wiring my extension

[imhandy]

HI this my frist time post dont know if this is on the forms but i need a bit of help/ advice i hav almost finished my extension garage ground floor bedroom/ensuite 1st floor and about to wire it. 1st floor lights in the ext are just connected to tbe bedroom next to it. my problem is were do i connect sockets 1st floor and lights/sockets in garage i have a c u next to the garage do i drill thro to it and connect garage lights to downstairs lights and same with sockets ? ps ring circuit or radial ?

 

[ban-all-sheds]

Please get an electrician. You've left it far too late in the job to start learning all that you need to know - it is clear from the sorts of questions you are asking that you have a lot to learn.

And unless you live in NI you are going to be in deep doo-doo with Building Control/Building Standards if you DIY.

 

[imhandy]

deep doo-doo with Building Control why ?

 

[ban-all-sheds]

Why?

When you applied for Building Regulations approval, what did you tell them would be the way that you would comply with P1?

 

[imhandy]

as i live in N.ireland i know the Regulations are not the same as those on the UK mainland ive built the extension from scratch and had Building Control in every step of the way so far and ive had no problims so they are aware of what im capable of. As you don't know me or seen my work and know what im capable of doing HOW CAN YOU sit on here and critasize me and tell me i have A LOT TO LEARN. Maybe my 1st post wasn't clear enough all i need to know is garage sockets to an existing downstairs socket or the cu same for lights to light or cu

 

[ban-all-sheds]

as i live in N.ireland i know the Regulations are not the same as those on the UK mainland

FFS.

unless you live in NI ....

As you don't know me or seen my work and know what im capable of doing HOW CAN YOU sit on here and critasize me and tell me i have A LOT TO LEARN.

Having a lot to learn is not a criticism - it's a simple fact.

Maybe my 1st post wasn't clear enough all i need to know is garage sockets to an existing downstairs socket or the cu same for lights to light or cu

Anybody who was genuinely competent to carry out electrical design work would not have to ask questions like that.

You also don't understand the pros and cons of ring finals vs radials, because if you truly did then you would be able to make your own decision on what to use.

But the fact that you are asking questions like that shows that you are not yet competent.

And that is not a criticism, nor is it a suggestion that you are incapable of becoming competent.

It strongly suggests that there is a large gulf between what you know and what you need to know.

Would someone who doesn't know about the things you're asking about nevertheless know about cable installation methods and de-rating factors? Voltage drop? The relationship between Ib, In & Iz? The requirements for concealed cables? The requirements for main and supplementary bonding? MCB curves and earth fault loop impedance? Testing?

Asking questions here can be a useful part of a learning process, but they are not a substitute for proper structured studying. The key term there is "learning process" - you cannot learn all the things you need to know just by asking questions here. It isn't structured enough - it won't provide you with a way to progress where each step builds on what you learned before.

You can't become competent by asking whatever random questions happen to occur to you. What if you get something wrong because you have no idea your knowledge is wrong? What if you miss something because you simply have no idea it even exists, and just don't realise you don't know it?

There is no reason to believe that you could not acquire the knowledge you need, but your building project is at this stage:

"i hav almost finished my extension garage ground floor bedroom/ensuite 1st floor and about to wire it"

And your knowledge is at this stage: "were do i connect sockets 1st floor and lights/sockets in garage...ring circuit or radial ?"

There's a disconnect between the two, and you don't have the time to rectify that unless you put the building project on hold.

 

[danechip]

BAS, you crack me up. I follow this electric board just to read your responses. You remind me of pedo bear. Keep up the good work.

PM me, really interested about you. (I have a mrs) !!

 

[holmslaw]

BAS, you crack me up. I follow this electric board just to read your responses. You remind me of pedo bear. Keep up the good work.

PM me, really interested about you. (I have a mrs) !!

 

[ricicle]

 

[RMS]

PM me, really interested about you. (I have a mrs) !!

What are you trying to achieve there then?

 

[echoes]

Sounds like a not-so-tempting offer for a 3-phase connection.

 

[RMS]

Lol, I see there is no response for BAN, maybe he is taking time to consider this offer

 

[ban-all-sheds]

I'm looking for the tarpaulin and the drum of Swarfega...

 

[imhandy]

DERATING FACTORS. Combining different size cables is not cause to derate. Derating is needed when the amount of current carrying conductors is greater than the ampacity of the standard 3 current carrying conductors will create more heat. Another reason to derate is if the wiring passes through an area with higher than normal ambient temperature.
The requirements for concealed cables.Cables must be fixed securely at intervals which are close enough to ensure that there will be no excessive strain on the cable or on its joints and terminations, and to prevent cable loops appearing which could lead to mechanical damage. thus, where cables are run beneath boarded floors, they must pass through holes drilled in the joists which are at least 50 mm below the top surface of the joist. This is to prevent accidental damage due to nails being driven into the joists. The hole diameters must not exceed one quarter of the depth of the joist and they must be drilled at the joist centre. Where cable runs are concealed behind plaster they must he installed to reduce the danger to the cables and to people who drill holes or knock nails into walls.Where supplementary bonding is required, its that the protective conductor (cpc) of each circuit entering the room containing a bath or shower, be connected to the extraneous-conductive parts by local supplementary equipotential bonding conductors This is carried out to prevent the occurrence of voltages between any such parts being of such magnitude as could cause danger of electric shocks.SO
earth fault loop impedance when there is an electrical earth fault on a circuit current flows from the Line (phase) conductor through the fault, down the CPC (earth wire) along the earthing conductor provided by the electricity company for TNS and TNCS or through the earth electrode and planet earth for a TT system into the neutral point of the supply company transformer and through the transformer winding

The circuit (or loop) then is the Transformer winding (impedance) the supply company phase cable the phase cable in the installation and the return earth conductor (resistance)

This complete circuit is called the earth fault loop and the Earth fault loop impedance is the value in ohms measured at the furthest point in a circuit and depends on the length and size of cables and the impednace of the supply transformer. It is measured using an earth fault loop impedance tester. Once a measurement is taken its value can be compared with a maximum value for a given protective device (fuse/circuit breaker) in IEE wiring regs tables. If value is too high then the circuit is not safe if ive missed something i thing my spark can put me right when he calls on monday. ban-all-sheds i whould like to thank you for ur 2 cents worth but i wont as i think ur a sad little man who sits on here and waits for victims while pullin ur bar and really belive ur Robert J. Shiller. TBH u wouldnt last a day on site .

 

[ban-all-sheds]

A whole load of stuff he copied and pasted off of other sites thinking that doing so means that he has now learned all that he needs to know.

if ive missed something i thing my spark can put me right when he calls on monday.

You've got an electrician.

Have him do the work.

ban-all-sheds i whould like to thank you for ur 2 cents worth but i wont as i think ur a sad little man who sits on here and waits for victims while pullin ur bar and really belive ur Robert J. Shiller. TBH u wouldnt last a day on site .

I'm sure you do think those things.

Including, for some reason, that you think I think I'm an economist.

But then you are stupid and seriously illiterate, so what you think is of no consequence.