21Figure 31 – Installing Power Cables for one AC dual-live Wire Inputs(1) Short-Circuit Copper Bar 1 (2) Short-Circuit Copper Bar 2Step 4 Reinstall the AC input protective cover.Step 5 Reinstall the rear cover for the DCPS.4 Verifying the Installation4.1 Checking Hardware Installation Check that all screws, especially those used for electrical connections, are secured. Check that flatwashers and spring washers are installed properly. Check that rectifiers are completely inserted into their respective slots and properly locked.4.2 Checking Electrical Connections Check that all circuit breakers are switched off. Check that flat washers and spring washers are securely installed for all the OT terminals and that allthe OT terminals are intact and properly connected. Check that batteries are correctly installed and that battery cables are correctly connected withoutbeing short circuited. Check that input and output power cables and ground cables are correctly connected without beingshort circuited.4.3 Checking Cable Installation Check that all cables are securely connected. Check that all cables are arranged neatly and bound properly to their nearest cable ties withoutbeing distorted or excessively bent. Check that cable labels are properly and securely attached in the same direction.