Blue Sea MaxiBus 250 Amp Bus Bar - 6 Stud The Blue Sea MaxiBux Bus Bar is used to consolidate multiple wires or feed multiple circuits. The insert molded stainless steel studs eliminate the need for securing nut and allow high torquing for excellent electrical contact. Raised bus provides easy access to multiple wires on a single stud UL 94-V0 rated base material resists high heat Recessed mounting holes eliminate accidental shorts to aluminum and steel mounting surfaces. Maximum Voltage 300V AC