Come across a S/O which has cables from ring into connector block then 2.5mm TW&E from CB to S/O as cables from ring are too short. What number would this be on a PIR and is it dangerous or against regs? Is it just treat as a radial?
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PIR
- Thread starter New2Game
- Start date
I'd just take it as a spur. Although probably not best practice, I don't thing there is much wrong providing the terminal block is adequately rated, enclosed, not stressed, no spur from spur scenario etc etc etc.
The second post today relating in a pedantic fashion to acronyms. More often than not PIR is Passive Infra Red! I suppose context gives meaning, but I always heard your version referred to as just "periodics" for abbreviating purposes. Anyone else?
PIR is a standard abbriviation for periodic inspection report, and is used more for this than for a movement sensor
Type PIR into google and get a few pages on movement sensors amongst other stuff. Type Periodics in and you get this page as the first hit!
http://www.elecsa.org.uk/Periodics.asp
and I quote "Such inspections are know as ‘Periodics’."
Could be a regional thing I suppose. I used to think that northern electricians spoke a different language when they came down south to work!
http://www.elecsa.org.uk/Periodics.asp
and I quote "Such inspections are know as ‘Periodics’."
Could be a regional thing I suppose. I used to think that northern electricians spoke a different language when they came down south to work!
B
breezer
RF Lighting said:
sorry RF, it isnt.
irt depends who you talk to.
my of mine is an alarm engineer for alrm co, when i go out with him and his fellow engineers for a beer pir does mean Passive infra red
But we are in electrics UK. I could understand the confusion if we were in alarms and telephones 
PIRs arent just used for alarms though. They are an "electrical" item as well! I think we should stop! 
it could all end in tears. Tomato, TomAto.
it could all end in tears. Tomato, TomAto.
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