Blue Sea™ Maxi Buss 250A Six Terminal Studs 5/16"-18 Stud BusBar. Busbars are used to consolidate multiple wires or feed multiple circuits. Insert molded stainless steel studs eliminate 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, 48V DC.