Operating instruction LS4000 for NH and H O
3 2
49