For both installation methods, the insulation tube must secured such that the space between conduit and the wall
surface less than 0,3 times the diameter the insulation tube. Natural convection shall not be
obstructed. space equal that the outside diameter suf cient for single core cables and plastic-
sheathed wires order meet the current carrying requirements for installation the open-air. The space from the cable insulated wire each bordering surface shall 0,3 times that the
outside diameter.
This problem still being investigated CENELEC.
Installation method C
● Single core multicore cables, single core multicore plastic-sheathed cables, wooden wall. The current carrying capacity can increased when installed directly
on the masonry construction well underneath the plaster.
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● Single core multicore cables, single core multicore plastic-sheathed cables, installed the open air.
The cables insulated wires shall mounted such that the space from the wall surface less than 0,3 times the
outer diameter the cable insulated wire.
INSTALLATION METHODS AND OPERATING CONDITIONS
– Power cables and insulated wires for xed installation.
The cable insulated wire shall installed such that the dissipation heat not impeded, whereby allowance
shall made for heating other sources and for irradiation sunshine. The plastic metal insulation tube can installed
directly the masonry construction plastered surface, whereby the current carrying capacity the cables wires
can then higher. The plastic metal in-
sulation tube mounted such that this very close the inner wall without actually being conduct with the wall.1064
Installation method type A1
● Single core cables insulation tube thermally insulated wall.
Installation method B1
● Single core cables insulation tube wooden wall.
Installation method B2
● Multicore cables multicore plastic-sheathed cables insulation tube wooden wall.
This problem still being investigated CENELEC.
Installation method A2
● Multicore cables multicore plastic sheathed cables the insulation tube thermally insulated wall, whereby the
walls for the methods installation employed comprise outer weatherproof board, thermal insulation and an
inner board wood materials similar wood, having temperature lag 0,1 m2
K/W
