EN2.5.1 mains connectionHiArc must be connected to an earthed 3-phase power supply using the terminal stripconnector in the backside of the machine. Attach the mains cable leads as shown in thepicture below.L1L2 L3to connect the mains cable do the following:1. Remove the mains lead cover plate.2. Connect the mains cable’s phase lead connectors to L1, L2, and L3 terminals.3. Connect the protective earth lead to its terminal.4. Secure the cable clamp.Check also that the mains cable complies with the local electrical regulations, and replace thecable if necessary. See ’Technical data’.NOTE! The mains cable or wall plug may be installed or replaced only by an electrical contractor orinstaller authorised to perform such operations.HiArc M 400R, M 500R6