How to Fix Flickering Lights in Your House - Blinking - Flashing
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- Опубликовано: 4 июн 2024
- How to fix blinking or flashing or flickering lights in your house that are driving you crazy.This shows you a very common cause that can happen over time and help show you how to fix it and what to check.
Even if you aren't comfortable doing this electrical work yourself at least you can share this with a qualified electrician that can help you.
As always with any repair electrical work can be dangerous. You must ALWAYS turn off the power to the panel.
Remember the main feed/lugs are still energized and can be dangerous when working in your panel. So use this for general information but it is NOT a complete instructional video.
This is to help you with your problem and point you in the right direction. YOU are responsible for what you do and determining what you are capable and feel safe doing.
I hope this video is helpful and may solve your problem and help you.
Disclaimer:
Due to factors beyond the control of Silver Cymbal, I cannot guarantee against improper use or unauthorized modifications of this information. Silver Cymbal assumes no liability for property damage or injury incurred as a result of any of the information contained in this video. Use this information at your own risk. Silver Cymbal recommends safe practices when working on machines and or with tools seen or implied in this video. Due to factors beyond the control of Silver Cymbal, no information contained in this video shall create any expressed or implied warranty or guarantee of any particular result. Any injury, damage, or loss that may result from improper use of these tools, equipment, or from the information contained in this video is the sole responsibility of the user and not Silver Cymbal. 
Хобби
I was very surprised only because I had a neighbor, who is an industrial electrician perform this procedure not more than 2 years ago. I have been experiencing problems with even the microwave. It literally wouldn't run at full power at times. I couldn't warm my cup of coffee. To my pleasant surprise after I checked and tightened slightly all the connections that would allow it I put the panel back together and turned the main back on and it appears everything is back to normal. Still, I am absolutely amazed after doing this several months ago, that this was the issue. Can't thank you enough!!!
Great Video! Direct and to the point. You stated enough times if someone does not feel comfortable doing this then hire a pro. So from all of us that like doing there own work a BIG THANK YOU!
Thank you for the kind comment and watching!
You Sir are the man.👊🏿👊🏿👊🏿
This problem irritated me to the core when it now followed me in my everyday residential house yesterday and that's after 9 months I experienced it 1st in my Holiday/Vacation house that's over 500km away.
Your video helped alot just now and I can't wait to apply your advices on the other house.
Thank you alot from 🇿🇦.
This is a very helpful video! And I'm planning on being a electrician one day too!
Sir you just saved my butt and I owe you a debt if gratitude. I have been running around with a tester for days and even replaced a couple breakers and still the flickering! It was driving me mad! I watched several other videos as well and they never mentioned this! So simple dont know why Thankyou!
Thanks for taking the time to post this. I Fixed my problem for free in less than 10 minutes!
Worked for me!
Half of my breakers in my subpanel had no power after the lights would flicker and go out. Watched this vid and tightened all of the wire connections and the problem was solved. Most of the connections were tight. None were what I would consider loose, loosest was maybe a quarter turn.
Thanks for the help.
That sounds like you lost a phase maybe a bad main breaker
Excellent! Thank you.
Man, how have i missed this guy? Thank you sir!
Gonna try this when my husband comes home, and see if it helps, thank you so much!
Very well explained. Thanks.
The Hash Slinging Slasher
Thank you for this sir. Very under appreciated comment. Hahaha
If you don't get this, I feel sorry for you...
😂😂
Nasferatuuuuuu
🤣
Excellent write to the point no fluff and definetely it works
Fixed my issue, thank you!
You are a genius and helped me immediately. Thx.
Yep that was the issue! Loose ground wires. Thanks for saving me some time and money.
So glad it was helpful. Thank you for watching and the kind comment!
Although a loose neutral can commonly do this, a ground wire should not be drawing current except when something else is wrong. If tightening a bare ground fixed the problem, there is another issue, such as a corroded/loose neutral with incorrect ground bonding. It could be as simple as a frayed appliance wire.
Yea ,a loose ground should not cause lights to flicker . You have another problem
Thanks! It worked
Wow ..this is a phenom flickering problem fixer….have been blaming the wall outlet…kudos to you..🇨🇦
This problem happen to me. Man I wish I would have saw this video. Could have saved an hour or two. New subby.
I drove myself nuts trying to figure out why my lights were flickering. Not as dramatic as the beginning of this video. More like dimming really quick. I done all the things in this video and more. Tightened screws in panel, changed plugs and switches. My lights in certain rooms wouldn’t flicker but was in sync with the washing machine. All of the things happening was crazy and the randomness of it also will drive you crazy. I even have an electrician in the family.
