- Thread starter M@tt
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At some point, the garage feed should be provided by an RCD, RCBO or RCCB for your protection, an MCB only protects the cable.
brightspark
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the cheapest option would be change the main isolator switch in garage consumer unit to a double pole 60 amp rcd mainswitch with a 30 milliamp trip 
that is providing u havent allready got one at the source of the garage supply in house consumer unit
that is providing u havent allready got one at the source of the garage supply in house consumer unit
white van man 2
The 'Rocco Horror Show
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rcd - residual current device
mcb - mini circuit breaker
rccb - residual current circuit breaker (same as crd as far as i can tell)
rcbo - a new one on me!
mcb - mini circuit breaker
rccb - residual current circuit breaker (same as crd as far as i can tell)
rcbo - a new one on me!
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RCCB combines RCD & MCB (earth fault + over current)
RCBO same as above but usually a single width package instead of 2 (number of places occupied in CU)
brightspark
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rccbo is a minature earth leakage breaker with a built in minature circuit breaker at various ratings eg 6 amp 16 amp and 30 amp combined . they can be used to protect individual circuits without tripping the rest but cost £££££££££££££££££££££££££££ 
Last edited:
Will1983
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fantastic thread, ive just read all 19 pages!! have you got any previous building experience because you've done a really professional job.
im a civil engineer and can empathise with your problems with some subcontractors not doing a proper job (obviously i'm referring to the concrete contractor) its happened to me before on projects. A bit honeycombing isn't the end of the world though, like the others said a good skim of mortar should protect it against any moisture ingress.
just out of interest what are you going to coat the floor with? if you're going to paint it i recommend sealing the concrete first with a water/PVA mix. otherwise the concrete will suck all the moisture out of the paint and you'll end up using loads of it. also remember when wiring your plugs in to 'complete' the loops back into the breaker box.
im really jealous of your lift by the way, i want one of those!
im a civil engineer and can empathise with your problems with some subcontractors not doing a proper job (obviously i'm referring to the concrete contractor) its happened to me before on projects. A bit honeycombing isn't the end of the world though, like the others said a good skim of mortar should protect it against any moisture ingress.
just out of interest what are you going to coat the floor with? if you're going to paint it i recommend sealing the concrete first with a water/PVA mix. otherwise the concrete will suck all the moisture out of the paint and you'll end up using loads of it. also remember when wiring your plugs in to 'complete' the loops back into the breaker box.
im really jealous of your lift by the way, i want one of those!
Can you clarify this?
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A "ring main", cable leaves CU goes to each socket looped to next and so on, then back to same MCB in CU from last socket forming a ring
brightspark
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they might be wired on radial circuits depends on the cable size and breakers 
cheers for the info chaps as always, i'll have a check tomorrow what type the breakers are and get a replacement if necessary.
Will & Everets cheers for the comments
No i've not had any previous building experience, i did Mech Eng at University and have always been able to have a bash at turning my hand to stuff without it turning out too disasterously plus i'm a tight git so i much prefer to do something myself rather than pay others to do it especially if i think "I can probably do that "
I should have another update tomorrow evening as i'll be cracking on with it tomorrow, the missus an little one are out in the day so i'll have a full day on it
Will & Everets cheers for the comments
No i've not had any previous building experience, i did Mech Eng at University and have always been able to have a bash at turning my hand to stuff without it turning out too disasterously
plus i'm a tight git so i much prefer to do something myself rather than pay others to do it especially if i think "I can probably do that "I should have another update tomorrow evening as i'll be cracking on with it tomorrow, the missus an little one are out in the day so i'll have a full day on it
steviec_lj
Rust Welding Professional
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Just a quick one, it looks like you don't have any local isolation on the 16a Sockets, the MCB can't be used to switch the sockets on and off. I discovered this, and had to spend the best part of £100 on extra parts to make sure they could all (12) be switched individually.
