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Questions tagged [doorbell]

Installing, troubleshooting or repairing a doorbell.

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Doorbell transformer - number and color of wires

I am replacing my very old doorbell transformer to adequately power my new video doorbell. The new transformer has a black, white, and green wire. However, the outlet/box it will be connected to only ...
Isa Cor's user avatar
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0 answers
29 views

Moving airphone display panel mount to a stud which currently has a switch panel

My airphone bell display is currently mounted as shown. I would like to move it about a foot to the right of where it currently is. There is a switch panel on the same stud. The box on which the ...
ks1954's user avatar
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0 votes
1 answer
66 views

Is the copper wire the grounding wire? doorbell transformer

I just got a Eufy doorbell and apparently I have to change the transformer. I got the upgraded transformer and saw some videos on it saying just to connect the white to the white, black to the black, ...
jocejoce's user avatar
0 votes
1 answer
87 views

How do I replace a video doorbell with Cat5 wiring in place?

I'm trying to replace a video doorbell in my new house. The installed video doorbell wiring was using two of the wires each of a 2 CAT5 cables. At the transformer: two Cat5 cables are coming out of ...
Dennis's user avatar
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0 votes
1 answer
67 views

How do I fix doorbell buttons ring but do not light?

I had a lighted front (ding dong) and back (ding) doorbell that were both working. When the front button stopped ringing but was lit and the back button rang but stopped lighting, I replaced both ...
scratchbaker's user avatar
1 vote
1 answer
63 views

Doorbell transformer for aluminum wiring

From other posts it seems clear I need to update my transformer to 16V 30 VA in order to handle my wired Google Nest doorbell when the weather turns cold. My existing transformer is wired directly to ...
Alex's user avatar
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0 votes
1 answer
80 views

Can you increase volt-ampere (VA) rating of a doorbell chime without issue?

I'm looking to replace a 16VAC/10VA doorbell transformer with a 16VAC/30VA one—to accommodate a new video doorbell. I'd like to keep the existing mechanical chime, which is rated 16VAC/10VA. Will ...
Ian Storm Taylor's user avatar
0 votes
1 answer
2k views

Which circuit breaker is for the doorbell? [closed]

I am trying to install a wired Simplisafe doorbell. I tested with a voltmeter but maybe it doesn’t detect anything because the voltage is low? Any way to be safer if I can’t find this transformer? ...
Lidiya's user avatar
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0 votes
1 answer
159 views

Hardwiring an old Friedland 454 doorbell chime. HELP!

Hi I have an old doorbell chime that is run off batteries. I believe it is the Friedland 454. I would like to attach a ring doorbell to it but don't think it will work as its not hardwired. So ...
Ruby Flowers's user avatar
2 votes
1 answer
248 views

No ground on door bell transformer

I replaced my doorbell transformer last night with a higher power one in preparation for a video doorbell. When I took the old transformer out (it was attached to my main panel via knockout and piggy ...
4evercurious's user avatar
0 votes
1 answer
290 views

How to make old landline phone ringer into doorbell

Ok sorry for the title but I can't think of better wording. Now I have an old secondary phone ringer that was in my Dad's garage that I took out of there when my mom moved after he passed. You could ...
rasmukri's user avatar
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1 vote
2 answers
63 views

What part of my clearly broken doorbell should I replace?

My doorbell has been doing strange things lately. Symptoms: When someone presses the doorbell button outside, sometimes the doorbell does not ring, and instead starts buzzing until the button outside ...
iLikeDirt's user avatar
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0 answers
138 views

Nest Doorbell 2nd generation Interior chime buzzing not ringing

Today I got a nest doorbell 2nd generation and installed it. Doorbell chime is working fine but interior chime ringing is not working it’s buzzing when you press the door bell. Here is the screenshot ...
Ajax's user avatar
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4 votes
2 answers
5k views

What’s the ampacity for 18 AWG wire, at 24 V AC

I’m wiring up some door bells for my company. Have at 120v to 24vAC 50VA transformer. The length of wire is somewhere around 200ft at it longest single length. I’m just wondering what’s the max amp ...
Dalton's user avatar
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1 vote
1 answer
3k views

Buzzing from doorbell transformer?

I have a Nest Wired Doorbell (gen 2). The transformer that was already in my house was not powerful enough to drive the doorbell, so I replaced it with a transformer I found at Home Depot. This was ...
Jason Axelrod's user avatar
2 votes
2 answers
86 views

Questions/Guidance on Replacing a (Doorbell?) Transformer

A few questions/concerns centered around the transformer in pictures that I am pretty sure has failed. I'm not an electrician so I'll do my best to provide information but it's been a struggle for me ...
AA040371's user avatar
  • 483
1 vote
1 answer
327 views

Wired video door bell camera - voltage/transformer questions [closed]

I'm trying to install a Eufy dual video doorbell camera, wired. I came up to a snag when I tried to verify my voltage output. This camera requires 16-24V 30VA output. Looking at my transformer in my ...
matas eitmantis's user avatar
1 vote
0 answers
75 views

