How many bulbs?
Do they all blow out simultaneously?
Have you ever cought one blowing out with a bright flash just as you
flipped the light switch ON?
Are all the bulbs from the same lot?
Are the bathroom lights also 60 watt bulbs, and if so are they from the
You didn't respond to Joseph's questions about whether there might be
vibration from something near or above the lamps, nor his one about
lights dimming or brightening when appliances or other "heavy" loads
turn on or off.
I once lived where the folks upstairs had a treadmill located above one
of my ceiling light fixtures and I'd swear that the vibration from that
made the bulbs in that fixture blow more ofthen than I thought they
should. (Not to mention the annoyance of living with that rumble.)
The brightening or dimming of bulbs when appliances turn on or off is
usually a symptom of a higher than "zero" resistance in the connection
between the power company's lines and the home's breaker panel's neutral
Among whatever other factors get mentioned by others, I suggest a
You had a blowout and replaced the blowout with a a bad brand/model,
leading to a string of frequent replacements.
I suggest avoiding dollar store ones for one thing. I also suggest
using ones made in North America, Europe or (less likely for a non-halogen
incandescent) Japan rather than China.
- Don Klipstein ( firstname.lastname@example.org)
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