Includes set of 30 common AC and 30 common DC labels All AC and DC buses installed, fully pre-wiredRed reverse polarity indicating LEDReady for installation of optional 4029 AC Isolation Cover9353, 0-150 volt AC voltmeter DC Features100 amp C-Series circuit breaker provides main circuit protection and switching for DC branch circuits8003, 8-16 volt DC voltmeter8017, 0-100 amp DC mmeterOwner upgradeable to 24 volts with 8240, 18-32 volt DC voltmeter