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Difference Between 12 2 And 12 3 Wire. From past experience Ive learned 12-3 wire can share the same neutral but need to be on opposite bus. Except for a switch loop the black. The best configuration for a specific application depends on a number of factors however the sensor configuration must match with Transmitter otherwise leadwire resistance cancellation circuitry may be ineffective. For 220v you need the 12-3nmb with ground.
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For example a 12-gauge wire with a hot and a neutral black and white wire and a ground would be considered a 12-2 UF wire cable. Only after I went through the painstaking process of wiring it through I found out that red 12-2 is meant for heaters and I was suppose to use yellow 12-2 for what Im using. 12-2 would contain a hot black and a neutral white. 12-2 is 2 12 gauge wires in a cable. Anyways the first number is the wire size the next number is the number of current carrying conductors. 20 two naught pronounced two not is a larger wire and will carry the 200 amps by your codes.
12-2 is 2 12 gauge wires in a cable.
Like above bare ground is not counted. Except for a switch loop the black is used for the hot wire and the white is used for the neutral. You only need 3 wire types. A 20-amp circuit requires wire thats 12. 1 the receptacle is semi controlled top or bottom portion controlled by a switch 2 you have two circuits in the same area Black on one breaker red on another breaker and sharing a neutral That way you only have to run one 3 wire cable instead of two 2 wire cables. Except for a switch loop the black.
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For example a 12-gauge wire with a hot and a neutral black and white wire and a ground would be considered a 12-2 UF wire cable. Twelve gauge is about the thickness of a nickel and 14-gauge is about the thickness of a dime. Older romex did not have a ground but all newer versions today do. 220v needs two hot wires and a neutral. 122 - The Yellow Wire - used to wire plugs.
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2 is good for up to 125 A depending its installation configuration eg. 12-2 cable is three wire cable all 12 gauge. 12-2 is 2 12 gauge wires in a cable. Except for a switch loop the black is used for the hot wire and the white is used for the neutral. So in the image above of 122 sheathed cable there are two twelve gauge insulated conductors plus a bare twelve gauge ground wire.
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So in the image above of 122 sheathed cable there are two twelve gauge insulated conductors plus a bare twelve gauge ground wire. I f youre adding an outlet you need to use wire the same gauge as the existing wiring. In open air in a raceway in a 3 wire cable etc. Like above bare ground is not counted. Also look at the breaker for the circuit in question to see if its a 15-amp or a 20-amp breaker.
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220v needs two hot wires and a neutral. Both designations also typically include a smaller bare copper earth ground conductor. I f youre adding an outlet you need to use wire the same gauge as the existing wiring. 2 is good for up to 125 A depending its installation configuration eg. A three wire cable such as is used with dryers and higher amperage circuits would be a 12-3 UF cable.
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You only need 3 wire types. 142 - The White Wire - used for wiring lights and light switches. You only need 3 wire types. Cable with a designation of 12 - 2 will have a black white and bare ground in the cable set. So in the image above of 122 sheathed cable there are two twelve gauge insulated conductors plus a bare twelve gauge ground wire.
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220 needs 2 hot wires and an insulated neutral PLUS a seperate ground. AWG 123 is used for double breaker 240V 20A max circuits. In the basement I found 12-4 cable Black Red White White WRed Stripe and ground all in one junction box neutrals all wired together and supplying different branch 120 v circuits. So in the image above of 122 sheathed cable there are two twelve gauge insulated conductors plus a bare twelve gauge ground wire. 3-Wire Circuit A 3-wire circuit black red white and the ground cable can be used for feeding two circuits that will share the neutral and ground wire.
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Like above bare ground is not counted. The best configuration for a specific application depends on a number of factors however the sensor configuration must match with Transmitter otherwise leadwire resistance cancellation circuitry may be ineffective. And one is bare no insulation. 3-Wire Circuit A 3-wire circuit black red white and the ground cable can be used for feeding two circuits that will share the neutral and ground wire. So in the image above of 122 sheathed cable there are two twelve gauge insulated conductors plus a bare twelve gauge ground wire.
