No-load disconnect busway switching apparatus

Claim 1

A NO-LOAD DISCONNECT BUSYWAY SWITCHING APPARATUS COMPRISING: (A) AN ELONGATED SWITCH ENCLOSURE HAVING OPPOSED SIDE WALLS, OPPOSED TOP AND BOTTOM WALLS AND OPPOSED FIRST AND SECOND END WALLS, (B) A FIRST OPENING IN ONE OF SAID END WALLS AND A SECOND OPENING IN THE OTHER OF SAID END WALLS, (C) A SET OF LINE BUS BARS FOR CONNECTING TO A MULTIPHASE SOURCE COMPRISING A PLURALITY OF LINE BUS BARS FOR EACH PHASE OF SAID SOURCE, SAID BUS BARS BEING DISPOSED IN SIDE BY SIDE PARALLEL RELATIONSHIP AND HAVING END PORTIONS EXTENDING THROUGH SAID FIRST OPENING INTO SAID ENCLOSURE, (D) A SET OF LOAD BUS BARS COMPRISING A PLURALITY OF LOAD BUS BARS FOR EACH PHASE OF SAID SOURCE, SAID LOAD BUS BARS BEING DISPOSED IN SIDE BY SIDE PARALLEL RELATIONSHIP AND HAVING END PORTIONS EXTENDING THROUGH SAID SECOND OPENING INTO SAID ENCLOSURE, (E) A MULTIPOLE NO-LOAD DISCONNECT SWITCH DISPOSED WITHIN SAID ENCLOSURE AT AN INTERMEDIATE LOCATION BETWEEN SAID END WALLS, SAID SWITCH HAVING A NUMBER OF POLES THAT IS A MULTIPLE OF THE NUMBER OF PHASES OF THE SOURCE AND IS LESS THAN THE TOTAL NUMBER OF SAID LINE BUS BARS, (F) EACH OF THE POLES OF SAID SWITCH HAVING A LINE STUD AND A LOAD STUD, (G) A GROUP OF LINE PHASE COLLECTOR BARS DISPOSED IN THE SPACE BETWEEN SAID SWITCH AND SAID FIRST END WALL, ONE COLLECTOR BAR FOR EACH OF SAID PHASES AND EACH CONNECTED TO ALL OF SAID LINE BUS BARS OF A CORRESPONDING PHASE, (H) A PLURALITY OF CONNECTIONS FROM EACH OF SAID PHASE COLLECTOR BARS TO A PLURALITY OF CORRESPONDING LINE STUDS, (I) A GROUP OF LOAD PHASE COLLECTOR BARS, ONE FOR EACH OF SAID PHASES, DISPOSED IN THE SPACE BETWEEN SAID SWITCH AND SAID SECOND END WALL AND EACH CONNECTED TO ALL OF SAID LOAD BUS BARS OF CORRESPONDING PHASE AND (J) A PLURALITY OF CONNECTIONS FROM EACH OF SAID LOAD PHASE COLLECTOR BARS TO CORRESPONDING LOAD STUDS OF SAID SWITCH.