Electrical ConnectionsPower Xpert Solar 1500/1670 kW Inverter MN141001EN—October 2014 www.eaton.com 19Electrical ConnectionsUtilize wiring methods when installing the Power Xpert Solar1500/1670 kW Inverter in accordance with the ANSI/NFPA70: National Electrical Code. In addition, determine andfollow applicable local, state, and utility regulations. Use onlyhigh-quality aluminum (Al) or copper (Cu) conductors with aninsulation rating of 90 °C (minimum). Select the DC, AC andGround circuit conductor’s wire-type and voltage-ratings asappropriate per Code, and directed by the inverter’s UL 1741certification and power rating.DANGER of Electric Shock HazardDISCONNECT AT POWER SOURCE—UTILITY GRIDDISCONNECT AT POWER SOURCE—PHOTOVOLTAIC SOURCELOTO THE AC DISCONNECT AND PHOTOVOLTAICDISCONNECTS EXTERNAL TO THE INVERTER WHENINSTALLING OR SERVICING THE INVERTER.Electrical ConnectionsAll the inverter’s photovoltaic input and AC outputconnection points are tin-plated copper busbars. Use onlyhigh quality compression lugs for the PV conductorterminations. The throat-coupled AC connection to thetransformer is provided as a kit, including specificinstructions. The basic electrical connections locations areillustrated in Figure 17. The PV-conductor securing methodsare illustrated in Figure 18 and Table 7.