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        Electra-Cables | Building Wire 16mm² 0.6/1kV | Red PVC 100m

        The Electra-Cables 7-170BWR is a single-core building wire rated 16mm² conductor size, 0.6/1kV operating voltage, designed for mains, sub-mains, and sub-circuit installations in residential, commercial, and light industrial buildings under AS/NZS 5000.1 compliance. The 7-170BWR is supplied on a 100-metre drum with annealed copper conductor, PVC V-90 insulation, and a red outer sheath.

        Building wire 16mm² is the standard choice for sub-main feeds and high-current circuits where voltage drop and load-carrying capacity matter. The jump from 10mm to 16mm marks the transition from standard domestic lighting and power subcircuits to primary distribution runs feeding secondary switchboards, large individual loads, or whole-section rewires. A single 100m drum is sized for typical rewire jobs and new-build substaging without requiring frequent splices.

        Electricians specify the Electra-Cables 7-170BWR for straightforward pricing, consistent PVC insulation, and quick inventory turnover. The red outer sheath follows Australian convention for active conductors, making circuit identification instant on the job site and reducing termination errors when bulk-wired into switchboards or distribution equipment. Single-core in conduit is the fastest install method for high-current runs, and the cable's compact 7.1mm overall diameter fits standard commercial conduit without crowding.

        Features

        • 16mm² conductor cross-section — rated for approximately 71 amps under standard installation conditions, supporting sub-main and high-current circuit applications without the cost of 25mm² cable.
        • Annealed copper conductor — standard electrical-grade copper hardness ensures long-term conductivity and allows field termination without brittleness or joint stress.
        • PVC V-90 insulation — complies with AS/NZS 5000.1, rated for continuous operation up to 90°C, with no special heat management required in most domestic and commercial installations.
        • 0.6/1kV voltage rating — suitable for mains, sub-mains, and sub-circuit feeds in buildings and industrial plants not subject to mechanical damage, matching standard Australian distribution voltages.
        • Red outer sheath — active-phase colour per Australian electrical convention, eliminating re-identification on site and reducing circuit termination errors in multi-core switchboard work.
        • 100-metre drum — single purchase covers most domestic rewires, new-build staging, or commercial circuit additions without requiring mid-job cable splices.
        • 7.1mm overall diameter — compact profile fits standard commercial conduit efficiently, with 30mm bend radius for transitions and conduit entries.
        • Stranded construction (7 × 1.7mm strands) — flexibility at termination points and during installation without requiring heat-shrink or additional protection during core straightening.
        • Not suitable for outdoor or wet exposed areas — PVC insulation is not UV-resistant and should not be used in unprotected outdoor locations or direct burial; conduit protection or underground-rated cable is required for those applications.
        • Bulk discount eligible — single-core cable is commonly stocked in 100m and 500m lengths, with per-metre cutting available for larger jobs or custom circuit planning.

        Where to use

        • Sub-main feeds to secondary boards — the 7-170BWR is the industry-standard size for connecting a main distribution point to a sub-switchboard in domestic and light-commercial additions.
        • Domestic kitchen and laundry circuits — large combined loads (stovetop, oven, dishwasher, washing machine) in renovations and new builds often require 16mm² supply from the main board to a secondary distribution point or dedicated sub-circuit.
        • Industrial machinery and workshop power — single-phase or three-phase motor circuits and high-draw machinery installations use 16mm² for mains runs, with the red sheath marking active legs in polyphase work.
        • Solar inverter feed and battery backup circuits — renewable energy system designs often specify 16mm² for high-current DC and AC distribution between inverter, battery storage, and the main switchboard.
        • New-build housing subdivisions and staged construction — builders and contractors use 100m lengths for staged wiring of multiple homes within a single purchase, reducing inventory complexity on multi-lot sites.
        • Commercial office rewiring and tenant fit-out — office renovations and data-centre secondary distribution typically require 16mm² to support modern peak loads without branch-circuit voltage drop.

        The Electra-Cables 7-170BWR is not suitable for outdoor, damp, or underground direct-burial applications without conduit or cable protection. Do not use in wet areas (bathrooms, laundries) where splash or moisture exposure is expected, or for external wall wiring subject to UV radiation or extreme temperature cycling.

        Verified Sparky Direct customer reviews: 16mm Red Building Wire Cable | PVC 100mtrs (7-170BWR)

        "Great deal and great product. A little stiff but great for building wire." — Eric

        "Received - exactly as described" — A

        "Great product excellent price" — E

        (7-170BWR)

        The 7-170BWR is rated for approximately 71 amps under standard installation conditions (single core in air, 30°C ambient). Actual derating depends on installation method (conduit, grouping, ambient temperature), so consult AS/NZS 3008 for your specific site conditions.

        No. The 7-170BWR has PVC V-90 insulation and no UV or mechanical protection, so it is not suitable for underground direct-burial or outdoor exposed installation. Conduit protection is required for any underground or exterior runs.

        The 7-170BWR complies with AS/NZS 5000.1 (Australian and New Zealand standard for low-voltage power cables up to and including 0.6/1kV), with annealed copper conductor and PVC V-90 insulation meeting rated temperature and voltage specifications.

        The 7-170BWR is a single-core cable, commonly installed as a single core in conduit alongside other single-core cables (neutral and earth) for multi-run circuits, or as a standalone active or neutral conductor in larger installations. Multi-core cables are available separately if a composite cable is required.

        The 7-170BWR is standard as a 100m drum, meeting most residential and light-commercial circuit requirements in a single purchase. Other pack lengths (500m) may be available through Sparky Direct on request, and per-metre cutting can be arranged for custom circuit lengths.

        The Electra-Cables 7-170BWR 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.

        100-Day Fuss-Free Returns
        We want you to love what you buy—but if you change your mind, that’s okay too. That’s why Sparky Direct offers a 100-day money-back guarantee.

        • Items must be unused, with all parts, accessories, and original packaging.
        • We can’t accept returns if the product is damaged, incomplete, or not in resalable condition.
        • Proof of purchase is required.
        • Return shipping is the responsibility of the customer. 

        If your item isn’t in its original condition, please contact us before returning it—we might save you time and money.

        All products come with a manufacturer’s or supplier’s warranty

        • Warranty starts from the Invoice Date
        • Some suppliers offer in-home warranties and handle claims directly, so you won’t need to uninstall or return the product. Chat with us to check if your product qualifies.
        • Sparky Direct isn’t responsible for losses caused by product failure.
        • Warranties are void if products aren’t installed by a licensed electrician.

        Damaged or Faulty Goods
        If your order arrives damaged or is faulty, let us know within 24 hours.

        • Sparky Direct will pay for return shipping via an emailed return label.
        • If the fault is confirmed, we will send you a replacement item or provide a refund.

        Contact us via our chat to arrange the return.

        Exclusions
        We can’t accept returns for:

        • Items that have been installed, modified, or used
        • Clearance, End of life, Discontinued, or special order items (unless faulty)
        • All PPE Items
        • Goods returned without original packaging or proof of purchase

        How to Request a Return

        1. Contact our customer service team with your order number.
        2. Confirm it’s eligible under our return or warranty policy.
        3. Pack the item securely and return it using a trackable service.
        4. Once we receive and inspect it, we’ll process your refund or replacement.

        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 7-170BWR
        Package Weight 17.350kg
        TYPE VALUE
        Type Building Wire
        Colour Red
        Rated Current (A) 71
        Voltage (V) 0.6/1
        Diameter (mm) 7.1

        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.

        For website terms and conditions https://www.sparkydirect.com.au/terms-of-use

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