GB/T 12706.1–2008 Power cables with extruded insulation and their accessories for rated voltages from 1kV (Um=1.2kV) up to 35kV (Um=40.5kV) – Part 1: Cables for rated voltage of 1kV (Um=1.2kV) and 3kV (Um=3.6kV) (Text of Document is in English) - Beijing translation compay

Contents
Foreword
1 Scope
2 Normative References
3 Terms and definitions
4 Voltage designations and materials
5 Conductors
6 Insulation
7 Assembly of multicore cables, inner coverings and fillers
8 Metallic layers for single-core and multicore cables
9 Metallic screen
10 Concentric conductor
11 Lead sheath
12 Metallic armour
13 Oversheath
14 Test conditions
15 Routine tests
16 Sample tests
17 Type tests, electrical
18 Type tests, non-electrical
19 Electrical tests after installation
20 Supplementary terms for cable products
Annex A (Normative) Fictitious calculation method for determination of dimensions of protective coverings
Annex B (Normative) Rounding of numbers
Annex C (Normative) Determination of hardness of HEPR insulations
Annex D (Normative) Supplementary terms for cable products