TCBs
1.2m long
10mm2 multi strand
Pipework installation factors (5)
Safety precautions
Materials
Sized requirement
Route
Appearance
Avoid using compression joints (2)
Underfloors
Ducts/ void
Depth: Private garden/ pathway w/o vehicle traffic
375mm
Depth: Private drives with light vehicle traffic
450mm
Depth: Private drive with heavy vehicle traffic
600mm
Depth: Agricultural/ fields
1100mm
Depth: Other private ground
600mm
Copper 15mm vertical/ horizontal
2.0m 1.5m
Copper 22mm vertical/ horizontal
2.5m 2.0m
Joist has to be atleast.. deep
100mm
Distance from electric meter/main service
150mm
Distance from cables/ switches
25mm
Main bonding fitted within
600mm / before first tee