BS 7870-4.20:2011+A1:2016
Current
The latest, up-to-date edition.
LV and MV polymeric insulated cables for use by distribution and generation utilities Specification for distribution cables with extruded insulation for rated voltages of 11 kV to 33 kV - Three-core 11 kV cables (Implementation of HD 620)
Hardcopy , PDF
English
30-06-2016
Important note : Users cannot be edited or removed once added to your Multi user PDF.| Committee |
GEL/20/16
|
| DocumentType |
Standard
|
| Pages |
28
|
| PublisherName |
British Standards Institution
|
| Status |
Current
|
| Supersedes |
This section of BS7870 specifies requirements for the construction, dimensions and mechanical and electrical properties of 6.35/11(12) kV three-core cables having either aluminium or copper conductors, cross-linked polyethylene (XLPE) or ethylene propylene rubber (EPR) extruded insulation, a copper wire metallic screen and an oversheath of one of the following compounds. medium density polyethylene (MDPE) compound typeDMP 5 (TypeA cables); thermoplastic compound typeDMZ 4 for cables having a low emission of smoke and corrosive gases when affected by fire (TypeB cables). This section of BS7870 is applicable to cables that are designed for a maximum continuous conductor operating temperature of 90°C and for a maximum short-circuit conductor temperature of 250°C. NOTE Information to be supplied by the purchaser, and items to be agreed between the purchaser and the manufacturer at the time of enquiry and/or order are given in AnnexB. Guidance on type testing is given in AnnexC.
Access your standards online with a subscription
Features
-
Simple online access to standards, technical information and regulations.
-
Critical updates of standards and customisable alerts and notifications.
-
Multi-user online standards collection: secure, flexible and cost effective.