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0536 Breaker and Fuse Type Service Boxes - Electrical Electricity - Grounding Panels
 
0536 Breaker and Fuse Type Service Boxes - Electrical Electricity - Grounding Panels -

Image Text: To ground > from utility > main disconnect > A: in newer installations, the main breaker is usually integrated into the main panel > service box > from utility > to ground > B: in older systems, the service box (usually containing fuses) is typically separate from the main panel > to ground > from utility > main disconnect > C: the main disconnect may be a pull-out fuse in the combination panel

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ELECTRICAL, Service Drop and Service Entrance, Basics of Electricity, Service Drops, Service Entrance Wires, Service Size, Service Box, Grounding and Panels, Service Boxes, System Grounding, Distribution Panels, Distribution System, Branch Circuit Wiring (Distribution Wiring), Knob-and-Tube Wiring, Aluminum Wire, Lights, Outlets and Switches

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