Spurs to a 13A socket and a light switch need to cross a room in the
ceiling void between 2 joists. Then down the wall to the new socket
and a light switch.

Two Qs:

1. the ceiling void is clear (no thermal insulation) what is the ideal
way to route the cable? Ie clip to side of the joist?; Lay it loosely
on the plasterboard ceiling? or run it in mini-trunking or conduit?

2. both cables go down the wall (under plaster) in line to the double
13A backing box. The light cable is then to go 1m along the wall to
the switch. How should the lighting cable be run near the 13A backing
box? ie diverted round the outside or into the 13 A box and out
again?

TIA

"jim" wrote in message
...
Spurs to a 13A socket and a light switch need to cross a room in the
ceiling void between 2 joists. Then down the wall to the new socket
and a light switch.

Two Qs:

1. the ceiling void is clear (no thermal insulation) what is the ideal
way to route the cable? Ie clip to side of the joist?; Lay it loosely
on the plasterboard ceiling? or run it in mini-trunking or conduit?

I would clip to the joist, I can't see the advantage of conduit up there,
and laying it loose looks untidy :0-)

2. both cables go down the wall (under plaster) in line to the double
13A backing box. The light cable is then to go 1m along the wall to
the switch. How should the lighting cable be run near the 13A backing
box? ie diverted round the outside or into the 13 A box and out
again?

I would take both down the wall in a conduit, to end up in the corner of the
socket's box nearest the light switch, then another conduit to the light
switch from the side of the socket's box, then if you need to replace the
cable later for any reason (It gets damaged, or you decided you install more
switches) then it can be done without having to hack the wall apart again.

Toby...