Flat Twin and Earth Cable

Description

DESCRIPTION:
Solid or stranded plain copper conductors, PVC insulated, laid up with bare copper earth wire,
PVC sheathed overall
APPLICATION:
For the wiring of Under-plaster wiring, Roof wiring, Under-floor wiring
SPECIFICATION: SANS 1507-2
Voltage Rating: 300/500 V
Temperature Range: -10°C to 70°C
Sheath colours: Black and white
Core colours: 2 core – black and red
3 core – blue, red and yellow

Installation Information

Complies with SANS 10142/2001 “Code of Practice for the wiring of Premises” Section 6, Clause 6.3.6:

  • Surface wiring
  • Under-plaster wiring
  • Roof access wiring
  • Wiring in hollow walls

 

Properties
Specification : SANS 1507-2
Temperature Range : -10°C to 70°C
Voltage Rating : 300 / 500V
Sheath Identification : White & Black
Core Identification : 2 Core – Red & Black, 3 Core – Red, Yellow, Blue
Packaging : 100m shrink – wrapped coils

 

Technical Data

Cable
Size
*
Electrical Properties Physical Properties
Conductor
Resistance
(dc @ 20°)
Current
Rating
**
Volt
Drop
***
1 Sec Short
Circuit
Rating
Approx.
Overall
Diameter
Approx.
Cable
Mass
Phase Earth Phase Earth
(mm²) (Ω/km) (A) (mV/A/m) (kA) (mm) (kg/100m)
2 Core
1,5 1 12,1 18,1 17 29 0,14 8,7 x 4,7 8,7
2,5 1,5 7,4 12,1 23 18 0,24 10,3 x 5,5 12,8
4 1,5 4,61 12,1 30 11 0,38 11,9 x 6,4 17,5
6 2,5 3,08 7,41 38 7,3 0,58 13,4 x 7,0 23,3
10 4 1,83 4,61 52 4,4 0,96 16,5 x 8,3 36,1
3 Core (Trip)
1 1 18,2 18,2 12 38 0,11 4,4 x 10,4 8,9
1,5 1 12,1 18,2 15 25 0,14 4,8 x 10,5 9,9
2,5 1,5 7,4 12,2 20 15 0,24 5,5 x 12,3 14,1

 

 *   Conductors larger than 2,5mm² are usually stranded.
 **   Maximum conductor temperature 70°C, and installed as per installation Method 3 of
SANS 10142-1.
 ***   2 Core – Volt drop is phase to Neutral (ie. Single-phase).
3 and 4 Core – Volt drop is phase-to-phase. (ie. Three phase AC).

 

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