Author Topic: I need Electric Help... Any electricians out there?  (Read 41431 times)

Offline David R

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Re: I need Electric Help... Any electricians out there?
« Reply #195 on: September 20, 2018, 11:17:53 PM »
I think you read what I wrote wrong.

Can you please link to wiring diagrams where the white (neutral) wire is switched? If you are going to use a white wire as a switched wire you should mark it somehow with like black tape.

This is the part I don't get: "New wiring- I left the white wires where they were on the old switches,"
Why is there white wires on the switch?
You equate white with neutral. It's not always used that way. For example, if the first segment of cable goes from the circuit breaker panel to a ceiling light fixture and a second segment of cable goes from the ceiling light fixture to a wall switch, that second segment will have a black insulated wire that is always hot and a white insulated wire that is hot when the switch is on.

Offline ChaimMoskowitz

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Re: I need Electric Help... Any electricians out there?
« Reply #196 on: September 20, 2018, 11:21:50 PM »
You equate white with neutral. It's not always used that way. For example, if the first segment of cable goes from the circuit breaker panel to a ceiling light fixture and a second segment of cable goes from the ceiling light fixture to a wall switch, that second segment will have a black insulated wire that is always hot and a white insulated wire that is hot when the switch is on.
If the white is going to be used as a switched wire (hot) it needs to be marked. Most will use black tape.
ETA: White wires are neutral in 110V circuits unless marked otherwise.
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Offline David R

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Re: I need Electric Help... Any electricians out there?
« Reply #197 on: September 20, 2018, 11:25:20 PM »
If the white is going to be used as a switched wire (hot) it needs to be marked. Most will use black tape.
ETA: White wires are neutral in 110V circuits unless marked otherwise.
I agree. But how do you know that most will use black tape? Maybe most will forget or ignore the requirement; after all, it works just the same without marking it.

Offline ChaimMoskowitz

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Re: I need Electric Help... Any electricians out there?
« Reply #198 on: September 20, 2018, 11:34:05 PM »
I agree. But how do you know that most will use black tape? Maybe most will forget or ignore the requirement; after all, it works just the same without marking it.
That is why I said someone messed up the wiring and it doesn't work the same way. If you think it does you hold the white wire and touch something grounded.  :)
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Offline David R

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Re: I need Electric Help... Any electricians out there?
« Reply #200 on: September 21, 2018, 12:13:24 AM »
Like in this post?
No, I meant a diagram showing every wire.

Offline ChaimMoskowitz

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Re: I need Electric Help... Any electricians out there?
« Reply #201 on: September 21, 2018, 12:20:07 AM »
Like in this post?
Need to mark the colors of the wires.  ;)
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Re: I need Electric Help... Any electricians out there?
« Reply #202 on: September 23, 2018, 03:36:50 PM »
"Original wiring was two simple switches, each on had a hot wire (line)"
Did you connect both of these to each other and to a single terminal of the new switch? My concern would be if they previously were controlled by two separate circuit breakers, in which case they shouldn't be connected to each other. How could you verify that now without undoing it? Turn off all circuit breakers except the main. Then turn on one at a time while someone watches the timer. If more than one of them causes the timer to come to life, you have a problem.

Good point! The two switches were on the same breaker, so no issue.

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Re: I need Electric Help... Any electricians out there?
« Reply #203 on: September 23, 2018, 03:45:00 PM »
You equate white with neutral. It's not always used that way. For example, if the first segment of cable goes from the circuit breaker panel to a ceiling light fixture and a second segment of cable goes from the ceiling light fixture to a wall switch, that second segment will have a black insulated wire that is always hot and a white insulated wire that is hot when the switch is on.

+1. I never said the wires were neutral, I called them LOAD but not everyone understood, so I said white. Plus, I specifically mwntioned that I dug out the neutral wires from in the box. Appreciate you being helpful.

Offline ChaimMoskowitz

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Re: I need Electric Help... Any electricians out there?
« Reply #204 on: September 23, 2018, 08:03:39 PM »
Just so everyone understands you never use white for load, line, hot in a 110v circuits. We call these guys "schlocks".  :)
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Offline Meno

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Re: I need Electric Help... Any electricians out there?
« Reply #205 on: October 10, 2018, 12:55:20 PM »
I have a room with no lights, only an outlet connected to a light switch.

I want to put in recessed lighting. Thinking of using these:

Designers Fountain EV407941WH27 Modern Easy Up 4 inch 2700K Warm White 91 CRI Integrated Led Recessed Light with J-Box (No Can Needed) - - Amazon.com ($21.17)



Never done this before. Anyone have any tips for me before I start cutting holes and fishing wires?

Offline David R

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Re: I need Electric Help... Any electricians out there?
« Reply #206 on: October 11, 2018, 12:55:52 AM »
I have a room with no lights, only an outlet connected to a light switch.

I want to put in recessed lighting. Thinking of using these:

Designers Fountain EV407941WH27 Modern Easy Up 4 inch 2700K Warm White 91 CRI Integrated Led Recessed Light with J-Box (No Can Needed) - - Amazon.com ($21.17)



Never done this before. Anyone have any tips for me before I start cutting holes and fishing wires?
The pic looks like it has holes for NM cable and the product description does not clarify what other holes are available on the junction box. If it does not have holes for metal cable, it may not be suitable for locations that require metal cable. So if your locale does not allow NM, you should pose this question on Amazon.
« Last Edit: October 11, 2018, 01:00:25 AM by David R »

Offline ChaimMoskowitz

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Re: I need Electric Help... Any electricians out there?
« Reply #207 on: October 11, 2018, 01:12:08 AM »
The pic looks like it has holes for NM cable and the product description does not clarify what other holes are available on the junction box. If it does not have holes for metal cable, it may not be suitable for locations that require metal cable. So if your locale does not allow NM, you should pose this question on Amazon.
https://www.lbclighting.com/media/uploads/instructsheet/EV407941-install.pdf
This product is designed to be used with NM (Romex) cables only.
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Offline Meno

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Re: I need Electric Help... Any electricians out there?
« Reply #208 on: October 11, 2018, 08:21:02 AM »
The pic looks like it has holes for NM cable and the product description does not clarify what other holes are available on the junction box. If it does not have holes for metal cable, it may not be suitable for locations that require metal cable. So if your locale does not allow NM, you should pose this question on Amazon.

Thanks. How do I find out if Romex is allowed? I have a whole bunch of old Romex running through my basement. Can I assume it's fine?

Separate question: Should I replace all the old Romex in the basement?

Offline ChaimMoskowitz

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Re: I need Electric Help... Any electricians out there?
« Reply #209 on: October 11, 2018, 09:01:53 AM »
Thanks. How do I find out if Romex is allowed? I have a whole bunch of old Romex running through my basement. Can I assume it's fine?

Separate question: Should I replace all the old Romex in the basement?
Don't assume Romex is code. With that being said there is no issue with Romex.
I just found a new supply of forks!