blue wires in my junction box If you're used to seeing black, it's because common /2 cables are made in black and white, but better electricians who color-code wires will tend to use red for switched-hot. As an electrician: It's really common for wires to .
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0 · wire in junction box
1 · red wire junction box
2 · junction box wiring problems
3 · junction box wiring identification
4 · junction box wiring diagram
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If you look inside the box where the switch is, you'll see that it is connected between the black and red wires. When the switch is off, the red wire is not connected to anything at all, so it shows . Before pre-made cables were the norm, though, electricians would run empty tubing between the main panel and the wall and ceiling boxes and .
There is a junction box with a plate on it that is labeled "Fan Control", and has a blue wire, and a red wire, wirenutted together inside. Right above this box is another box with . Black wires are hot wires that run to the electrical outlet from the switch. Red wires are hot wires common in a 240-volt outlet or when a wall switch controls the outlet. Blue and yellow wires are hot wires for ceiling fans and . Use wire connectors or junction boxes, and ensure that the wire colors match their intended purposes (e.g., black to black for hot wires, white to white for neutral wires, and green or bare copper for ground wires). If you're used to seeing black, it's because common /2 cables are made in black and white, but better electricians who color-code wires will tend to use red for switched-hot. As an electrician: It's really common for wires to .
Here's a rundown of electrical wires: The black wire is the "hot" wire, it carries the electricity from the breaker panel into the switch or light source. The white wire is the "neutral" wire, it takes any unused electricity and current and sends it back .
Pull all the wires out of the box without disconnecting anything else. If you've just put any of those wires together randomly... take them back apart. Post a picture or two so we can see all the wiring.
I'm installing a Lutron Caseta smart switch. It has 3 wire: black, blue & red. (Of course ground) The wires from my wall are: black, white and red. I believe the traveler wire for .If you look inside the box where the switch is, you'll see that it is connected between the black and red wires. When the switch is off, the red wire is not connected to anything at all, so it shows zero volts to any other wire (because of the finite impedance of the voltmeter). Before pre-made cables were the norm, though, electricians would run empty tubing between the main panel and the wall and ceiling boxes and filled the tubing with a variety of different wire.
Yellow and Blue Wires. These wires usually come in pairs and pulled in conduits. They are used as hot wires and control electrical items like lights, switched outlets, and fans. Blue wires are generally used in a three-way and four-way switch applications by travelers. On the other hand, yellow wires are used as switch legs. Copper and Green Wires There is a junction box with a plate on it that is labeled "Fan Control", and has a blue wire, and a red wire, wirenutted together inside. Right above this box is another box with the thermostat control (has power/is working).
Black wires are hot wires that run to the electrical outlet from the switch. Red wires are hot wires common in a 240-volt outlet or when a wall switch controls the outlet. Blue and yellow wires are hot wires for ceiling fans and three- or four-way switches. White or gray electrical wires are neutral wires.
Use wire connectors or junction boxes, and ensure that the wire colors match their intended purposes (e.g., black to black for hot wires, white to white for neutral wires, and green or bare copper for ground wires). If you're used to seeing black, it's because common /2 cables are made in black and white, but better electricians who color-code wires will tend to use red for switched-hot. As an electrician: It's really common for wires to enter a box, and then continue onward to .
Here's a rundown of electrical wires: The black wire is the "hot" wire, it carries the electricity from the breaker panel into the switch or light source. The white wire is the "neutral" wire, it takes any unused electricity and current and sends it back to the breaker panel. Pull all the wires out of the box without disconnecting anything else. If you've just put any of those wires together randomly... take them back apart. Post a picture or two so we can see all the wiring.
I'm installing a Lutron Caseta smart switch. It has 3 wire: black, blue & red. (Of course ground) The wires from my wall are: black, white and red. I believe the traveler wire for the Caseta is the bl . read moreIf you look inside the box where the switch is, you'll see that it is connected between the black and red wires. When the switch is off, the red wire is not connected to anything at all, so it shows zero volts to any other wire (because of the finite impedance of the voltmeter).
wire in junction box
Before pre-made cables were the norm, though, electricians would run empty tubing between the main panel and the wall and ceiling boxes and filled the tubing with a variety of different wire. Yellow and Blue Wires. These wires usually come in pairs and pulled in conduits. They are used as hot wires and control electrical items like lights, switched outlets, and fans. Blue wires are generally used in a three-way and four-way switch applications by travelers. On the other hand, yellow wires are used as switch legs. Copper and Green Wires There is a junction box with a plate on it that is labeled "Fan Control", and has a blue wire, and a red wire, wirenutted together inside. Right above this box is another box with the thermostat control (has power/is working). Black wires are hot wires that run to the electrical outlet from the switch. Red wires are hot wires common in a 240-volt outlet or when a wall switch controls the outlet. Blue and yellow wires are hot wires for ceiling fans and three- or four-way switches. White or gray electrical wires are neutral wires.
Use wire connectors or junction boxes, and ensure that the wire colors match their intended purposes (e.g., black to black for hot wires, white to white for neutral wires, and green or bare copper for ground wires). If you're used to seeing black, it's because common /2 cables are made in black and white, but better electricians who color-code wires will tend to use red for switched-hot. As an electrician: It's really common for wires to enter a box, and then continue onward to .Here's a rundown of electrical wires: The black wire is the "hot" wire, it carries the electricity from the breaker panel into the switch or light source. The white wire is the "neutral" wire, it takes any unused electricity and current and sends it back to the breaker panel. Pull all the wires out of the box without disconnecting anything else. If you've just put any of those wires together randomly... take them back apart. Post a picture or two so we can see all the wiring.
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Sigma's weatherproof one-gang boxes provide a junction for conduits and can house a single wired device such as a receptacle or switch. They can also be used to mount lampholders and lighting systems in outdoor applications.
blue wires in my junction box|wire in junction box