In most homes, the neutral wire balances electrical load. When it’s loose or corroded—often at the panel, meter base, or utility connection—voltage can fluctuate wildly between circuits.
This can cause:
Bulbs failing instantly when turned on
Some rooms blowing bulbs while others seem fine
Why This Is Urgent
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A loose neutral doesn’t just burn out bulbs. It can:
Damage appliances
Kill electronics
Create fire risk in extreme cases
If you notice bulbs getting brighter than normal, flickering dramatically, or appliances behaving oddly at the same time bulbs are failing, this is not a wait-until-January problem.
In some cases, the utility company, not an electrician, must fix it—and they may respond faster.
Loose Sockets
If the metal tab at the bottom of the socket doesn’t make solid contact with the bulb:
The bulb arcs slightly each time it turns on
Heat builds up
The base overheats
The bulb fails prematurely
This is extremely common in older fixtures.
Corrosion and Oxidation
Humidity, age, and dust can cause corrosion inside the socket, leading to:
Flickering
Localized overheating
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