1. IN A MULTI-CONDUCTOR DEVICE OF THE CLASS DESCRIBED, IN COMBINATION, A FIXED INNER TUBULAR MEMBER, A ROTATABLE OUTER MEMBER; A PAIR OF CONTACT ASSEMBLIES MOUNTED ON SAID FIXED INNER TUBULAR MEMBER AND HAVING A PLURALITY OF CONTACT BLADES CARRIED THEREBY; A PLURALITY OF BRUSH ASSEMBLIES MOUNTED ON SAID ROTATABLE MEMBER AND HAVING A PLURALITY OF BRUSH FINGERS CARRIED THEREBY, THE BRUSH FINGERS ON THE LEAST TWO OF SAID ASSEMBLIES COOPERATING WITH SAID CONTACT BLADES ON SAID PAIR OF CONTACT ASSEMBLIES AS THE OUTER MEMBER ROTATES ABOUT SAID INNER MEMBER; GUIDE MEANS ON THE CONTACT ASSEMBLIES; COMPLEMENTARY GUIDE MEANS ON THE BRUSH ASSEMBLIES ENGAGEABLE WITH THE GUIDE MEANS ON THE CONTACT ASSEMBLIES FOR INVARIABLY ALIGNING THE BRUSH FINGERS WITH CONTACT BLADES AS THE BRUSH ASSEMBLIES ROTATE PAST THE CONTACT ASSEMBLIES; AND