OK, new rules say I should use metal boxes and rubber grommets
Can I cut channels horizontally and vertically, lay cable and plaster over ?
or do we have to
use metal sleeves, covers, trunking ?
anything else ?
Can't think of any changes to rules in this area, since probably
Yes, providing the runs are only vertical and horizontal from
visible wiring accessories, or run close to the corner between
two walls or the wall and the ceiling.
I would suggest using oval trunking, as it means you can easily
thread a new wire through if necessary, but it's not mandatory.
Earthed metal conduit is required for any cable runs whose route
doesn't conform to the rules above, unless it is buried more than
2" behind all wall surfaces.
So my ring coming accross the ceiling will have do go down to a socket
back up to the ceiling accross and down again to the next etc etc
thats loads of cable and an increase in costs
who can't I just go horizontal ?
I don't have the regs on me to check, but I think you are wrong.
Horizontal wiring between these visible wiring accessories would
be permitted. Running a recessed wire at skirting level which is
not between visible wiring accessories would not be permitted.
In kitchens I believe they have run down under the work surface then back up
to the next socket. Its a rule that professionals use ie wire always
vertically up or down from socket. then you cant go wrong.
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