NEMA SG 6

Description / Abstract: The Outdoor High-Voltage Switches (8-SG-VI) voting classification includes the following:

a. Power switching equipment rated above 1000 volts AC and 3200 volts DC

b. Grounding switches

c. Group-operated multipole horn-gap and disconnecting switches

d. Hook-operated disconnecting switches

e. Interrupter switches

Excluded from this scope are the following:

a. Porcelain-housed hook operated disconnecting switches

b. Insulator unit adapters and fittings for equipment in this scope

c. Oil-immersed disconnecting switches

d. Switch hooks or sticks

e. Indoor insulator units and accessories

f. Interlocks, auxiliary switches, and accessories designed with or for equipment in this scope

g. Crossarms, buck arms, and pole-top frames used as switch mountings, either steel or aluminum

h. Outdoor stations-structures of steel, aluminum, or wood

i. Renewal and spare parts designed exclusively for use in the products enumerated above and not included in the scope of some other subdivision

NOTE— Excluded from this scope are outdoor insulator units when sold separately, since they fall within the scope of the High Voltage Insulator Section.

Also excluded from this product scope of this voting classification are all products falling within the product scope of the voting classification when assembled in complete switchgear equipment. These fall within the product scope of the Power Switchgear Assemblies Voting Classification (8-SG-V).