Light dimming question from a Newbie

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Old 01-15-20, 05:23 AM
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Light dimming question from a Newbie

Hello, I am clueless when it comes to electricity... When I start a small appliance like a gaming console or a computer, the light in the bedroom dims. It looks like the bedroom’s lights and wall sockets are all connected in the same line.

Is this normal, or is this something that I should be worried about? This is a newly built home and the circuit breaker has not tripped yet, but I never had this happen in previous homes. This seems to happen in only the bedrooms and 2nd floor hallway. Thanks in advance.

 
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Old 01-15-20, 05:37 AM
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I would be concerned if something like a computer or game console dims the lights. An appliance such as a fan, or any motorized item, it's not uncommon. What items are running on this circuit? How many and what wattage bulbs are being used in the lights? Are the computer or game anything unusual such as water cooled?
 
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Old 01-15-20, 09:00 AM
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For example, it seems to dim/flicker when turning on and starting up the game console. There is a small cooling fan in the console, but I don't know if that can cause that. The only items that are running would be the TV, console, and the bedroom light itself - only 2x 60W LED bulbs in the fixture.
 
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Old 01-15-20, 09:18 AM
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I'm not the expert here. Others will chime in. But I would like you to check all the outlets and make sure all connections are tight. The small cooling fans on the computer and game console should not cause the dimming.
 
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Old 01-15-20, 09:19 AM
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If it's really new constrution it's hard to believe both the lights and outlets would be on the same circuit.
Simple to check, just shut off the breaker to see if that kills both of them.
I'd be checking for a loose wire or back stabbed outlet that needs to be moved to under the screws.
 
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Old 01-15-20, 09:59 AM
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Yes, the breaker shuts off both. I think the small bedrooms have all outlets and lights on the same circuit.

I will have to check for back stabbed outlets and see if anything is loose, but can that cause this kind of issue?
 
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Old 01-15-20, 10:06 AM
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Yes it's possible. I have agree with Joe that it's unusual that both lights and outlets are on the same circuit. When you say lights, do you mean an overhead light that is build into the wall or ceiling? Or do you mean an outlet controlled by a switch?
 
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Old 01-15-20, 10:10 AM
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Yes, the overhead lights. The builder said that there is no code for putting them together on one circuit for a smaller bedroom. I know that the light dims or flickers when I use a heavy appliance like a vacuum in the room, but I just found out it was doing it for even smaller appliance like this gaming console. Now, it leads me to believe something might not be right... Should I not be worried?
 
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Old 01-15-20, 10:26 AM
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Worry is too strong a word. I would be concerned and want to check each outlet and the light connections. Does any other area of the home have a similar problem?
 
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Old 01-15-20, 10:40 AM
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Are the lights on a dimmer switch?

Some LED lights switched by dimmers will blink or flash due to the electronics in both the dimmer and in the lights.

It is possible that your game console, computer, etc. causes a slight surge in the line that is affecting the electronics in the LED bulbs.

If it occurs only when you turn the devices on, I would not be concerned. If the lights continue to flash or dim while using the devices further investigation is warranted.

Replace one or both of the LED bulbs with standard incandescent as a test and see if the problem still occurs. If it does not occur with incandescent, then the problem is interference with the electronics in the LED bulbs. Other LED bulbs may not react the same way.

I have LED bulbs in fixtures in my family room. When they are on at full brightness after a short while they each start to blink randomly because of the reaction of their electronics to the remote control dimmer that they are on. By putting an incandescent bulb in one of the fixtures it eliminates the problem. Fortunately the LED's do not flash when I have them dimmed, and I can turn that fixture off when watching TV to eliminate reflection on the screen.

Those LED bulbs also blink (once and all at the same time) when I turn on my TV.
 
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Last edited by 2john02458; 01-15-20 at 10:45 AM. Reason: typos & more info
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Old 01-15-20, 11:33 AM
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Lights are not on a dimmer switch, but they are dimmable led bulbs. I will try to test them out as you recommended once I can get my hands on some other bulb types. Thank you!
 
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