Cost is more than other wiring system
It is inflammable and risk of fire
It is difficult to locate the fault
It requires frequent maintenance
2 metre
2.5 metre
3.0 metre
4.0 metre
10 mm
15 mm
20 mm
25 mm
conduit surface wiring
conduit concealed wiring
casing and capping wiring
batten wiring
pouring concrete
centering
shuttering
load bearing walls