CSA C68.3 : 1997

Technical Committee on Insulated Power Cables
Subcommittee on Shielded and Concentric Neutral Power
Cables Rated 5-46 kV
Preface
Foreword
1 Scope
2 Reference Publications
3 Definitions
4 Construction
   4.1 Conductors
   4.2 Conductor shield
   4.3 Insulation
   4.4 Insulation shield
   4.5 Bonding conductor for shielded cables (optional)
   4.6 Multiple conductor cables - cabling, fillers,
        and conductor identification
   4.7 Jacket
   4.8 Metallic coverings (optional)
   4.9 Optional overall thermoplastic covering over
        metallic sheath or armour
5 Marking
   5.1 Marking of shielded cable and jacketed concentric
        neutral cable
   5.2 Marking of unjacketed concentric neutral cable
   5.3 Marking on reel
6 Tests
   6.1 General
   6.2 Electrical tests on reels of completed cable
   6.3 Tests on samples from manufacturing lengths
   6.4 Capability tests
7 Sealing of cable ends
Tables
Figure
Appendices
A - Information to be supplied by the purchaser
B - Maximum conductor temperature for normal operation,
    emergency overload, and short-circuit conditions
C - Calculated nominal diameter over insulation for common
    sizes and voltages based on clauses 4.3.2 and 4.3.3
D - Neutral conductor constructions
E - National unity purchasing specifications for medium
    voltage power cable
F - Guidance on selection of temperature ratings of jackets
    and coverings

Applicable to the materials, construction, and testing of one- to four-conductor shielded and single-conductor concentric neutral cables incorporating cross-linked polyethylene or ethylene-propylene rubber insulation with optional thermoplastic or thermoset jacket and optional metal sheath or armour.