Caution - Please use for Guidance ONLY
NO guarantee as to the accuracy of these values is given or
implied.
All values should be checked against some other source.
Cable Types:
Twin & Earth or Three Core & Earth
House
wiring cable
S.W.A Xlpe ( TLC - Standard SWA )
SWA with
Xlpe thermosetting insulation giving an increased current carrying
capacity.
S.W.A Pvc
S.W.A with standard Pvc insulation.
Hituf
Pvc insulated with Tough Pvc thermosetting
insulation giving an increased current carrying capacity.
Suitable for
building sites and some garden and other tough conditions.
Notes:
Basis for Calculations:
Cables are not grouped or
bunched
Ambient temperature 30°C
SWA Xlpe - Conductor
temperature 90°C
SWA Pvc - Conductor temperature 70°C
TW
& E - Conductor temperature 70°C
Hituf - Conductor
temperature 90°C
Allowances MUST be made for operating
temperatures outside the above,
for correction factors refer to the
full IEE 16th edition regulations for tables.
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