Solution:
The one thing we did know for sure is all this started happening right after we had our house painted and new gutters put up. Well I was having trouble with the internet so the cable company came out. While he was outside the TVs went off, microwave, plugs in other rooms and wouldn’t come back on. We ask him what he did he said I just unscrewed the cable and put it back but your electrical wire from the pole to house is hanging real low. He said I’m no electrician but it’s below code. Called power co immediately and had a broken neutral. It’s the wire with no coating. That was the culprit.
Power guy said the gutter guys must of disconnected the line from the house and the only thing holding it up was where the neutral was connected to house. The weight of line snapped the neutral. The neutral regulates the power coming in. It’s supposed to be 120 volts but I was getting as high as 150 volts. All that ended up frying was a power strip that saved one of my TVs, it blew the bulbs on both flood lights and the most expensive casualty was my over stove microwave.
Sorry for long story but if this can save you time and sanity it’s worth it. Check your line from pole to house.
This is VERY interesting. There seems to be no limits to what can go wrong but this is a really good story to share and great detective work on your part. Thank you for this,I think it will help others for sure.
Charles Dunn thanks. I really appreciate the explanation. A couple of years ago we had a massive power surge-took out the frige, one TV and a power serge battery combination unit on the office computers. Time to get the pros to chase some wires! Thanks again.
Charles Dunn our lights flicker in sync with the washing machine too. We also had gutters installed a few months ago...
Charles Dunn thanks for the heads up. It’s a great thing that it did not arch over and create a fire.
William C. That could just be a voltage drop. Anything that consumes power will drop the voltage that comes in. Therefore something as high current as a washing machine can definitely drop the voltage enough to see a difference in the lights intensity.
Thank you!!!!!!!!!!!!! I had flickering lights in my 14 year old Mobile Home. The circuit breakers were OK on the panel inside the home but the main grounding wire on the outside panel was loose by about a half turn. I snugged it up and the flickering light problem went away. Big relief because I was thinking I had a problem that would cost thousands of dollars for repairs by a licensed contractor.
Glad it was helpful and solved your issue. Thank you for letting me know.
Glad you didn't catch a lightning bolt trying to fix it.
Love the starwars warning label lol
Great video!!! Regards from The Handyman Italy !
Good advice, sometimes you might have a bad breaker and I had to replace it.
My small 2 cents. #1 for home owners they should use a torque screwdriver. They sell them for cheap at your local big box store. I believe the setting for those breakers is 25 in lbs, it also says either on the front or side of the breaker. That way they dont over or under tighten. #2 I would separate the grounds from the neutrals. Having them on the same bar is one thing but on the same lug is another. But great quality video and sound advice 👍
Super helpful, I had one really really lose wire - not tightened at all and two that needed more than a little tightening the rest just a touch. Problem solved. Cheers.
Glad it helped, thank you for sharing your update too, I love to hear it!
"loose"
Good video thanks
Thank you so much. My kitchen, bathroom and one outlet were flickering and following your video fixed the problem. 👍🏼👍🏼
When my brother worked for the power company they stressed to him that most residential electrical deaths happen when removing the metal panel cover.
good tip ty!!!
Well done
Super helpful
Thank you...low lying fruit and good reminder.
My brother had lights dimming when the washer, dryer, or large load cycled on and off. The power company found the neutral cable on the pole a few feet from the weatherhead was damaged to about two thirds of it's original diameter. Seems a squirrel had been chewing on it and some strands were severed. It was near a pecan tree where they like to spend time. However, they replaced the wiring between the poles and the transformer, also. So, either the neutral, or the transformer, or both caused the current to cycle in the house.
Your video is fantastic thank you I have a question though? My wife uses her hair iron In the bathroom and the lights in the kitchen flicker or dim what should I do?
I am a little nervous to do it myself, but I might try and I will let you know the results.
Great.. Thanks..
Good video thank you
If i turn off the main breaker
Will i still get shocked tighting those screws?
My pc is on the same breaker as a couple bedroom lights in my old house and this started happening, shutting my pc down. This video saved me from buying a new psu that other forums were suggesting. Thanks for posting, you saved me time and money!
Will check if this is my issue. Thanks. My issue is, in bathroom I have 3 lights. Sometime, left one flickers, some other time middle one pluckers.
Thanks, I'll give it a try and hopefully it will stop my front porch light from looking like a strobe light.
