Electrical Wall Outlet Wiring Diagram
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Electrical wall outlet wiring diagram. The long slot on the left is the neutral contact and the short slot is the hot contact. A grounded contact at the bottom center is crescent shaped. Wiring a grounded duplex receptacle outlet. Multiple outlet in serie wiring diagram.
For wiring in series the terminal screws are the means for passing voltage from one receptacle to another. In the diagram below a 2 wire nm cable supplies line voltage from the electrical panel to the first receptacle outlet box. The neutral wire from the circuit is shared by both sets. This is a polarized device.
Most electrical codes now require outlets in kitchens and bathrooms to be on separate 20 amp gfci circuits. Outlet wiring diagram pdf 22kb back to wiring diagrams home. Here 3 wire cable is run from a double pole circuit breaker providing an independent 120 volts to two sets of multiple outlets. Any break or malfunction in one outlet will cause all the other outlets to fail.
To wire multiple outlets follow the circuit diagrams posted in this article. The electrical calc elite is designed to solve many of your common code based electrical calculations like wire sizes voltage drop conduit sizing etc. Don t use this receptacle when no ground wire is. This wiring is commonly used in a 20 amp kitchen circuit where two appliance feeds are needed such as for a refrigerator and a microwave in the same location.
If you add an outlet to a kitchen or bath it must be gfci protected. This repeats until the end of the chain. The black wire line and white neutral connect to the receptacle terminals and another 2 wire nm that travels to the next receptacle.