17th ref method ?? quick please

[castlon11]

What is the new reference methods as havent done 17th yet was 1,2,3 + 4 now ????

A= ????
B= ????
C= ????
D= ????

Thanks !!

 

[Mac]

PVC cables surface clipped - C
Armoured cables surface clipped - C
MICC cables surface clipped - C
PVC cables installed directly in an insulated wall - A
PVC cables installed in a building void - B
PVC cables in metal / plastic conduit or trunking surface mounted on a wall - B
PVC cables in metal / plastic conduit installed inside an insulated wall - A
PVC cables in metal / plastic conduit installed inside a building void - B For more detailed information see Table 4A2 p261

 

[castlon11]

what about D ?

 

[Mac]

All in this link mate,E,F and G too
Appendix 4 of BS 7671 (Full Article) - Wiring Matters Autumn 2008 (373KB, PDF