Table 8.7 - Temperature correction factors for insulation
Insulation type
Correction factor
-
Bunched or as a cable core
Not bunched or
sheathed cable
p.v.c.
1.20
1.04
85C rubber
1.26
1.04
90C thermosetting
1.28
1.04

Extracted from The Electricians Guide Fifth Edition
by John Whitfield

Published by EPA Press
Click Here to order your Copy

Click here for list of abbreviations