October 8, 2022
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By EV Made Easy
An Open PEN device detect if the PEN (protective Earth and Neutral) conductor is broken or damaged.
Open PEN devices don’t prevent the Open PEN fault, but they detect it and cut off ALL conductors (live, neutral and earth), in order to avoid electric shocks.
Most chargers have built in open PEN devices however the Tesla Gen3 Wall Connector does not and they must be installed to ensure that the EV charger user doesn’t come into contact with electricity.
