WARNING: DO NOT EXCEED THE MAXIMUM NUMBER OF BDM-800 IN AN AC BRANCH CIRCUIT, AS DISPLAYED ON THE UNIT-RATING
LABEL (5 Units or 10 Modules). For 12AWG trunk cable, EACH BDM-800 AC BRANCH CIRCUIT MUST BE SOURCED FROM A DEDICATED
BRANCH CIRCUIT PROTECTED BY A 20A MAXIMUM BREAKER..
WARNING: MAKE SURE PROTECTIVE END CAPS HAVE BEEN INSTALLED ON ALL UNUSED AC CONNECTORS. UNUSED AC BDM-800 WIRE
HARNESS CONNECTORS ARE LIVE WHEN THE SYSTEM IS ENERGIZED BY THE UTILITY SYSTEM.
● Install a protective end cap on the open AC connector at the end of the truck cable
4.8 Ground the System
4.8A Through Trunk Cable
● Each BDM-800 has a built-in ground protection circuit. The grounding wire is connected through the trunk
cable and should be securely attached to the ground connector in the junction box to ensure proper grounding
of the microinverters. It is important to follow all local electrical codes and regulations.
4.8.B Through Racking
● BDM-800 may also be grounded through the racking as shown below.
Modified 04/13/2023 by JMB
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