Wire Drawing of a Box
House Circuit Billow Wiring Diagrams
Check permit requirements before beginning electrical piece of work.
How to read these diagrams.
This folio contains wiring diagrams for a service panel breaker box and circuit breakers including: 15amp, 20amp, 30amp, and 50amp as well as a GFCI breaker and an isolated ground excursion.
Excursion Breaker Panel Box Wiring Diagram
This diagram illustrates some of the most mutual circuits found in a typical 200 amp circuit billow service panel box. In a panel box similar this the breakers are installed in two side-by-side rows so that a metal clench on each billow makes contact with one of two hot motorcoach bars running downwards the centre of the box. The hot wire for a co-operative circuit is connected to the breaker by a set spiral on the base. This connects the excursion hot to one of the hot bus bars. The neutral and ground wires for the circuit are connected to a bar along the side of the service panel box. The neutral and grounding bars in the panel may be separate or, in the case of older service panels, the same bar may be used for both purposes.
Wiring for a 15 Amp, 120 Volt Excursion Breaker
This wiring diagram illustrates installing a 15 amp circuit breaker for a 120 volt branch excursion. The 14/ii awg cablevision for this excursion includes 2 conductors and 1 basis wire. A 15 amp circuit is usually used for wall receptacle outlets and room light fixtures.
Wiring for a Double 20 Amp, 120 Volt Circuit Billow
This diagram illustrates the organization for a xx amp, 120 volt double receptacle circuit with a shared neutral wire for a total of 240 volts from the billow. This organization is typically used in a kitchen where two separate 20 amp appliance circuits are needed in close proximity to each other.
Wiring for a 20 Amp, 240 Volt Apparatus Excursion Breaker
This circuit breaker wiring diagram illustrates installing a 20 amp excursion billow for a 240 volt excursion. The 12/2 gauge cable for this circuit includes ii conductors and 1 basis. The white wire is used for hot in this excursion and it is marked with black tape on both ends to identify it as such. A neutral wire is not used in this circuit. A defended twenty amp circuit like this is used for heavy household appliances like big portable window air conditioners.
Wiring for an Old 30 Amp, 240 Volt Circuit Breaker
This is an outdated circuit that may still be constitute in some situations. This wiring is for a thirty amp circuit breaker serving a xxx amp, 240 volt receptacle. The 10/3 cable for this excursion has 3 conductors and no footing. A 30 amp excursion like this may be found in older installations for clothes dryers and perhaps a kitchen cooking range as well.
Wiring Diagram xxx Amp, 240 Volt Excursion Breaker
This is a diagram for a new 30 amp circuit breaker to serve a 30 amp dryer outlet. This is an upgrade of the outdated thirty amp circuit in the previous diagram.
This breaker is connected to a xxx amp receptacle with 10/3 cable and a footing wire is included for protection against electrocution not provided past the older circuit.
Wiring for a 50 Amp, 240 Volt Circuit Breaker
This wiring diagram illustrates installing a fifty amp circuit breaker for a 240 volt circuit. The 6 gauge cable for this excursion has 3 conductors and 1 ground. A 50 amp circuit like this is used for new kitchen range installations.
Wiring a GFCI Circuit Breaker
This diagram illustrates wiring for a circuit billow with a builtin basis fault excursion interrupter or gfci. This 20 amp, 120 volt billow is a class of gfci that tin can exist installed at the excursion source. This kind of circuit is used for dishwashers, whirlpool spas, and other locations where water contact is likely.
Wiring for a xv Amp Isolated Footing Circuit
An isolated-ground receptacle makes utilize of an extra wire to provide a separate, defended ground in the circuit. In a 15 amp excursion, the carmine wire in a 14/3 cablevision is used for this purpose and marked green at both ends. It is connected to the grounding terminal on the receptacle and the ground bar in the breaker box. The other cable wires are connected as with any other branch circuit except for the footing wire. The bare copper footing wire is NOT connected to the receptacle, instead it is connected to the grounding terminal inside the metal outlet box where the receptacle is housed.
A special isolated-ground receptacle is require for this excursion and is connected to a standard circuit breaker. The receptacle can be identified by the orangish color and a small triangle imprinted on the face. When connecting the wires, the isolated ground wire (the cerise wire pictured here) is marked with green tape or paint on each end and connected to the grounding bar in the service panel and to the grounding concluding on the receptacle.
This arrangement is used for computers and sensitive A/5 equipment such every bit a home theater to eliminate racket interference in the audio and video output that tin be caused by the random electrical activeness on the grounding wires throughout a dwelling's electrical system. These are also required in hospitals where sensitive medical monitors may be affected by grounding noise in the wiring which tin can cause disruption in their disquisitional functions.
Source: https://www.do-it-yourself-help.com/circuit-breaker-wiring-diagrams.html
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