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The Electra-Cables 7-050-1R is a 1.5mm² single double insulated (SDI) cable rated 450/750V, supplied as a full 100-metre drum with red PVC insulation and white outer sheath. The 7-050-1R features seven strands of 0.50mm annealed copper conductor, terminating inside switchboards, sub-main conduit runs, and lighting circuits per AS/NZS 3000. The cable complies with AS/NZS 5000.2 and carries a 16A current rating for unenclosed touching installation (8A with thermal insulation, 24A buried in ducts).
A full drum eliminates return trips to the wholesaler on medium domestic switchboard projects and commercial work. The Electra-Cables range is specified by licensed electricians across residential and commercial installations where flexibility and dual-insulation protection justify the cost of two PVC layers over flat twin-and-earth on surface runs. Keeping an SDI drum on the truck reduces labour handling time when the circuit run requires conduit protection or switchboard termination.
Licensed electricians value the 7-050-1R for job flexibility and compliance certainty. A single 100-metre drum covers the majority of active, neutral, and earth wiring on a medium domestic board, with no wastage or short-cut anxiety. Bulk pricing is available through the trade enquiry line for larger orders, and fast Australia-wide delivery from Sparky Direct means the cable arrives within days, not weeks. The Electra-Cables brand is stocked at every major electrical wholesaler, so swapping suppliers mid-project carries no risk of discontinued stock or variant mismatch.
The Electra-Cables 7-050-1R is not suitable for unprotected surface runs, outdoor installations, or locations subject to mechanical damage. SDI cable requires conduit, trunking, or switchboard enclosure protection to meet electrical safety standards. Do not install in direct contact with polystyrene or polyurethane insulation materials. The cable is not rated for DC or variable-frequency drive circuits without further verification against AS/NZS 3008.1.1 for the specific installation.
Verified Sparky Direct customer reviews: Electra-Cables 7-050-1R (7-050-1R)
"Good quality, flexible, easy to use." — AL
"Very fast to dispatch and I received cable within a couple of days." — Chris
"Quality cable at a great price. Speedy order processing and pick up availability." — Sharpy
(7-050-1R)
The 7-050-1R is rated 16A for unenclosed touching installation, 8A when surrounded by thermal insulation, and 24A when buried in ducts. For conduit runs in air at 40°C ambient, refer to AS/NZS 3008.1.1. The unenclosed rating of 16A typically applies. Load calculations must account for installation method and conductor temperature limits.
The cable does not require special preparation. Simply draw it through conduit or trunking and terminate the stranded copper conductor to the switchboard bar or post using mechanical lugs or solder joints per AS/NZS 3000. Ensure the outer sheath is intact and no insulation is damaged before installation. Strip only the length of outer sheath necessary at each termination point.
No. The 7-050-1R is not rated for outdoor or external surface runs. It requires conduit, trunking, or switchboard enclosure protection to meet electrical safety standards. For outdoor sub-main or external wall work, use an outdoor-rated sheathed cable or discuss alternatives with a licensed electrician.
Yes. All Electra-Cables SDI sizes (1.0mm, 1.5mm, 2.5mm, 4mm, 6mm) use the same termination practices and comply with AS/NZS 5000.2. The 7-050-1R can run alongside other SDI sizes on the same switchboard without any compatibility issues. Colour coding remains consistent across the range.
The cable carries a manufacturer's warranty covering defects in materials and workmanship. The 7-050-1R is stocked at Sparky Direct as new, unopened cable. Return within 100 days for a full refund if unused or contact Sparky Direct support within 24 hours if the cable arrives damaged. For fault claims beyond the return period, contact Electra-Cables directly through your wholesaler.
Store the full drum indoors in a cool, dry location away from direct sunlight, heat sources, and corrosive chemicals. PVC insulation hardens in extreme cold and becomes plastic in heat, so maintain storage temperature between 10°C and 30°C. Keep the outer sheath intact until installation to prevent contamination or UV degradation. A full drum stored this way remains fit for use for several years.
The Electra-Cables 7-050-1R is available online from Sparky Direct, with Australia-wide delivery to any state or territory including regional areas. Sparky Direct is an Australian electrical wholesaler established in 2005, supplying more than 500,000 customers with transparent trade pricing.
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All products come with a manufacturer’s or supplier’s warranty
Damaged or Faulty Goods
If your order arrives damaged or is faulty, let us know within 24 hours.
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How to Request a Return
Warranty starts from Invoice Date
Domestic Use: 1 Year
Commercial Use: 1 Year
Warranty Method: Return to Sparky Direct
These specifications and characteristics outline physical, mechanical, electrical details.
| Brand | Electra-Cables |
| SKU | 7-050-1R |
| Package Weight | 3.400kg |
| TYPE | VALUE |
|---|---|
| Type | Cable |
| Brand | Electra-Cables |
| Voltage (V) | 450/750 |
| Diameter (mm) | 4.5 |
| Cable Core Colour | Red |
| Sheath | White |
| Cable Size (mm) Squared | 1.5 |
| Cable Drum Length (m) | 100 |
Electrical and HVAC products sold by Sparky Direct are intended for installation by licensed and appropriately qualified professionals in accordance with applicable Australian Standards and regulatory requirements. Customers are responsible for ensuring that any product purchased, including any related or associated components, is compatible and suitable for their intended installation and application.
Sparky Direct does not provide installation advice and does not assess product suitability for individual circumstances unless expressly confirmed in writing. Customers must confirm correct product selection, compatibility, compliance, and suitability with a licensed or appropriately qualified professional prior to purchase.
Tools sold by Sparky Direct must be used safely and in accordance with the manufacturer’s instructions. Customers are responsible for ensuring they have the necessary knowledge and competence to operate any tool purchased. If you are unsure how to safely or correctly use a tool, do not use it and seek guidance from the manufacturer or a suitably qualified professional.
Nothing in this clause limits or excludes any rights or guarantees available under the Australian Consumer Law.
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