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	Subject - sub panel instalation tonytude im adding a subpanel (100 amp) from a new service (200 amp) Do i need a bond from panel to panel? Do i need to seperate the neutral and equipment ground on the sub-panel? I am also useing the old panel(60 amps) in the house as a sub-panel. It only has a 3 wire system 2 hots and a neutral.Do i need to change the old panel too?And add a equipment ground.Then seperate the grounds from the neutrals?I hope not. tonytude nevermind.......i bonded the sub-panels to the main sevice and seperated the equipment and neutrals in both sub-panels.......guess it was a dumb question. zapped208 tonytude,- Is this new 100A sub panel in the same building?, Or a detached building? tonytude same building....i added a new service (200 amps)and a new sub-panel 100 amps in the garage David Hyatt Probably could have gotten by with installing a 4 wire to the 100amp in garage and leaving the 60 amp alone. Pending on the AHJ in your area. I guess you had mains feeding both panels from main panel. rakesh_verma Can you give me some information about star delta starter. Its working principle, line diagram, its operation and its use on different types of motors? JimmyDee CLICK HERE for information on the starter and a good diagram. Also HERE is another good link for information. Jim