I have the same issue with my porch light. Have you fixed it?
Hi, I just had a light switch and I tire installed in my kitchen, it was working fine.
We recently had a thunder storm with strong thunder, and now that light fixture randomly flickers for a little while then stops. It happens sporadically, what do you think that might be?
Great thorough video. And I don’t even have an electrical issue.
It works
I have a problem when switching on and off the light switch of the living room or kitchen my tv flicker, is it the same solution?
Thanks
there is terminal torque spec listed usually on the side of the breaker or in the documentation, then you use a torqing screw driver to tighten to the desired in-lbs
hi i recently got a new pc do you think my power supply could have any thing to do with my lights
Turned out to be caused for me with a recent LED dimmer I installed in my house that is older. Reverted back and seemed to help the dimming issues in my house.
Nice
If you notice that sometimes lights go dim, and sometimes they are brighter than normal, that is the classic symptom of a loose/bad neutral connection. A bad neutral voltage can be anywhere from 0 to 250 volts, instead of the normal 120 volts, and will in no time damage appliances and electronics. Doing what is recommended in this video would be a good first step in trying to solve the problem. I would also visually check the 3 line wires that go to the main breaker and neutral bus. I would look for signs of arcing, and overheating, and if you did see something wrong call an electrician and don't try repair this yourself.
Yes it happened to me, the outside neutral wire to my meter was corroded causing the lights to flicker, the electrician changed all the outside wiring, meter box and electrical panal
Ever since i added a fancy Bidet from Costco in my mothers bathroom her lights randomly flicker... I suspect its due to the bidet drawing power to heat the seat. Or Hertz missmatch. @SilverCymbal, do you got any ideas for a fix?
This clue about the bidet just allowed me to figure out what’s been causing flickering on some lights sharing a circuit with it! Thank you
The ground screws usually don’t become loose because they’re non current carrying conductors. Neutrals simply carry the imbalance.
thx, very helpful. I had an electrician come out and he did this however it caused my lights in master bath to flicker. I contacted him and now hes saying its loose wires? Ive lived in my house 12 yrs never flickered before. Whats you thoughts on this? I feel like he may have caused the problem.
It's always possible he didn't tighten something and may need to check his work. If those lights never flicked before you could also have a bad breaker. If the problem didn't exist before he did his work then it would be a good idea to have him look at what he did. I hope this helps, let me know how it works out. Best wishes to you!
@@SilverCymbal are you a state licensed electrician?
He might have overtightened and cracked a breaker also. Have him or someone check for cracks... Easiest thing to do is replace the breaker for the bathroom and see if that doesn't resolve the issue.
One more layer of safety when working with electrical wires is to wear a pair of dry leather gloves. Leather is non conductive as long as they are dry. Make sure they don't have ANY holes in them as that makes them useless as far as shock protection goes.
edstimator1 so, this guy wearing his proctologist’s gloves was a waste of time?
@@KitchenerLeslie2 Just make sure that when he's giving you an exam that both hands aren't on your shoulders
edstimator1 I’m pretty sure they have to, to keep your back straight and for some reason my doc doesn’t want me turning around
@@KitchenerLeslie2 and you keep finding reasons to go back...donchya?
@@edstimator1
I went to my doctor one time for a prostate exam and after I changed out of my clothes into a robe I walked back into the exam room and asked my doctor where to put my pants. At which time he pointed over there and calmly replied, ”you can put your pants over there with mine”!!! WAIT WHAT??? Why ain't he got his pants on??? Bwahahahahahaha!!!
Why do one of the LED light flicker or blink onces at a certain time like every minute or 2 intervals but all switch is turned off . 9 led light on my ceiling. Thanks for sharing.
At 1:07 you show wire nut in video, what's the rules on extending wires in electrical panel? Is that okay to do, to move circuits around in panel, I'm in nyc thanks
Here is a thread about it, local codes can vary. But I have always understood it to be ok. www.inspectionnews.net/home_inspection/electrical-systems-home-inspection-and-commercial-inspection/20590-wire-nuts-inside-panel.html#:~:text=Wire%20nuts%20in%20panels%20are,know%20where%20it's%20going%20to.
A bad ballast could cause flickering a loose connection at the switch or at the actual light fixtures a bulb going out a lose connection in any electrical box on the same circuit check light bulb make sure all the way in
Question. The lights in my bathroom and guest room flicker. I changed the bulbs out and the flickering goes away but starts up again weeks later. It can get so bad that it looks like a diso dance floor. Any suggestions?
good move , wire go from one plug to another , if you tap a plug and lights flicker than the screw on that plug need to be retighten
Thank you.
