Author Topic: I need Electric Help... Any electricians out there?  (Read 58327 times)

Online Yo ssi

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Re: I need Electric Help... Any electricians out there?
« Reply #580 on: April 08, 2021, 09:05:42 PM »
Are there any off the shelf products that can sense when a garage door lock is locked or open. With a light turning on when it's unlocked. It's a standard sliding lock like this

Can you fit a regular door open sensor there?

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Re: I need Electric Help... Any electricians out there?
« Reply #581 on: April 08, 2021, 09:56:54 PM »
Can you fit a regular door open sensor there?
I don't think so. Here's another picture from a different angle

I'd have to measure how wide that slot is. Maybe I can use a thin (neodymium) magnet or if possible magnetize the sliding lock itself but I doubt it would be strong enough

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Re: I need Electric Help... Any electricians out there?
« Reply #582 on: April 08, 2021, 10:31:06 PM »
Actually a light wouldn't be so feasible. Just being able to check via an app if anything is unlocked would be most realistic

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Re: I need Electric Help... Any electricians out there?
« Reply #583 on: April 08, 2021, 11:55:22 PM »
I don't think so. Here's another picture from a different angle

I'd have to measure how wide that slot is. Maybe I can use a thin (neodymium) magnet or if possible magnetize the sliding lock itself but I doubt it would be strong enough
It shouldn't be an issue

Something like this or perhaps better on the other side:


https://amazon.com/dp/B07YDF7967/

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Re: I need Electric Help... Any electricians out there?
« Reply #584 on: April 26, 2021, 07:19:53 PM »
Can anyone here recommend an electrician in Flatbush please

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Re: I need Electric Help... Any electricians out there?
« Reply #585 on: May 27, 2021, 01:36:51 PM »
Have an old switch with some really old wiring, I'm looking to create an additional outlet from.

The question is if any of these wires are neutral. Is it possible number 4 and 5 is a neutral wire even though it's such old wiring?

So for some background it seems there used to be 2 switches, so all the wiring is in a 2 gauge box, but the left side was covered over so it's hard to see the wiring there.
Unfortunately I can't seem to find the fuse to turn it off.





1. Live (tested) (black)
2. Live (I believe the same wire as 3) (tested) (black)
3. Live in to the switch (tested) (black)
4. Not live (possibly white)
5. Looks to be the same wire as 4
6. Wire to bulb (tests live when switch is on) (red)




Offline ushdadude

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Re: I need Electric Help... Any electricians out there?
« Reply #586 on: May 27, 2021, 01:59:26 PM »
Have an old switch with some really old wiring, I'm looking to create an additional outlet from.

The question is if any of these wires are neutral. Is it possible number 4 and 5 is a neutral wire even though it's such old wiring?

So for some background it seems there used to be 2 switches, so all the wiring is in a 2 gauge box, but the left side was covered over so it's hard to see the wiring there.
Unfortunately I can't seem to find the fuse to turn it off.





1. Live (tested) (black)
2. Live (I believe the same wire as 3) (tested) (black)
3. Live in to the switch (tested) (black)
4. Not live (possibly white)
5. Looks to be the same wire as 4
6. Wire to bulb (tests live when switch is on) (red)
an electrician told me that if it's an old metal box, you can connect the neutral directly to the box and often it words. Something about the ground crossing over with neutral. Don't really understand it.
Trolls will always post stupid replies

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Re: I need Electric Help... Any electricians out there?
« Reply #587 on: May 27, 2021, 02:09:19 PM »
an electrician told me that if it's an old metal box, you can connect the neutral directly to the box and often it words. Something about the ground crossing over with neutral. Don't really understand it.
Update I found the box and it turns out it was connected to 2 fuses.

Now the only question is how to test if that wire is neutral or if it matters. Is it dangerous to assume it's a neutral?




