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How many wires per connector, why is the black wire connected to the white, how to install a support bar that does not go to the attic?
Is Black Wire Vs Black Wire With A White Stripe Positive Or Negative
I have one light in the hallway that I decided to replace with two new lights. He has a three-way switch in the office (three-way switch 2) and another in the hallway (three-way switch 1). It appears that the source cable to the bathroom also runs from this box (switch 3).
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Also, none of the switches appear to be grounded…they don’t even have a ground screw. The house was built in 1979. Does this mean I need to upgrade my switches? Also, I’m still trying to figure out how/why the black wire and the white wire are connected to switch box 2. Isn’t the black wire hot and the white wire neutral? I expected to be destroyed.
I plan to run the cable from the existing junction box to the new junction box. I am concerned about the best way to properly connect all the wires. In my current junction box (which I replaced with a wider one) I have a source cable, a bathroom cable and a cable for the 2nd switch. I also need to add a fourth cable that goes to my new box unit. So, should I connect all 4 wires (of each type) to the light wire (5th) in one connector? If so, is there a wire nut that can safely accommodate this configuration? If not, what are my options? Current cables have 14 gauge wire.
Finally, I will install a new ceiling light on the first floor (so there is no access to the attic or space). There is no matching pin to mount the mounting box. Do you have any recommendations for installing joists without removing the ceiling? I hate drywall. ; – P
Oh, one more thing…the terminology above depends on my limited knowledge and may be incorrect. Although I grew up helping my dad double the size of our house, I wasn’t good at heeding its call. I found some words while researching, but I always had to Google what things meant. I appreciate your patience.
Electrical Wire Color Codes: Everything You Need To Know
So if one of the three paths is in this pull, it’s easy. The two travelers (brass screws) can be ignored and considered as a switch between the wires of the (black) screws.
I recommend using colored tape to color code the wires according to their function. Above all, in the lamp box above, black
And the switch is black * both switches are hot. I recommend marking them with red tape.
As for the white wire that is hot in the circuit, which is not an option, the code
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Put it in black (technically any warm color will do). So, mark it black on both ends.
It makes it easy to see what’s happening in your inboxes. Hopefully it will be clear that your fourth cable should go white and black if you want the cable to always be hot, or white and red if you want it to switch to that light.
As for support junction boxes designed to be installed through the last hole in the existing drywall, they do the “old job” of a box with a fan mark. If you put the lamp in the boxes with the price of the fan, I promise not to tell 🙂
The main question is whether the white wire “black white together” in the box “3-way switch 2″ is white in the black-red-white cable and the white in the switch is white, with the cable being black” black and white together”?
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It has two cables. It appears that the 2-wire is the switching circuit. In the switching circuit, one wire is hot and the other wire is hot, but since this is a regular cable, one of those wires is white!
Circuit diagram. The switch has black on and off (hot and heated hot) and white connected neutrals.
Based on all this, you can get the power from the last box for other things (know which black color is hot and of course all the neutrals will be together. Or you can get from a 3- way switch should look like this:
The junction box may contain additional cables leading to other locations. If you’re not sure, take a photo and ask someone else.
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There is a hot tub line that I am trying to connect. There are black, red, white and green wires on the side of the hot tub. There are three black wires and one green wire on the power supply side.
Green used to be associated with green. The three black wires came loose after prolonged exposure to water (see my previous question here).
Now I’m trying to figure out how to connect the three black wires on the power side to the black/red/white on the hot tub side. How do I do this?
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Be very careful when the circuit breaker is off, disconnect all the wires from each other so that the bare ends do not touch.
Turn on the switch so everyone knows what you’re doing. You don’t need children or men with beer daring each other to touch live wires with their tongues.
Measure the voltage from each black wire to the green. Both hot to green should be about 120 volts.
Using a black neutral (even if it’s marked with white tape) is probably against code and has a good chance of not passing inspection depending on the gauge, but I don’t think the gauge is big enough.
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A good thing is that it is in the tube, so it is not difficult to replace it with a white wire.
Remember that the test is done with live energy, so be careful and keep everyone away.
By clicking “I accept all cookies,” you consent to Stack Exchange storing cookies on your device and disclosing information in accordance with our cookie policy. Your home’s wiring is an important part of the home’s electrical system, and if your home was built after 1960 or if the wiring has been updated since then, it’s likely that the electrical wiring meets certain requirements. color pattern. While messing with cables isn’t a good idea for obvious safety reasons, it’s a good idea to have a basic knowledge of wiring rules.
All the wires in your home, regardless of the color code of the electrical cables, can carry electricity at some point. Therefore, it is very important to carefully approach each color. Better yet, consider leaving all electrical work to a qualified, licensed electrician.
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When it comes to residential wiring, there are several colors, from black and white to bare copper to more colorful options such as green, yellow or blue. Understanding the purpose of each color and wire is good, even if you are not a craftsman.
When it comes to cables, one thing to know is that the color of the sheath depends on the use. For example, a white jacket will tell you that the wires inside are 14 gauge, while a yellow jacket will tell you that they are 12 gauge. If you look at the colors of the wires, it depends on the intended purpose.
The National Electrical Code (NEC) states that the neutral wire should be white or gray and the ground wire should be green or bare copper. All other colors are more common, accepted by the industry or standardized by rules.
Black is the standard electrical wire color code for hot wires. It is used to send electricity through all kinds of circuits to outlets and switches. It is also often used to connect a switch to an electrical load, causing them to switch legs in circuits.
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Black wires are always live and very common in normal home wiring. You can see that in many pictures the black wires are called hot. This means that they transfer the energy from your electrical panel to a specific destination. Sometimes white wires marked with electrical tape are allowed for the same purpose, but not vice versa. Therefore, the black wire cannot be used as a ground or neutral wire or for any other purpose.
The red wires are also hot and are called secondary live wires in 240 and 220 volt circuits. They can also be used as switches in some circuits. However, one of the most useful applications of this electrical wire color code is connecting a wired smoke alarm to an electrical system.
You can also use the red wires to connect smoke detectors, so if one
