Residential Wiring Neutral Ground

Residential Wiring Neutral Ground - b Another power device...

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Residential Wiring: Hot and Neutral, Ground and Safety Grounded conductor (neutral; white) – carries operating current. Grounding conductor (green) – normally does not carry operating current. ____________________________________________________________ _ Consider a 3-wire system, black (hot; 120 0), red (hot; 120 180), white (neutral), and green (ground). a) A power device can be connected between black and neutral, and a current at 0 will flow from the black and return via the neutral.
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Unformatted text preview: b) Another power device can be connected between red and neutral, and a current at ∠ 180 will flow from the red and return via the neutral. c) If these were perfectly balanced, then zero net current flows through the neutral. d) However, this is not usually the case. Hence, there will be generally some neutral current. Nevertheless, the combined neutral current is less than each (hot) line current, and this results in reduced power loss....
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Residential Wiring Neutral Ground - b Another power device...

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