Related illustrations

0546.5

Ground wires let breakers trip

· p. 91

The illustration shows an electrical service panel with a main breaker, branch-circuit breakers, bus bars, neutral bus bars, and grounding terminals. Incoming service conductors enter at the upper right, and a grounding

0514

Underground electrical service

· p. 86

The illustration shows a house supplied by underground electrical service, with an enlarged section at the service entrance. Service laterals run below grade beneath a driveway and curve upward along the exterior of the

0547

Electrical path for ground and neutral wires

· p. 92

The illustration shows an electrical service panel beside a basement foundation wall and floor framing. A green grounding conductor runs from a terminal bar inside the panel to a connection on the incoming supply plumbin

0550

Electrical path for ground and neutral wires

· p. 92

The illustration shows an open main electrical panel beside a basement foundation wall and floor framing. A green grounding conductor runs from a terminal bar in the panel to a connection on the incoming water supply pip

0542

Main breakers must be properly sized

· p. 91

The illustration shows an electrical service panel with its cover removed, exposing a main breaker, branch circuit breakers, bus bars, neutral bus bar, and grounding terminal. Service entrance wires enter at the upper ri

0579

Staggered bus bars on circuit breaker panels

· p. 98

The illustration shows an open circuit breaker distribution panel with service conductors feeding a main breaker and staggered bus bars supplying branch circuit breakers. The interleaved bus bar arrangement places adjace

0574

Neutral and ground separated in subpanels

· p. 97

The illustration shows an electrical subpanel with its cover removed, exposing circuit breakers, bus bars, neutral terminals, and grounding terminals. Red and black feeder conductors from the main panel supply the bus ba

0554

Neutral and ground separated in subpanels

· p. 93

The illustration shows an electrical subpanel with feeder conductors entering from the main panel, two hot bus bars, circuit breakers, neutral bus bars, and grounding terminals. The feeder grounding wire connects to a te