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Re: I need Electric Help... Any electricians out there?
« Reply #588 on: May 27, 2021, 02:14:03 PM »
an electrician told me that if it's an old metal box, you can connect the neutral directly to the box and often it words. Something about the ground crossing over with neutral. Don't really understand it.
The ground and neutral in theory should be the same. The problem is this causes many problems with the conduit and boxes not making good connections. It short, dangerous to do.
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Re: I need Electric Help... Any electricians out there?
« Reply #589 on: May 27, 2021, 02:18:14 PM »
Update I found the box and it turns out it was connected to 2 fuses.

Now the only question is how to test if that wire is neutral or if it matters. Is it dangerous to assume it's a neutral?
Don't assume it is the neutral.
You're so far up Trump's a** you can see Giuliani's feet.  HT Baruch

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Re: I need Electric Help... Any electricians out there?
« Reply #590 on: May 27, 2021, 02:20:08 PM »
Don't assume it is the neutral.
How can I test it?

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Re: I need Electric Help... Any electricians out there?
« Reply #591 on: May 27, 2021, 02:26:12 PM »
How can I test it?
You test each wire with a meter to a known ground source.
You're so far up Trump's a** you can see Giuliani's feet.  HT Baruch

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Re: I need Electric Help... Any electricians out there?
« Reply #592 on: May 27, 2021, 02:36:37 PM »
You test each wire with a meter to a known ground source.
How can I confirm the wire isn't a ground? If a take a known ground source on one end and this wire on the other, whether it's a ground or a neutral, the results should be the same, no?

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Re: I need Electric Help... Any electricians out there?
« Reply #593 on: May 27, 2021, 02:54:57 PM »
How can I confirm the wire isn't a ground? If a take a known ground source on one end and this wire on the other, whether it's a ground or a neutral, the results should be the same, no?
It depends on your setup. In my main electrical box the ground and natural are tied together. You can interchange them but shouldn't.

This is getting a little over my pay grade and hopefully a licensed electrician can answer. I have never run into this problem.
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Re: I need Electric Help... Any electricians out there?
« Reply #594 on: May 27, 2021, 04:07:27 PM »
Ground and neutral tied together at the base makes sense, if I understand correctly the neutral only needs to be separated by the actual breaker to test if the current matches the hot.

I think it's safe to assume that such old wiring as unlikely as it it was to have a neutral wire by a switch, I believe it wasn't common practice to include ground at all, and definitely not through a regular wire.

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Re: I need Electric Help... Any electricians out there?
« Reply #595 on: May 27, 2021, 04:10:19 PM »
I think it's safe to assume that such old wiring as unlikely as it it was to have a neutral wire by a switch, I believe it wasn't common practice to include ground at all, and definitely not through a regular wire.

But

What's black and crispy and hangs from a chandelier?

An amateur electrician.
« Last Edit: May 27, 2021, 04:15:50 PM by yakov116 »
Money talks...mine says goodbye!

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Re: I need Electric Help... Any electricians out there?
« Reply #596 on: May 27, 2021, 06:24:54 PM »
Is there anyone here who's not an amateur?

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Re: I need Electric Help... Any electricians out there?
« Reply #597 on: May 27, 2021, 08:18:04 PM »
Is there anyone here who's not an amateur?

+1

Anyone here a licensed electrician in NYC?

I'm thinking about going into the field and could use some advice

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Re: I need Electric Help... Any electricians out there?
« Reply #598 on: May 28, 2021, 12:29:03 AM »
Update:

Number 2 was the real live which was powering number 1 and 3. There's definitely something wrong with the wiring, when fuse x and y are off the live turns off bit if either x or y is on number 2 gets power. I assume there was some connection made between to wires somewhere in the house.

As for my original goal, it's now complete with a new working outlet.

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Re: I need Electric Help... Any electricians out there?
« Reply #599 on: May 28, 2021, 05:25:10 AM »
Are the top two BX cables the only the only places wires go in/out of the box? Does BX on top left have two wires and BX on top right have 3 wires?
Wires #4 & 5 are tied together with the red wire nut?
You're so far up Trump's a** you can see Giuliani's feet.  HT Baruch