garden shed Ze

[Geordie Spark]

Shouldn't that be armature?? lol not being picky or anything

Yes it should and I deliberately miss-spelled it just as the op did!

And yes - you ARE being picky and I don't suppose that's going to change any time soon!

 

[telectrix]

it's also the protective outer covering of an animal or plant. ( just thought i'd thow that one in ).

 

[Geordie Spark]

it's also the protective outer covering of an animal or plant. ( just thought i'd thow that one in ).

Tel bonny lad .... I'm not sure how to tell you this, but your keyboard seems to be missing it "R"s

 

[telectrix]

twas deliberate geordie, as the spelling of amature . pity you is a bit slow today. :6:

 

[Geordie Spark]

twas deliberate geordie, as the spelling of amature . pity you is a bit slow today. :6:

I told you in another thread - I need my afternoon nap!

 

[Pete999]

Yes it should and I deliberately miss-spelled it just as the op did!

And yes - you ARE being picky and I don't suppose that's going to change any time soon!

Well hush my mouth, and you are correct I wont change

 

[Geordie Spark]

Well hush my mouth, and you are correct I wont change

Good lad,

Billy Joel - Just The Way You Are - YouTube

 

[nickblake]

All you need to do is as you have said measure your r1r2 then Ze at the board of the main house then Zs at the shed board can be done by calculation r1r2 + ze = Zs as its taken from a circuit at the house db it will be Zs not Ze . and the RCD's are not in series they will be in parallel

 

[trev]

Gary moore - over the hills and far away - YouTube
Led Zeppelin - Over The Hills And Far Away (HQ) - YouTube
There ye gan Fatha. 2 o them.

 

[nickblake]

Gary moore - over the hills and far away - YouTube
Led Zeppelin - Over The Hills And Far Away (HQ) - YouTube
There ye gan Fatha. 2 o them.

you missed one where are the tele tubbies

 

[trev]

you missed one where are the tele tubbies

Cba mate, sorry if my omission of your favourites offended you in any way

 

[£££sjim]

All you need to do is as you have said measure your r1r2 then Ze at the board of the main house then Zs at the shed board can be done by calculation r1r2 + ze = Zs as its taken from a circuit at the house db it will be Zs not Ze . and the RCD's are not in series they will be in parallel

Thanks for the sensible reply. That's what i thought but thought maybe just maybe!

 

[PEG]

well, i've got 2 RCDs in series on one of my jobs. it's a stables layout and i'd hate to see a horse die if 1 RCD failed to trip. so there.!

...If you really care,they would both have to be 10 Ma,as they seem to knack if you walk briskly across a nylon carpet,and pat the boogers...:stooge_curly:

 

[davesparks]

well, i've got 2 RCDs in series on one of my jobs. it's a stables layout and i'd hate to see a horse die if 1 RCD failed to trip. so there.!

What trip current are those RCDs?

 

[Pete999]

Thanks for the sensible reply. That's what i thought but thought maybe just maybe!

r1r2 on a radial shouldn't that be R1+R2+ZE= ZS at the shed DB

 

[Octopus]

All you need to do is as you have said measure your r1r2 then Ze at the board of the main house then Zs at the shed board can be done by calculation r1r2 + ze = Zs as its taken from a circuit at the house db it will be Zs not Ze . and the RCD's are not in series they will be in parallel[/QUOTE]

I have to disagree with you:

"The source of supply is from a socket in the garden that is direct from the house CU RCD protected. or would I have to use the Ze from the house intake position. My shed is stand alone with a light circuit 6amp mcb and two radial circuits 20amp mcb all protected by RCD. another problem I have is if the shed CU trips the house Cu trips too. both protected by 30ma RCDs the garden sockets are 32amp mcb"

????

 

[telectrix]

What trip current are those RCDs?

they are both 30mA. the situation arose when the stables sub-main was installed with a 30mA RCD and no RCD protection at the supply end of the SWA. the main board was upgraded to RCD protected when some sockets were added to it. as there have not been any tripping issues for 3 years, i decided to leave well alone.

 

[brucelee]

Better to have to possibly reset 2 RCDs rather than try reset the Horse once fried lol is that your thinking mate

 

[brucelee]

To the Op your Ze at your shed is the Zs of your sub circuit some call it Zdb the only place you find Ze is the(Origin)
so Ze + ( R1+R2 Sub Main) this is your( Ze,Zdb, Zs) for the sub board then if you want the whole Zs then add (R1+R2 Final circuit)

Hows that clear as mud lol

 

[nickblake]

They are still in parallel L and N are the same where ever it comes from even if the supply is fed off the sockets its still Live and neutral , if it was in series then the live would enter the first rcd come out of the neutral of that RCD as a live to the live of the next RCD and the neutral would be connected to the last RCD,