I have a kitchen light that won't turn on for awhile now and the hallway light now is doing it both have dual light switches. Also the light in kitchen by the basement stepd flickers
I like being educated so when I call a professional I understand what they are doing , or if they are missing something I can ask about it,also so they do not over charge me.
Thank you for the kind comments and I appreciate you watching. Please subscribe for more videos. Best wishes to you.
Thank you. I'll try this before I contact an Electrician who will do the same for $600
The neutrals are the loose wires way more often than the breaker wires. Especially in older panels where the neutral bars are tiered. The neutral screws tend to be harder to turn because they’re more likely to be seized.
Great point. It;'s definitely worth checking those as well. I have received a lot of feedback at how many people are suffering from blinking and flickering lights, seems to be a big problem for a lot of people.
Is this blinking led for all lights in the house or only certain switch lights only?
And sometimes it can be@meter...either burnt on load or line side ...but it can turn into a troubleshooting nightmare💥⚡⚡
LED bulbs will sometimes flicker because of defective electronics. Call the manufacturer and they will probably help out by sending a coupon or two to cover replacement cost of the bulb(s). Same for when the bulbs don't last as long as specified.
I like ur safety gloves lol
Sometimes flickering might be caused by networked circuits (shared neutral for 2 opposite hots) used for light circuit and washing mashine (or other device containing motor). Then solution is to call an electrician. Basically those circuits must be separated.
Great point, thank you
Each screw should be torqued to the correct torque setting that is implemented on most new breakers
In my kitchen have replaced LED bulbs and they work fine for a month or so and then one or two started to flicker for a week so and goes out. Within 6 months or so they are all going out and I am replacing blubs again. Any suggestions?
Any ideas on what would cause every light in a house to flicker occasionally, not just a single circuit? We built a house that has entirely LED bulbs, and our homeowner says that a few times each day all of the lights will flicker for a fraction of a second. I know this is typical if something that draws a large current turns on, such as the A/C compressor. However, the A/C compressor does not seem to be the cause. I suspect the well pump might be the culprit, since we installed a large 3/4 HP pump, and it seems to happen most frequently in the morning when water is being used. The power company checked their incoming power and said all was OK, and our electrician has checked to ensure that all connections are secure. Thanks.
If it's every led light doing this than it's still very likely a load inside. The most common thing I still see is home laser printers and copiers. Even when they don't print they randomly will cycle during the way. They can still cause this same issue throughout the house. The other thing is if regular dimmer switches are used and even ones that are LED compatible can still be incompatible with certain bulbs. A homeowner might think it's every light but they can only be in one room at a time so a lot of times it's really just one circuit affected. These are tricky to find but maybe that helps.
@@SilverCymbal then* it's very
Lights in my house have been flickering all day. Sat down to RUclips to troubleshoot and saw this comment - remembered my printer ran out of paper this morning and it stayed on with an error instead of auto turning off. Bingo! Problem solved. Gotta love YT.
@@SilverCymbal wow ty ty ty!!! Just moved into a new house and lights in one part have flickered since day one, and was indeed my lazer printer. Problem solved with the flick of a switch. Pun intended and ty again!
The 2002 NEC does not allow multiple neutrals under the same lug. ... Section 408.21 in the 2002 NEC specifically states, "Each grounded conductor shall terminate within the panelboard in an individual terminal that is not also used for another conductor."
That book is 19 years old. Electrician for 9 years and they don’t recommend you do it but if need to you can. Only rule is it must be the same size and same type. For instance a stranded and solid wire of the same size can’t go under the lug but you can put to 2 solids under one or 2 stranded under one only if same size. I don’t like to do it but sometimes you got to with old panels
I've noticed the fans in my house are fluctuating in speed and the lights are flickering? When I turn on my electric frying pan the lights also flicker. Any thoughts? Ty.
how do you turn off the power to the circuit breaker?
Don't forget to make sure there is no power to the wires before checking if they are tight. I don't trust even the "off" switch.
I opened up mine And found a little black Box which is the capacitor for fan , not Current limiting device. The light is flashing on and off every second. Any advise?
