No earth wire!

[AndyD]

........In terms of lights, fittings do not need to be earthed if they meet certain conditions, one being out of arms reach from the floor,

Can you give the appropriate regulation to back that up please?

[kosmonooit]

Can you give the appropriate regulation to back that up please?

SANS 10142

6.12.3.2 The following conductive parts do not need to be earthed:

b) exposed conductive parts of fixed electrical equipment that are
1) out of arm's reach from the floor (or walking) level,
2) out of arm's reach from a structure that is bonded to earth, and
3) not exposed to the weather or to the condensation, dripping,
splashing or accumulation of water, and
4) not touching a conductive surface;

and/or

6.14.4 Lamp holders
6.14.4.1 A lamp holder shall be shrouded in insulating material or shall
be earthed, unless it is simultaneously
a) out of arm's reach from the floor or walkway level,
b) out of arm's reach from a structure that is bonded to earth,
c) protected from the weather and the splashing, dripping, or accumulation
of water, and
d) not touching a conductive surface.