Otherwise, it looks furbing fantabstic. Luckily I only have to rewire my garage, install a dog kennel/run, roof the "cupboard" inside to use it as a compressor store, route an air system around the garage then relay the drive way.
After all that I can start tinkering on my BMW's, an E30 325 and an E34 535, the Vectra 2.0 SRi and the Lexus IS200, and thats before I pursuade the Mrs to let me buy an old Merc.
Otherwise, it looks furbing fantabstic. Luckily I only have to rewire my garage, install a dog kennel/run, roof the "cupboard" inside to use it as a compressor store, route an air system around the garage then relay the drive way.
After all that I can start tinkering on my BMW's, an E30 325 and an E34 535, the Vectra 2.0 SRi and the Lexus IS200, and thats before I pursuade the Mrs to let me buy an old Merc.
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Why would you want local isolation on the sockets?, none of ours at work have it. To isolate the equipment, unplug it.
brightspark
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the plug is the isolator as said above
well this weeks progress has ticked a few of the todo's off the list
1) make end fascia boards done
2) cut shingle to match done
3) seal shingle edges down
4) make door batens done
5) make window frames
6) get windoow glass
7) refit side fascias
8) fit guttering
9) finish lining inside walls done
10) finish cutting roof insulation boards
11) finish lining roof
12) install plug sockets done
13) install lights done
14) fit wiring done
I also had a bit of a major clear up in there as i got fed up of working in a complete disorganised mess, with wood & rubbish thrown everywhere. Once i'd cleared a bit of space and see he floor once more i was able to move the milling machine to its new position. With the scaffold bars it meant i could do it on my own with just bit of pushing and shoving. Spinning it the 180 degress was the toughest part!
Anyway the light at the end of the tunnel is becoming a bit brighter now!
1) make end fascia boards done
2) cut shingle to match done
3) seal shingle edges down
4) make door batens done
5) make window frames
6) get windoow glass
7) refit side fascias
8) fit guttering
9) finish lining inside walls done
10) finish cutting roof insulation boards
11) finish lining roof
12) install plug sockets done
13) install lights done
14) fit wiring done
I also had a bit of a major clear up in there as i got fed up of working in a complete disorganised mess, with wood & rubbish thrown everywhere. Once i'd cleared a bit of space and see he floor once more i was able to move the milling machine to its new position. With the scaffold bars it meant i could do it on my own with just bit of pushing and shoving. Spinning it the 180 degress was the toughest part!
Anyway the light at the end of the tunnel is becoming a bit brighter now!
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Anyway the light at the end of the tunnel is becoming a bit brighter now!
It will get even brighter if you give the walls a coat of white paint!
Looking good though
Mini update, i've 90% finished all of the woodwork! thank god!
I spent the last couple of days cutting and fitting the window frames for the 8 (yes 8!!) windows in the shed. I also got some glass cut for them at a local glaziers And whilst I was picking up the glass for the windows I got talking to the guy about double glazing and he told me i could just make some cheap double glazed units with 2 sheets of glass, some wooden beading to seperate them and silicone them together, so thats what i've done (well in the process of..) I've ordered some silica beads as well (the kinda stuff you find in sachets in new trainer boxes) which will absorb any moisture and i'll just stick some of that in the bottom of each of the windows
oh and i've bought a load of 4"x2" to make a chunky ass workbench!
I spent the last couple of days cutting and fitting the window frames for the 8 (yes 8!!
) windows in the shed. I also got some glass cut for them at a local glaziers And whilst I was picking up the glass for the windows I got talking to the guy about double glazing and he told me i could just make some cheap double glazed units with 2 sheets of glass, some wooden beading to seperate them and silicone them together, so thats what i've done (well in the process of..) I've ordered some silica beads as well (the kinda stuff you find in sachets in new trainer boxes) which will absorb any moisture and i'll just stick some of that in the bottom of each of the windows
oh and i've bought a load of 4"x2" to make a chunky ass workbench!
strube1369
strube1369
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You are gonna love having all those windows! Good idea.
