Square D HOM612L100FCP 100A Main Lug Load Center, 100 amp, 6 space, 12 circuit Homeline indoor main lug load center w/ flush mount cover. UL listed. Main lug load centers are typically used as "add-on" panels when more circuits are needed. Requires ground bar kit PK7GTACP to complete installation. Main lug load centers do NOT contain a main circuit breaker. Accepts tandem breakers. Use Homeline breakers only.