PIR

[New2Game]

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?

 

[Spark123]

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.

 

[CallEdsFirst]

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?

 

[RF Lighting]

PIR is a standard abbriviation for periodic inspection report, and is used more for this than for a movement sensor

 

[CallEdsFirst]

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!

 

[breezer]

PIR is a standard abbriviation for periodic inspection report, and is used more for this than for a movement sensor

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

 

[RF Lighting]

But we are in electrics UK. I could understand the confusion if we were in alarms and telephones

 

[CallEdsFirst]

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.