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- a light bulb goes off/on (in someone's head) idiom chiefly US, informal used to say that a person suddenly understands something or has a great idea
www.merriam-webster.com/dictionary/a light bulb goes off/on (in someone's head)a light bulb goes off / on (in someone's head) - Merriam-Webster
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What does a light bulb went off mean?
Is my light bulb about to go out?
What does it mean if a light bulb burns out?
What happens if you turn a light bulb on and off?
What if a light bulb is loose?
The phrase "a light bulb went off (in my head)" literally means "a light bulb turned on in my head" and figuratively means "suddenly, I understand" or "suddenly, a great idea has occurred to me". This use of "went off" can also be seen in "my alarm clock went off" (meaning: my alarm clock just rang). – user230.
- Is Your Bulb Burned out? How to Tell If A Light Bulb Is Bad
- How to Tell If An Led Bulb Is Bad
- What Causes Light Bulbs to Burn Out quickly?
- How to Tell When A Fluorescent Bulb Is Burned Out
- How to Tell If Halogen Bulb Is Blown
To clarify, when I say “burnt out” or “gone bad” for this article, I mean 2 kinds of ways bulbs can stop working: 1. Burned out:the filament has burned and no longer conducts electricity (in traditional incandescent bulbs). 2. Gone bad:any other kind of failure (usually like physically broken parts) in any kind of bulb including light emitting diod...
Unfortunately, there’s not much you can do to check an LED light bulb for several reasons: 1. There’s no filament to burn out. 2. Most LED bulbs have an opaque (non-clear) cover so you can’t see inside. 3. They’re more complicated and use a number of electronic parts to work, meaning you can’t test them without the right test equipment. 4. Most are...
Light bulbs don’t last forever. While some people might get an average of four to eight months or more life out of their incandescent bulbs, some things you’re doing could cause your bulbs to burn out or go bad faster than that. Common reasons bulbs blow quickly: 1. High voltage problems in your home (the average is 120 volts). This causes bulb fil...
Fluorescent bulbs are more traditionally known as fluorescent tubes since in the past they used to be mainly found in long tube-shaped bulbs for commercial building ceiling light fixtures. You can still find them in buildings, warehouses, garages, and more but they can be bought for home projects too. These days, though, you can find affordable flu...
Halogen bulbs are also a type of incandescent light. Instead of a filament conducting light, halogens heat a thin wire inside a sealed lamp with halogen gas to produce a larger amount and quality of light. They’re brighter than average bulbs but at the cost of sturdiness and dependability. Halogen lights can even give you a sunburn from UV output! ...
- High Voltage in the Home. If the supply voltage to your home is too great, bulbs will generally burn brighter and burn out much faster. You can test for voltage at a standard (120-volt) electrical outlet, using a multimeter or a voltage tester; be sure you know how to do this safely because the power will be on.
- Excessive Fixture Vibration. Another cause of bulbs burning out is excessive fixture vibration. A good example of this is a ceiling fan with a light fixture.
- Depressed Socket Tab. The little metal tab at the bottom of a light bulb socket is the "hot" connection that delivers electrical current to the bulb (the surrounding threaded metal is the neutral connection).
- Wrong Type of Bulb. Although they have a reputation for lasting longer than incandescent bulbs, compact fluorescent (CFL) light bulbs are notorious for going bad before their time.
Oct 3, 2024 · When your light fixture isn't working, the first thing to check, of course, is if you have a burned-out light bulb. If the bulb is working, the fix might be as simple as adjusting the light bulb socket or as complex as replacing the entire light fixture or a wall switch.
Feb 6, 2017 · While it’s possible your light bulb is at the end of its life, in the case of any light fixture with an external ballast or driver, the exterior hardware may be the primary culprit. Before blaming the light bulbs, it's important to know the common signs and causes of ballast failure.
Nov 10, 2023 · Potential reasons your light is turning on and off. When a light turns on or off unexpectedly, there’s usually one or two root causes. The first, especially with incandescent bulbs, is simply that it’s reached its lifespan. After so many hours, the filament burns out and stops working.
Jul 25, 2023 · If LED light is switching off immediately, it’s likely a fault with the bulbs driver causing a problem with stepping down the voltage or power supply. Faulty wiring and poor bulbs quality can also cause this issue. In this article, I’m going to explain in a little more detail: What could be causing the LED bulb to switch off immediately.
