POWER/BLOC Measuring Sheet Page 1 of 2
Company:___________________	Panel Tag # or location:___________________________

Determining the correct Power/Bloc for standard size breakers: *1) Width of center bar *2) Overall length of all breaker spaces *3) Depth below door of panel *4A) Does panel have ridge? *4B) Does panel have valley? *5) Height of shim if required to raise P/B to the level of breaker switch NOTE - *5 FOR LARGE FRAME BREAKERS ONLY IF PANEL IS SQUARE D I LINE "Z" CLIPS ARE SOMETIMES REQUIRED IF P/B CANNOT BE MOUNTED TO THE OUTSIDE OF BREAKERS