Doorbell transformer diagnosis

I heard a buzzing noise in the attic in a relatively new to us house, have since learned what a doorbell transformer is, and am trying to figure out what's wrong here. The facts: The buzzing was ...
rolfthegolf's user avatar
0 votes
2 answers
180 views

Mounting doorbell camera on brick facade

Unfortunately according to the mounting template, one screw hole would be in the brick and the other would be in that mess of polyurethane non-sag sealant. I'm not sure what my options are as I don't ...
sbadams's user avatar
0 votes
1 answer
78 views

24V AC HVAC transformer idle draw

I have a 40VA 24V and an 80VA 24V in my house, one which supplies doorbell power, the other for HVAC. What is the typical idle draw/standby loss for each of these 24V AC transformers when powered but ...
user173643's user avatar
0 votes
1 answer
1k views

Using Cat5 cable for powering doorbell and wire gauges

The house I moved into had a cat5 cable running from their video doorbell to their base unit instead of a "regular" 2 conductor wire (that I've seen in previous places). I want to upgrade to ...
Marc J's user avatar
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0 votes
1 answer
142 views

Existing doorbell has only A1 and A2 wires -- want to replace with different smart doorbell

I'm replacing the doorbell in the house I just moved into. Currently, there is some Aiphone setup (never heard of this). What I do know is that the current doorbell camera has two wires (A1 and A2) ...
Marc J's user avatar
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3 votes
3 answers
5k views

Old doorbell transformer wired directly into electrical box, don’t know how to disconnect without cutting the wires?

Total amateur here. I’ve watched multiple video tutorials on replacing an old doorbell transformer with a new one, and none seem to address my particular set-up. My old transformer is attached to the ...
user171779's user avatar
0 votes
1 answer
718 views

Need to replace doorbell chime. How to test for voltage without old chime

I had an old nutone doorbell chime. Previous owners smoked and it was nasty so I threw it away. I should have looked at it to see what replacement chime to buy. So now I have two red wires, and 2 ...
oilers128's user avatar
  • 369
0 votes
2 answers
2k views

Replacing an existing 2-wire doorbell transformer with a 3-wire transformer

My newly installed Ring Doorbell Pro 2 wasn't functioning properly due to low voltage and Ring sent me a new transformer (specific product here here). When I went to remove the doorbell chime from the ...
AndrewC's user avatar
  • 103
0 votes
1 answer
302 views

UK telephone wiring for smart doorbell? Is it strong rated enough?

I've just bought a reolink wifi doorbell, which says you can use the previous doorbell wiring to connect it up, so long as it's got the right voltage. I'm pretty sure mine currently doesn't as the ...
Russ Wheeler's user avatar
1 vote
1 answer
577 views

How can an ethernet cable from a POE doorbell be embedded in the side frame of the door?

I have a POE doorbell with a CAT6 cable coming from the attic. How can I create a vertical straight channel on the side of the door to embed the cable? I have a trim router, but it is too deep to ...
kenneth's user avatar
  • 13
0 votes
1 answer
88 views

how to mute an entryphone

I have this old entryphone and need to find a way to mute it. And if possible, connect it to a switch, so I can easily mute and unmute it. Can anybody help, please? I have to mute it, because from ...
John's user avatar
  • 13
0 votes
1 answer
151 views

What is this? Part of my doorbell chime?

What is this? It's inside a closet up high on the wall. On the other side of the wall is my doorbell chime but they don't line up, they're a few inches off. Is this part of it or something else? it ...
Pete's user avatar
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0 votes
0 answers
139 views

How to wire this NuTone doorbell?

There’s a 120v outlet right behind the bell. I feel like it’s missing power and the two wires are connected to only the outdoor switch. I believe the outdoor switch glows but there’s no power/sound ...
user169401's user avatar
2 votes
1 answer
572 views

Mechanical doorbells (connected to NEST doorbell) won't stop moving

I have two Nest doorbells that I view through Google Home. Both are connected to mechanical doorbell ringers and both of those ringers are constantly in motion. See the pictures attached. The small ...
Sam F's user avatar
  • 21
0 votes
1 answer
40 views

Removing Fixture while Keeping Doorbell Power

I am in the process of finishing our basement and I'm removing old lightbulb ceiling fixtures. One had power passthrough to a low voltage doorbell. For the other fixtures I've been capping the wires ...
PanocideX's user avatar
3 votes
1 answer
2k views

Modernizing an old doorbell chime box

I have an old doorbell chime box that I'm looking to "modernize". Here are some pictures: https://imgur.com/a/SpWGeio For the chime box itself, I'm looking to probably just purchase a new ...
sir_thursday's user avatar
6 votes
4 answers
3k views

Moving my doorbell to the outside of the door jamb

So, I got a new externally mounted screen for my front door: I want to mount to the outside of my front door: However, the doorbell is on the door frame, right where the right side of the screen ...
jnadro52's user avatar
  • 163
1 vote
1 answer
177 views

Old chime doorbell - how to connect to a switch to silence it overnight

I have an old doorbell and need to connect it to a switch. I get some people ringing at 4am and need to be able to disconnect it. Can anybody help, please? Which cable is the one to use? and how to do ...
John's user avatar
  • 13
4 votes
1 answer
2k views

Can I use old doorbell chime wiring to add a plug-in outlet?

