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0549 Arcing and Sparks - Electrical Electricity - System Grounding
 
0549 Arcing and Sparks - Electrical Electricity - System Grounding -

Image Text: Even though air is a good insulator, a spark will jump from a hot wire to a potential ground if the gap is small enough > this arcing can generate significant heat and lead to fires > white (neutral) wire > ground wire > black (hot) wire > nick in wire or excessive bending creates gap in wire

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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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