For some years I have been using a PIR light switch in my hall and on
my landing to make the lights come on only when movement is detected.
These things seem to have a short life. The last ones, I bought from
Maplins but they lasted about two years. The components seem to give
out often before the fuse blows if there's a power surge, it seems.
Recently, the one on the landing and the one in the hall both went
So I'm looking for a source of these again - especially a type that is
known to be long-lasting. Anyone know of any? £25 a piece is my
On the other hand, filament bulbs short circuit when they blow, which can
destroy sensitive electronics. If the PIR is rated for a suitable inductive
load (v. likely) and works (i.e. has a neutral or otherwise doesn't rely on
trickle current), then it may last longer with a low energy bulb than with a
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