I don't think they should use SY cable in the AM2, it's not a cable mentioned in BS7671. On industrial sites I work on we generally use SWA to supply pumps. There is no information available from the manufacturers about how the braid performs under fault conditions. And for any AC installers out there it is NOT suitable for use outside as the sheath breaks down under sunlight.
I've wondered that. No manufacturers publish details of the braid current carrying capacity under fault conditions, so it is impossible for the designer to confirm it is at least equivalent to British Standards.
Hi Jason, thank you for your comment. Most centres don’t have spanners available. These videos support learners going into a certain environment. Spanners would be best practice but grips are commonly used, and if used correctly won’t leave burrs. Banjos are discussed when glanding.