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From past experience Ive learned 12-3 wire can share the same neutral but need to be on opposite bus. And one is bare no insulation. 142 - The White Wire - used for wiring lights and light switches. Also look at the breaker for the circuit in question to see if its a 15-amp or a 20-amp breaker. Like above bare ground is not counted.
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You only need 3 wire types. Except for a switch loop the black is used for the hot wire and the white is used for the neutral. A three wire cable such as is used with dryers and higher amperage circuits would be a 12-3 UF cable. Twelve gauge is about the thickness of a nickel and 14-gauge is about the thickness of a dime. The best configuration for a specific application depends on a number of factors however the sensor configuration must match with Transmitter otherwise leadwire resistance cancellation circuitry may be ineffective.
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One conductor is black one is white one is red. 12-2 is 2 12 gauge wires in a cable. In this case the wire gauge is fourteen lower numbers mean larger wires and the three indicates that there are three conductor wires in addition to a non-insulated ground wire. How do you tell if your old wiring is 12-gauge or 14-gauge. Like above bare ground is not counted.
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143 - Same as 142 but with an extra red wire in it so you can control the same lights with 2 different switches like for hallways and. Also look at the breaker for the circuit in question to see if its a 15-amp or a 20-amp breaker. 220v needs two hot wires and a neutral. The 2 or 3 refers to the number of ungrounded conductors in a cable such as romex or NM. 1 the receptacle is semi controlled top or bottom portion controlled by a switch 2 you have two circuits in the same area Black on one breaker red on another breaker and sharing a neutral That way you only have to run one 3 wire cable instead of two 2 wire cables.
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2 is good for up to 125 A depending its installation configuration eg. Like above bare ground is not counted. The ground wire is not included in the description as is used only for emergencies. Except for a switch loop the black. 12-2 is 2 12 gauge wires in a cable.
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3-Wire Circuit A 3-wire circuit black red white and the ground cable can be used for feeding two circuits that will share the neutral and ground wire. Like above bare ground is not counted. Again I ask Is this the correct wire size for 200 amp breaker andor what is the difference between 2 and 20. And one is bare no insulation. For example a 12-gauge wire with a hot and a neutral black and white wire and a ground would be considered a 12-2 UF wire cable.
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Cable with a designation of 12 - 3 will have a black white red and bare ground in the cable set 1. Jan 17 2006. Cable with a designation of 12 - 2 will have a black white and bare ground in the cable set. Again I ask Is this the correct wire size for 200 amp breaker andor what is the difference between 2 and 20. I knew there were 2 different colors of 12-2 that being red and yellow but the specifications are identical other than now that I know after the wiring the red 12-2 has a red wire instead of a white one that the yellow has.
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A 20-amp circuit requires wire thats 12. 12-3 cable is four wire cable all 12 gauge. 220 needs 2 hot wires and an insulated neutral PLUS a seperate ground. Except for a switch loop the black. Twelve gauge is about the thickness of a nickel and 14-gauge is about the thickness of a dime.
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2 is good for up to 125 A depending its installation configuration eg. In open air in a raceway in a 3 wire cable etc. 12-2 would contain a hot black and a neutral white. 122 - The Yellow Wire - used to wire plugs. A 2-wire black and white with the ground cable will be used for one hot and one neutral or one circuit.
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Except for a switch loop the black is used for the hot wire and the white is used for the neutral. One conductor is black one is white one is red. For example a 12-gauge wire with a hot and a neutral black and white wire and a ground would be considered a 12-2 UF wire cable. 122 - The Yellow Wire - used to wire plugs. 12-3 cable is four wire cable all 12 gauge.
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I f youre adding an outlet you need to use wire the same gauge as the existing wiring. 143 - Same as 142 but with an extra red wire in it so you can control the same lights with 2 different switches like for hallways and. 2 is good for up to 125 A depending its installation configuration eg. One conductor is black one white and one is bare no insulation. A 20-amp circuit requires wire thats 12.
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