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Technical Specifications

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Technical Information

Cable: Current Carrying Capacity Charts | PVC Flexes

PVC Flexes: BS 6141 & BS 6500

Table 4F3A -­ flexible cords, non-­armoured (copper conductors)

Current Carrying Capacity

Current-carrying capacity
Conductor
cross-sectional Single-phase A.C.
area
Current-carrying capacity
Maximum mass
supportable by
Three-phase A.C. twin flexible cord
(see Regulations
522.7.2 and 559.6.1.5)
D.C. or single-phase A.C Three-phase A.C.
mm2AAkg
0.5332
0.75663
110105
1.2513-5
1.516165
2.525205
432255

RATING FACTOR FOR AMBIENT TEMPERATURE
60ºC thermoplastic or thermosetting insulated cords:
Ambient temperature35ºC40ºC45ºC50ºC55ºC
Rating Factor0.910.820.710.580.41

90ºC thermoplastic or thermosetting insulated cords:
Ambient temperature35ºC to 50ºC55ºC60ºC65ºC70ºC
Rating Factor10.960.830.670.47

Glass fibre cords:
Ambient temperature35ºC to 150ºC155ºC160ºC165ºC170ºC175ºC
Rating Factor10.920.820.710.570.4

180ºC thermoplastic or thermosetting insulated cords:
Ambient temperature35ºC to 120ºC125ºC130ºC135ºC140ºC145ºC
Rating Factor10.960.850.740.60.42

VOLTAGE DROP

Table 4F3B Conductor operating temperature: 60ºC

Conductor
cross-sectional
area
D.C. or single-phase A.C Three-phase A.C.
mm2AmV/A/m
0.59380
0.756254
14640
1.2537-
1.53227
2.51916
41210

NOTE: *The tabulated values above are for 60ºc thermoplastic or
thermosetting insulated flexible cords and for other types of flexible
cords they are to be multiplied by the following factors:
FOR: 90ºC thermoplastic or thermosetting insulated1.09
180ºC thermosetting insulated1.31
185ºC glass fibre1.43

DISCLAIMER: The infomation on this page and the pdf is for information only and R&M Electrical Group Ltd can not be held liable for any information therein.

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