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

Inspection elbows, bends and Tee's

Solid elbows, bends and Tee's

Conduit saddles

Metal coupling with check nut

0.8 mm

1.0 mm

1.2 mm

1.6 mm