Twin & Earth

Construction

High conductivity solid or stranded plain copper conductors, insulated and colour coded with general purpose grade PVC. These insulated cores plus a bare copper earth wire are then sheathed with flexible grade PVC in a flat parallel configuration.

Applications

Twin & earth is for direct installation without further protection in roofs, floors and under plaster in houses, offices and buildings. It’s neat, low profile also allows for surface installation. As twin & earth is manufactured to SANS 1507, it is approved by municipalities and Eskom and is used by electrical contractors and electricians.

Specification (SANS 1507-2)

Voltage rating: 300/500 Volts
Test voltage: 2250 Volts
Current capacity AC: As per table below
Temperature range: -10° to +80°C
Flexibility class: 1 & 2
Conductor type: High conductivity annealed copper
Insulation material: General purpose grade PVC
Sheath material: Flexible grade PVC
Sheath colours: White
Core colours (Twin & Earth): Red and black, bare copper earth
Core colours (Trip & Earth): Red, blue, yellow and bare copper earth

Packaging

Available in shrink-wrapped 100m coils. 1000m drums available on request.

Technical data (Twin & Earth)

Size mm²	No. of cores	Earth mm²	Nominal Amps	Nominal Breadth & Height	Mass kg/100m
1.0	2	+1.0	14	7.6×4.1	6.35
1.5	2	+1.0	22	8.5×4.6	8.16
2.5	2	+1.5	30	10.1×5.4	11.93
4.0	2	+1.5	40	11.9×6.4	17.50
6.0	2	+2.5	51	13.4×6.9	23.54
10.0	2	+4.0	70	16.8×8.3	37.87
16.0	2	+6.0	91	19.6×9.5	54.66

Technical data (Trip & Earth)

Size mm²	No. of cores	Earth mm²	Nominal Amps	Nominal Breadth & Height	Mass kg/100m
1.0	3	+1.0	12	9.9×4.1	8.55
1.5	3	+1.0	19	11.3×4.6	11.22
2.5	3	+1.5	25	13.5×5.41	16.46
4.0	3	+1.5	33	16.1×6.4	24.66