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Posted by ransley on November 1, 2009, 7:47 am
I have a few older T8 4ft shop lights that wont light up until I turn
the bulbs a bit, do I have a bad connection at the pins or am I doing
something inside the light, the bulbs are old but this happens on a
few of my lights.
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Posted by Van Chocstraw on November 1, 2009, 8:23 am
ransley wrote:
> I have a few older T8 4ft shop lights that wont light up until I turn
> the bulbs a bit, do I have a bad connection at the pins or am I doing
> something inside the light, the bulbs are old but this happens on a
> few of my lights.
Could be the static touch that's helps it start.
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Posted by on November 2, 2009, 10:25 am
I will vote for a little corrusion on the sockets that hold
the pins. Contact cleaner and protectant would help out. Second
guess would be a poor ground. It can mimic the same problems.
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Posted by Bill on November 1, 2009, 8:34 am
On some of these, the wires are stripped, then "pushed into" the socket and
held there by the spring force of a piece of metal inside the socket. Sort
of like how you can push an electrical wire into the back of an electrical
outlet.
Anyway those wires can be loose. Try disconnecting power, removing the bulbs
and cover, then try pulling each of the wires going into each socket. There
may be a loose one. If a wire comes loose, try pushing it all the way back
in.
Also examine each socket to be sure there are no cracks in the plastic. If
there are, get another socket.
"ransley" wrote in message
>I have a few older T8 4ft shop lights that wont light up until I turn
> the bulbs a bit, do I have a bad connection at the pins or am I doing
> something inside the light, the bulbs are old but this happens on a
> few of my lights.
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Posted by dpb on November 1, 2009, 10:06 am
ransley wrote:
> I have a few older T8 4ft shop lights that wont light up until I turn
> the bulbs a bit, do I have a bad connection at the pins or am I doing
> something inside the light, the bulbs are old but this happens on a
> few of my lights.
If they're quick-start, check for good ground connection. If in dusty
shop environment, blow accumulated dust off and out of tube holders; can
build up leakage paths and poor connections.
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> the bulbs a bit, do I have a bad connection at the pins or am I doing
> something inside the light, the bulbs are old but this happens on a
> few of my lights.