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I use radio linked smokes which only require a feed from nearest light fitting , no cable between smokes. Thats one of the reasons I feed landing light from downstairs circuit so if  smoke required on landing all smokes on same circuit as well as eliminating having two circuits at one switch at...

Which ciruit do you usually use ?

Yeh but how many diyers out there think they are competent and will not pay a spark to change a light switch. I agree with you but the real world s vast majority of house owners think they are more competent than they really are. Don't really think either way of wiring lighting switched from two...

Understand what your saying but customer just as likely to change switches for nice shiny ones even with label may not isolate both circuits . I always state at cu that mcb isolates both downstairs lighting and landing light and2w switching Mcb for upstairs lighing NOT landing light.

All good ideas. Suppose up and down just always done it thay way.

Never seem this on instructions before are they saying the electronics in florries , leds and dimmers effect the smokes.

Never seen this before what type of lighting you talking about ?

Noz What I ment about most customers only want one smoke on landing is what most 2/3 bed houses need per regs the 3m and db level if more required I tell the customer so. I fit aico radio linked alarms so no cable between alarms just a perm feed/ neutral from nearest light fitting . Aico state...

As I've said when doing rewire most cutomers want smokes fitted on landing and no more upstairs but with more downstairs kitchen etc which I feed from downstairs lights so fitting landing light the way I do it keeps all smokes/heats on one circuit. I have done it other way if job requires and...

Always take loopin feed from downstairs circuit to landing light fitting then sw feed return to 1g 2w sw on landing then 3 core to.bottom stairs. This way I have line neutral for smoke feed at landing light .

Ta noz Another reason I do it is you quite often have a have a two gang switch at bottom of stairs fed from downstairs circuit for hallway or whatever is at bottom of stairs and landing 2 way .Doing as I've always done you don't have two ciruits at one switch. Another reason I usually fit...

Hello Quick question when doing a new build or rewire which lighting circuit do you usually feed landing light from up or down . I've always done it from downstairs so if upstairs lighting trips you have light at top of stairs and clearly stated this at consumer unit but mate of mine says...

Its worse than you think I've seen these DNO pole thieves and they wearing skirts so must have been women.!!! ;)

Max. Check your calcs a 9.4kw oven with no socket outlet is about 19.4 amps.

Don't think the schemes or part p should be stopped just a higher standard of qualification and experiance is required. Allowing a minimum of the 17th qual is no where near enough. I gave my daughter who was 15 at the time a copy of old exam paper and a quick run through of bs7671 and osg she...

Special location i very much doubt the person who install the spur part had no clue what voltdrop or zs is. Really wish id took some pics its was one off the worst installs ive ever seen. Im hopin it was done by previous owners thierself and no by somebody who called thierself an electrician.

Just to clarify guys R1+R2 reading was measure at approx the mid point of the ring. The problem is as its protected by a rcbo type c i was concern about the overcurrent side of rcbo not disconneting . If i work thiss out correct and r1 & rn being same 1.42 * by 2 divuide by 4 = 0.71 when...

As i said have told customer what is required didnt think i need to go as far as issuing a danger notice. If it was down to me id install a 20a type b rcbo to air on the safe side but you cant make people do thing . Thanks for your input Tech. Cheers.   Tech the pfc and pefc are the same due to...

i checked the l -n loop at a couple of socket i was getting around 0.70 if i use 230/.72 the fault current l-n = 328a is that correct mind gone blank Its just got the normal tvs etc nothing to hea.vy the kitchen is on seperate circuit . it was done by a niceic company as ther is a circuit id at...