as long as the breaker is rated so that Ib<In < Iz (of the smallest csa cable), it's fine.

Spurring off is ok obviously

Then you have fixed loads immersion etc where the CSA may be smaller than the fixed wiring and also accessories such as pendants where the wiring is smaller which is ok

If you take the cover off a DB and there's a 6 sq connected into a 20 amp MCB because someone has downrated the final circuit somewhere along it's length

Well I don't agree with that
 
Spurring off is ok obviously

Then you have fixed loads immersion etc where the CSA may be smaller than the fixed wiring and also accessories such as pendants where the wiring is smaller which is ok

If you take the cover off a DB and there's a 6 sq connected into a 20 amp MCB because someone has downrated the final circuit somewhere along it's length

Well I don't agree with that
If there's a schedule with the circuit details on, I don't see a problem.
 
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If there's a schedule with the circuit details on, I don't see a problem.
I dunno I reckon it's bad practice

A schedule is just a piece of paper

What if you went on blind without the schedule ?
 
If you're doing the job you leave a schedule at the db.

Anyway, If I find a 6mm in a 20amp breaker, I think there must be a reason?
If someone just says 'that's wrong. I'm gonna change it to a 30amp' it's a damn site more shoddy and a lot more bad practice, I reckon.
 
If you're doing the job you leave a schedule at the db.

Anyway, If I find a 6mm in a 20amp breaker, I think there must be a reason?
If someone just says 'that's wrong. I'm gonna change it to a 30amp' it's a damn site more shoddy and a lot more bad practice, I reckon.
Fair enough ok
 
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First pic
This was a job done for a customer of mine a week ago, the building contractor used their own electrician as the quoted work was all inclusive. Oh dear, I wonder which circuits are new??
IMG_20210911_1048585.jpg



second pic
Doing some remedial work for a failed EICR and was drilling through for a 10mm bond, damn that was lucky!!
IMG_20210914_1500202.jpg
 
First pic
This was a job done for a customer of mine a week ago, the building contractor used their own electrician as the quoted work was all inclusive. Oh dear, I wonder which circuits are new??
View attachment 90141


second pic
Doing some remedial work for a failed EICR and was drilling through for a 10mm bond, damn that was lucky!!
View attachment 90142
it's a bullseye, and here's your host, Drill Bowen.
 
First pic
This was a job done for a customer of mine a week ago, the building contractor used their own electrician as the quoted work was all inclusive. Oh dear, I wonder which circuits are new??
View attachment 90141


second pic
Doing some remedial work for a failed EICR and was drilling through for a 10mm bond, damn that was lucky!!
View attachment 90142
Were you trained by Artisan Electrics Drilling Company by any chance?
 
@Strima
This was in an old cottage, the Wall was 750mm thick and I had took it off hammer for the last bit, it was damn lucky that it didn't break the tile or hit the pipes or wiring! I breathed a sigh of relief!

@loz2754
I think I've been doing this since before artisan started, seems like it some days anyway?
 
Some little treasures from todays EICR.

I have to say it's the first time I've seen a CU configured that way.....
IMG_20210918_141557.jpg
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IMG_20210918_122124.jpg
IMG_20210918_113140.jpg
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That's some really poor work there!
 
Fire at a local industrial laundry, some remedial work required to the electrical installation.
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Not really, the building was recently demolished.
 
… there's a light switch we can't take off because like your pictures, some ***wit tiled around it.
There are some elements of some trades that I really 'kin hate.

* One day I'll carefully rake out the grout around it, but then it'll need a spacer frame grouting in as the tiles won't be behind it to screw it down onto.
Yup, it’s a shame there isn’t something like an nice-looking oversize grid plate available for exactly this issue. Like you can get to reduce the huge holes where giant cfl or PAR ceiling lights once sat.
 
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In other words petrol and matches!
 

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Dodgy trade pictures for your amusement! - 1 Million Views!
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