What size t&e are you all using with the new derating factors ? , i was thinking on using 2.5 but on 20a rings to avoid the expence of 4mm t&e ,
also what are you paying for cable at the moment ? , i had some prices today as follows
1.0 t&e
also what are you paying for cable at the moment ? , i had some prices today as follows
1.0 t&e