I just took out an old doorbell chime and its wiring is near where I would love to plug in a lamp but there's no plug-in receptacle. Can I remove the old wiring from the existing box and use it for a ...
Gabe's user avatar
  • 41
0 votes
1 answer
230 views

2 transformers for 1 doorbell. How do I choose a new one

As with another post I have older home, and someone wired 2 transformers for a doorbell in parallel. After a panel change, bell doesn’t work. Replies said that a single, proper transformer would be ...
David K's user avatar
1 vote
2 answers
2k views

ring video door bell pro 2 blows the ring hard wired transformer but works fine with plug in power adapter

My ring video door bell pro 2 blows the ring hard wired transformer ( 120V AC 60 Hz power input with 16V 30VA power output) but works fine with plug in power adapter. This happened thrice. Can any one ...
Chaitanya Gudala's user avatar
3 votes
1 answer
138 views

Is it possible to replace an ISDN telephone system with recent/modern hardware?

I've often seen houses where there is the following setup: when somebody rings the bell at the door the telephones inside will ring when you pick up the phone you can talk to the person at the door ...
zomega's user avatar
  • 131
2 votes
1 answer
2k views

Can I cover up a doorbell transformer?

The doorbell transformer is located on the opposite wall from my doorbell. It is attached to a garage wall, uncovered. It is ugly. My question is: Can I cover it?
Linda's user avatar
  • 21
0 votes
0 answers
166 views

Replacing an apartment interphone (2 wires)

I live in an apartment and my intercom died. I can't find the brand of the current one, but it's probably decades old. It transmit voices from the street + a button to open the door. I dismounted the ...
Kameleon's user avatar
-1 votes
2 answers
2k views

Can I use a Doorbell 24v transformer as a C-Wire transformer?

Can I use my currently working 1970s doorbell 24v transformer as a C-Wire transformer? I'm installing a Honeywell Home Wi-Fi 7-Day Programmable Thermostat (RTH6580WF), Requires C Wire. I ordered a ...
Greatczar's user avatar
1 vote
2 answers
2k views

Doorbell and Thermostat appear to be on shared Transformer. What is best approach to replace?

I am replacing my ring doorbell with a Unifi G4 Doorbell and when I hooked it up, I was alerted that the power was too low. Through some searching I discovered that I need to replace my transformer. I ...
Dan Drews's user avatar
  • 173
1 vote
0 answers
207 views

Trying to install Ring Doorbell 3 which has 2 wires where the existing button has 3 wires

Trying to replace my doorbell with the Ring Doorbell 3 and not sure how to identify which are the wires I need to connect to the ring doorbell. I'm replacing an intercom doorbell with 3 wires and I ...
nywebman2's user avatar
1 vote
1 answer
330 views

Find exact location of a wire inside wall

Trying to wire a doorbell. I found an existing hole from the basement going into part of the front door frame. The house was re-sided by the prior owner and they did not have any doorbell installed at ...
Cyph's user avatar
  • 113
2 votes
2 answers
1k views

Ring Doorbell Not Getting Enough Power

My ring wired doorbell is not getting enough power. The transformer has multiple options but is currently set at 8V 20VA and the chime state 16VAC 10VA. Can I switch the load of the transformer to 16V ...
Diy_newbie_tx's user avatar
1 vote
1 answer
5k views

No ground wire doorbell transformer

Recently got a new video doorbell and noticed that it was flaky, especially at night when the IR was active. Tech support suggested my 16v 10va transformer could be the reason and suggested a 24v/40va ...
Vance's user avatar
  • 11
0 votes
0 answers
320 views

Doorbell has 16 volts at the door, but when I connect the doorbell it drops to 2v

I already changed the transformer, 16v at the transformer 16 at the door, but when I plug in my nest wired doorbell, no power meter reads 2v. I already ordered a replacement doorbell but could ...
Eric Miller's user avatar
0 votes
2 answers
2k views

Is it possible to wire a second doorbell chime with only access to the transformer?

(edited to adjust diagram per jsotola) As I'm working from home I've missed a handful of times someone dropped off a package due to the doorbell being upstairs while I am downstairs. I'd like to add a ...
Sidney's user avatar
  • 1,797
1 vote
1 answer
471 views

Doorbell only works when basement lights are turned on

Doorbell at front and back of house only works when the basement lights are on, controlled by a light switch at the top of the stairs. In the attached photo the power goes directly from the panel to ...
cmarker's user avatar
  • 43

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