In my opinion the periodic inspection was around half of the price that it should have been. What this suggests about the competence of the Inspector is up to you to decide.
It's not simply a matter of it being unreasonable in all of the circumstances to work dead, it additionally must be reasonable to work at or near it live, and also suitable precautions must be taken. No point in only quoting one of the three absolute requirements in the law for live working.
Surely it's a three-phase supply there rather than a large single phase supply? You really need someone familiar with Czech wiring regulations and practices.
I would ask the fire alarm installer to justify his claim. That said, personally I think that metallic containment would be a better solution for all of the reasons mentioned in response to your post. But that's not to suggest that non-metallic containment would be in breach of any Rule.
Sounds very cheap for that to me. Certainly I would charge more for that.
I would have expected data cable at least for load curtailment purposes however.
In the old days of the OLEV grant we used to have to send proof of manufacturers' approval for each different make & model of chargepoint we could fit under the grant. Of course each manufacturer insisted on doing their training first...
Furthermore a representative of Doncaster Cables themselves has also stated that it is not rated as insulation, but is merely there as identification as you state.
Yes, and in my opinion strictly speaking does not comply with BS 7671 as the RCD-style functionality of the device is not actually achieved by the presence of an RCD complying with one of the listed Standards.
OK, when you refer to the RCD within the unit deriving from an RDC-DD (not RCD-DD) within the unit, then I am surmising that this is an electronic device within the unit and not actually an RCD complying with BS EN 61008 or BS EN 61009. As such, personally I do not feel that it is compliant to...
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