16mm twin and earth main supply?

[Tooly1]

16mm twin and earth main supply to storage heater board, no mechanical protection or earthed outer sheating ? No upfront rcd only a bs1361 50amp fuse.

Here’s the updated version including your

Observation:
The inspected apartment contains two consumer units. We were instructed to carry out an EICR on the storage heater board, which is fed via a separate Economy 7 meter located in a communal cupboard on the ground floor. Our inspection found that all Economy 7 supplies in the building are fed from this meter and individually protected via double pole switch fuses containing 50A BS 1361 fuses.

The outgoing cable from each switch fuse is standard PVC twin and earth, which ascends the wall with no mechanical protection as far as could be determined. Within the apartment (first floor), the storage heater consumer unit is fixed to a plasterboard wall. There is a large, unsealed hole behind the unit where the cable enters, and again, no mechanical protection is provided.

The installation is wired in old (pre-2004) colour codes, with no evidence of prior inspection or testing. Based on condition and materials, the installation appears to be approximately 30 years old.

The client has informed us that the landlord or building owner has been made aware of our findings but has expressed frustration regarding the observations.

Classification:
C3 – Improvement Recommended

Regulation Reference:
BS 7671:2018+A2:2022 Regulation 522.6.202 – Cables concealed in a wall or partition at a depth of less than 50 mm from the surface must be provided with additional protection by an RCD not exceeding 30 mA or enclosed in earthed conduit/trunking or protected against penetration.

 

[westward10]

What is the problem?

 

[Tooly1]

Sorry the landlord / building operator believes it isn't an issue and has never been flagged previously. In the previous job notes it stated a electrical danger notice was issued for bno equipment also but not highlighted the danger.

 

[James]

Is the cable surface mounted?

 

[Tooly1]

Is the cable surface mounted?

No it's ran in the stud wall.

 

[littlespark]

It’s a C3…. It is not an “issue”

No work is actually needed.


Regulations change, and something that was once ok, is now a C3…. Other C3’s could now be C2. Especially before harmonisation. The use of RCDs has became much more spread for example.

 

[brianmoooore]

Absolutely fine when it was installed, no reported signs of deterioration, but does not comply with the current regs, so C3.
There are a few things which were installed to the regs at the time would now be considered dangerous, but this isn't one of them.

 

[Tooly1]

Absolutely fine when it was installed, no reported signs of deterioration, but does not comply with the current regs, so C3.
There are a few things which were installed to the regs at the time would now be considered dangerous, but this isn't one of them.

Yeah this is what I have it as

It’s a C3…. It is not an “issue”

No work is actually needed.


Regulations change, and something that was once ok, is now a C3…. Other C3’s could now be C2. Especially before harmonisation. The use of RCDs has became much more spread for example.

Thanks for the clarity. In essence, it's worth noting and just making them aware. I suppose with these EICRs, a lot of installations are still in good working order; it's just our ever-changing landscape of the IET regs that keeps us on our toes!

 

[Tooly1]

Absolutely fine when it was installed, no reported signs of deterioration, but does not comply with the current regs, so C3.
There are a few things which were installed to the regs at the time would now be considered dangerous, but this isn't one of them.

Again, you've put that across very well, many installations out there still that are in good working order, maybe more than the latter ones, unfortunately.

 

[7029 dave]

Whats the issue with the L/L even with a C3 the EICR is still satisfactory

 

[brianmoooore]

With an installation of that age, I'd expect an EICR to produce many more C3s than just one.

 

[7029 dave]

With an installation of that age, I'd expect an EICR to produce many more C3s than just one.

Yep but still satisfactory

 

[brianmoooore]

Yep but still satisfactory

Exactly. So why is the landlord getting uppity over this one?

 

[DefyG]

Exactly. So why is the landlord getting uppity over this one?

Maybe like a LL we worked for once, where she seemed to take it personally that things were not 100% and so wanted everything brought up to speed including C3's