Having tremendous electric problems at the house. Some lights aren't working or sometimes work but most of the time don't. I strongly suspect some lose wire somewhere as on a low voltage light it does light up in the Kitchen like a dim candle. Really odd. All the light switches changed. The Light fittings have been changed. Now the fuse box...I suspect either something in the fuse box or else something has chewed through the wiring. As I said before, occasionally, like when it is warm, the lights come back on. Perhaps they're expanding in the fuse box causing a connection. Must be something somewhere doing it.
Disclaimer: Dangerous can cause death.
Video title: Try this!
What kind of screw driver is needed to tighten the ground screws?Mine appears to have 4 sides
Most are dual type screws, they can use a standard flathead or a square drive driver, which works well but many electricians still just use a larger flathead
@@SilverCymbal Awesome. Last question. Microwave is causing lights to flicker throughout entire house? Any thoughts? Solutions? Suggestion? Much appreciated, good video.
Is this kind of prob mean we have grounded wire connections that makes our bill increased?
Typically flickering lights is a problem with the neutral or ground. Also those baggy blue gloves are more dangerous than working bare handed. Just my two cents appreciate your vids just electrician with 35years experience
It also could just be the mind flayer, you never know
Can I please have your opinion as I am worried and it is a holiday weekend so I am unable to contact my landlord or the electric company. Lights in my living room are dimming periodically. I unplugged several things from different outlets and they are still dimming. I thought maybe it was due to the refrigerator kicking on but I unplugged everything from that wall and it is still doing it. No matter what I unplugged or switched around the lights are still dimming. I also had a fan running and when the lights dim the fan goes out for a brief second. Not all the way like a huge surge, just slightly. It is happening about every 20 minutes. I am really worried, don't know how to fix any of this stuff, or do I want to try. Do you know what it could be, any precautions to take until I am able to make contact with someone on Tuesday?
Based on what you wrote it sounds like you either have a problem at your circuit breaker panel, or the main service coming in. If you pay your electric bill directly, you can call your electricity provider and they have crews 24x7 and don't usually charge for something like this to look at it. It's unlikely that it is something within your space doing it, unless you are running an electric heater or huge pump. I would recommend calling your electric company first and and having them check it out. I hope this is helpful.
@@SilverCymbal I have the electric company coming out today to look. Hoping to get the leasing company to send out someone asap Tuesday. I appreciate your help!
@@nicolemarie011 That sounds like good news. I hope everything works out ok. Best wishes to you NicoleMarie
About a month after I installed an LED compatible wall dimmer switch for an older, overhead lighting fixture (I put in 4 dimmable LED bulbs) all the lights in the house began to intermittently flicker, the overhead light fixture sometimes goes completely off for a split second. Infuriating and wondering if the dimmer is the culprit, why would that affect other house light fixtures? Since the dimmer switch worked just fine for the first month with no flickering, possibly it's not connected to the flickering?
Yes what you said has happened to me as well. That's the dirty side of LED. I still use them all but many electronic dimmers no longer work and can cause flickering with these Led bulbs also. Great points. Thanks for watching,
@@SilverCymbal yeah, but I used a special dimmer switch made just for dimmable LED bulbs. Why would that cause lights to flicker elsewhere in the house? Perhaps its unrelated to the switch? Other weird thing, mostly occurs at night. Ugh...
watching this coz my lights in my bedroom is flickering wtf
We experienced flickering lights on different circuits in a new house, and it turned out that the main supply cables at the meter were loose. The problem was found and corrected by the power supplier while following up on our issue.
Sane
My lights just started flickering and the volt indicator display on my surge protector shows the voltage from the wall socket bouncing from the normal 119 down to 114 and up to 123 while they flicker, about every 30 o 45 minutes this happens. could that be from loose connections in breaker box?
I found some roof top units or florsent lights can cause Flickering shut those off to see if not move on. If the Led lights flickering it can be a dimmer switch may not be compatible. If flickering lights remove 1 Led light put in 1 incondence light bulbs the filament will bleed the homonic that tell you Led bulbs not compatible with dimmer switch. Then look for loose wire. Trick works 1 bulb load of a switch will tell you with light circuit the problem in stead pulling the hole place apart work alot for me. So I can look at a smaller part of the house pin point what room it is faster.
I have a weird one. I have a fan with a light in another room (it has it's own breaker for some reason), and when I turn on my microwave that is in another room and a different circuit then light on the fan blinks. What would cause that?
I have the same problem when using Keurig. Did you ever fix the problem?
What if its only 1 closet in the house? My closet light has never worked properly, even though years ago we had someone out to the house to try to fix it, the problem persisted some time after he left. Its aggravating not being able to use it, what should I do?
