Victron energy EasyPlus, Manual

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4.3 Connection of the AC cabling
The mains input & output terminal connector can be found on the bottom of the EasyPlus, see
appendix A. The shore or mains cable must be connected to the connector with a three-wire cable.
Use a three-wire cable with a flexible core and a cross section of 2.5mm².
Procedure
Proceed as follows to connect the AC cables:
The AC output cable can be connected directly to the male-connector. (the connector pulls out!)
The terminal points are indicated clearly. From left to right: ‘N’ (neutral), earth, and ‘L1’ (phase).
The AC input cable can be connected directly to the female-connector. (the connector pulls out!)
The terminal points are indicated clearly. From left to right: ‘L1’ (phase), earth, and ‘N’ (neutral).
Push the ‘input’ connector into the AC-in connector (left-side).
Push the ‘output’ connectors into the AC-out connector (AC0 to AC3 from left to right-side).
This is a Safety Class I product (supplied with a protective grounding terminal).
Uninterruptible protective grounding must be provided at the AC input and/or
output terminals and/or chassis grounding point located externally on the
product.
The EasyPlus is provided with a ground relay (relay H, see appendix B) that
automatically connects the Neutral output to the chassis if no external AC
supply is available. If an external AC supply is provided, the ground relay H will
open before the input safety relay closes. This ensures the correct operation of an
earth leakage circuit breaker that is connected to the output.
- In a fixed installation, an uninterruptable grounding can be secured by means of
the grounding wire of the AC input. Otherwise the casing must be grounded.
- In a mobile installation (for example, with a shore current plug), interrupting the
shore connection will simultaneously disconnect the grounding connection. In that
case, the casing must be connected to the chassis (of the vehicle) or to the hull or
grounding plate (of the boat).
- In case of a boat, direct connection to the shore ground is not recommended
because of potential galvanic corrosion. The solution to this is using an isolation
transformer.