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• The communication cable shall not be connected to PE ground. This applies even if a
shielded bus cable is used.
• If there is more than one wallbox, connect them in daisy chain using the T-adaptor
included in the kit, as shown:
• Apply mains power to the wallbox(es), after thorough inspection of the installation.
9. IT network with local TN network
Some electric vehicles have an onboard charging system that requires a TN network to
function. Use a transformer in an IT network to create a local TN network to charge these
vehicles.
The type and the dimension of the transformer is not specified in this document. Only the
principle is shown.