Interesting - the EarthSure version seems to have a G/Y covered c.p.c. but is still the same overall size as normal T&E with a bare c.p.c., due to a having a thinner sheath of improved material. Doesn't comply with BS 6004, but  they seem to have negotiated BASEC approval.

I think the Irish already have T&E with an insulated c.p.c. (and possibly a full size c.p.c. as well) - which is presumably to suitable IS - and therefore likely to be directly acceptable to BS 7671 under the 'appropriate standard of another country' clause.

   - Andy.

AJJewsbury said:

I think the Irish already have T&E with an insulated c.p.c. (and possibly a full size c.p.c. as well) - which is presumably to suitable IS - and therefore likely to be directly acceptable to BS 7671 under the 'appropriate standard of another country' clause.

That's a possible route for conformity with BS 7671, as long as there's a constructional standard that meets the requirements of Reg Group 511 in not leading to a "declaration" or "departure", but it not being a UK national standard it's likely no data would be included in Appendix 4 for that cable type (if indeed it were different tables to BS 6004).

AJJewsbury said:

I think the Irish already have T&E with an insulated c.p.c. (and possibly a full size c.p.c. as well) - which is presumably to suitable IS - and therefore likely to be directly acceptable to BS 7671 under the 'appropriate standard of another country' clause.

That's a possible route for conformity with BS 7671, as long as there's a constructional standard that meets the requirements of Reg Group 511 in not leading to a "declaration" or "departure", but it not being a UK national standard it's likely no data would be included in Appendix 4 for that cable type (if indeed it were different tables to BS 6004).

https://www.idh.ie/oldwebsite/quality-approved-cables/fumeguard-low-smoke-zero-halogen-cables/new-features-201b.html

The Irish stuff has BASEC approval, and as such would be OK here without further testing.

Note that the one illustrated is polythene, so less of a poisonous smoke risk than vinyl - no hydrochloric acid gas created - just sooty smoke and  a smell like rather a lot of candle wax.

Mike