Table 8-3Updated Final Safety Analysis Report - (STS-004-002)480-Volt Power PanelsPower panelB-<strong>10</strong>2-1A-176-4Main SwitchboardEmergency SwitchboardSecondary Power Panel “A”Secondary Power Panel “B”ServiceLighting load center, fwdLighting load center, aftMain Switchboard, 120 VAC sectionEmergency Switchboard, 120 VAC sectionDeck Machinery, 480 VAC Forward Power PanelPower panel A-190, Aft Shore Power Connection, 480 VACAft Power Panel480 VAC Forward Power Capstans, Salamander Heater and Gangway WinchAft Power PanelBathroom Trailer8.5.2.7. 450-Volt Power Panels (Original)Originally, 37 power panels were located throughout the ship to furnish 450-volt, a-c power forloads such as deck machinery, ventilation and lighting. Generally, the power panels weresurface-mounted circuit breaker cabinets fed from main switchboard bus sections 1 or 2.The original 450-volt power panels are listed in Table 8-4, which indicates service, powersource, and transfer method. Prior to the shore power switch board modification in 20<strong>10</strong>, thesepower panels were protected either by Tri-Pac, molded-case circuit breakers mounted on themain and emergency switchboards or by molded-case circuit breakers in other 450-volt powerpanels. Various loads taken from these panels were controlled manually by molded-casebreakers or by motor controllers.Table 8-4 450-Volt Power PanelsPower panel Service Power source TransferC-126-1 Stores elevator Bus 2BO-134-2 Deck machinery Bus 1B-123-1 Hotel stbd Bus 1C-144-2 Mach. space vent. Bus 2, bus 1 Man.P-165-1 Quarters vent, aft B-148-1A-<strong>10</strong>6-2 Quarters vent, fwd B-148-1A-188-1 Cargo vent, aft Bus 1B-148-1 Quarters ventilation Bus 1, bus 2 Man.A-80-2 Cargo vent, fwd Bus 1C-<strong>10</strong>2-2 Laundry B-136-2Rev. VI 84
Updated Final Safety Analysis Report - (STS-004-002)Power panel Service Power source TransferA-36-1 Deck mach, 1B A-35-1A-35-1 Deck mach, 1A Bus 1B-136-2 Hotel port Bus 2H-126-3 Mach. aux. 1 Bus 1D-131-2 Mach. aux. 3 H-126-3B-213-1 Steering gear Bus 1, bus 2 Man.C-162-1 Cargo elevator Bus 1A-81-1 Deck mach, 2B A-79-1A-79-1 Deck mach, 2A Bus 2B-<strong>10</strong>8-2 Reactor fuel hdlg. Bus 1H-148-2 Mach. aux. 2 Bus 2D-130-2 Mach. aux, 4 B-148-2H-<strong>10</strong>9-2 Stabilizer Bus 1A-193-1 Deck mach, 4B A-193-3A-193-3 Deck mach, 4A Bus 2D-140-1 Mach, aux. 5 Bus 1D-141-2 Workshop D-140-1B-<strong>10</strong>9-2Reactor compartmentvent.Bus 2, bus 1H-122-2 Motor Operated valves H-126-1Man.H-126-1 Motor Operated valves Bus 1, bus 2 Man.B-<strong>10</strong>2-1 Lighting load center, fwd Bus 1, bus 2 Auto.A-176-4 Lighting load center, aft Bus 2, bus 1 Auto.D-191-1 Supp. Boiler Bus 1, bus 2 Man.D-191-2 Supp. Boiler ventilation Bus 1, bus 2 Man.D-191-3 Supp. Boiler D-191-1N-156-1 Motor Operated valves Emerg.switchboardC-2<strong>10</strong>-1 Shop equip Bus 2Rev. VI 85