If it is just one light then it's one of three things. It's wall switch/dimmer if you have one, the circuit feeding it (unlikely) of the fixture. The reason I say unlikely for the circuit is that they are usually not one light on the circuit, meaning you would have a few other things on that circuit. What type of switch do you have, and what type of fixture is it, fluorescent or led, reg bulb?
I had lights in my kitchen and batchroom but the other day i came home and the kirchen was out but the batchroom was working . N the breaker is the same one . Would a bad breaker cause this. Or would it all go out no matter what
If they are on the sane breaker the first thing I would check is the actual switch on the wall that controls it. Sometimes they fail and also check the bulbs, and fixtures themselves. Don't take anything for granted, odd simple things are most often the cause.
@@SilverCymbal its a tiny house thats old. The kitchen bed rokm amd bathroom all run off the same single breaker in the pannel for aone reason. Not seperate switches . Theres a maine and a water tank n living room n another i believe, with out it infront if me. But the actual issue is that the other day i unpmugged a charger for a drone batt n i believe it went out then. The tbing is when the breaker is on. The bathroom works but the bedrokm and kitvhen in that same breaker dont . No plug outlets not lights switches nothing in those areas. Except the bathoom . I told them i tbought they hooked too many rooms to it . But i cant think of anything other the the wires loose some where or sonething chewed it since one room on that same breaker if working when the breaker is on . So i have it off now so no fire issue ir anything from that one.i purchased a cpl breakers today. To try tomrrow hopefully. And check alll the connections. I dont know too much about home wireing n electrical but i have been doing auto electeical for yrs an i cant imagine its harder then that lol. As long as the main is off then should be safe correct?
Any tripped Ground fault Circuit protector outlets protecting the kitchen circuit ?
I recently moved in my dads house that has been abandoned for 2 years. The kitchen light wouldn’t work after power had been restored and my daughter was in her bedroom using a hair dryer then all of a sudden all lights went out in the house then came back on and now the kitchen lights are working and now there are flickering lights all through out the house. Any ideas?
Found out what my problem was.....I had a loose neutral in my outside main breaker box.
The lights in my bathroom have been doing this for awhile bad like it’ll make you sick if you leave it on, and my kitchen lights flicker a little bit when my washing machine is running.
So how about if your lights have a very dim flicker while the rocker switch is in the OFF position but turn on and work fine once the switch is in the ON position? Why would it still be flickering with the switch off?All connections on the switch are perfectly tight
Bad switch
I have a perfectly normal home, never happens. I was sitting in my fort with with my friends on FaceTime. The lights started flickering and I freaked out. I heard footsteps when I was home alone that night because my family were on a vacation and left me home with the cat. The cat was in my room laying down with me. One of my friends called my mom and we were in tears. Anyway, I got scared but my parents watched this and everything looked fine.
My front light is flickering I open the switch box and I noticed the neutral is crew into the box?
I noticed the grounds and neutral wires on some were under the same terminal 😮. They should absolutely be separated. Grounds under one and neutral under another.
But if a wire slipped out some you would have to push it back in.. The screws loosen sure & its good to tighten them so wires don't slip out, but i don't see how it would make your lights flicker unless it was slipping out, maybe not a direct connection? by either way you'd want to make sure the wires are pushed in all the way wouldn't you? I'm not a professional but my uncle was a grandmaster lineman so i do know a bit about electricity & have worked on it a bunch of times throughout my life.
I just started noticing flickering lights in the bathroom/kitchen/bedroom and the 3 lights are in a straight line, so I assume on the same circuit? The lights in the rest of the house don't do that.
I upgraded all my bulbs to LED a few years ago.. and all was fine. Then I upgraded my tank water heater to a big 3 line electric water heater. Everything was working fine. Then 6 months later we noticed some new LED bulbs flickering when water is heating. The old bulbs that don't flicker are Ecosmart daylight 120v 60hz 9.5w 193ma 840 Lumens non-dimmable . The new bulbs that flicker are Ecosmart 120v 60hz 9.5w 171ma 840lm non-dimmable and 120v 60hz 9.5w 150ma 800lm non-dimmable. I also tried 9w and 8w bulbs and dimmable from other brands. Everything new flickers. I'm sure my system is too big for my house and this 200 amp service. About to call an electrician and possibly downgrading my water heater. We have 3 bathrooms, 1 kitchen, 4 adult occupants.
You MUST use (insulated screwdriver)
If the main is off, why would you need to use an insulated screwdriver?