[Message Prev][Message Next][Thread Prev][Thread Next][Message Index][Thread Index]

Re: Insteon Observations



"Dennis Brothers" <brothers@xxxxxxxxxxxxxxxxxxxxxxx> wrote:
>
>Hard to imagine how a defective LampLinc could damage an ordinary 100W
>incandescent bulb.  On the other hand, it's easy to see how a current surge
>as the bulb dies (typically accompanied by a blue flash) could damage a
>triac.
>

Why would there be a surge when the (resistive) circuit opens? The inrush
current when a cold incandescent is turned on is significantly higher than
after the filament heats up. If the filament is thin in a spot, the normal
inrush current causes it to break.


http://davehouston.net
http://tech.groups.yahoo.com/group/roZetta/
roZetta-subscribe@xxxxxxxxxxxxxxx


comp.home.automation Main Index | comp.home.automation Thread Index | comp.home.automation Home | Archives Home