scope:

POWER SWITCHGEAR ASSEMBLIES VOTING CLASSIFICATION OF THE SWITCHGEAR SECTION

Power sWitchgear assemblies including. but not specifically limited to. equipment for the control and protection of apparatus used for power generation. conversion. transmission, and distribution.

A. METAL ENCLOSED WW VOLTAGE AIR CIRCUIT BREAKER SWITCHGEAR ASSEMBLIES Low voltage metal enclosed air circuit breaker switchgear assemblies. indoor and outdoor. 600 volts &-c or less, either drawout or stationary. Renewal and spare parts when furnished with this item are included in the scope of this item.

B. METAL-CLAD SWITCHGEAR ASSEMBLIES Metal-clad SWitchgear assemblies, indoor and outdoor, including power circuit breakers 4.16 to 13.8 kv and 75 to 1000 mva interrupting capacity. Renewal and spare pans when furnished with this item are included in the scope of this item.

C. STATION - TYPE CUBICLES Station-type cubicle SWitchgear, indoor and outdoor, including stationary power circuit breakers 14.4 kv and above. 1000 mva interrupting capaCity and above. Renewal and spare parts when furnished with this item are included in the .scope of·this item.

D. METAL ENCLOSED POWER BUSES Metal enclosed bus structures and connections. when furnished separate from switchgear assemblies. and not composing a pan of metal enclosed SWitchgear assemblies as tie circuits. Renewal and spare parts when furnished with this item are included in the scope of this item.