4 Pin Three Phase Extension Leads

10 Amp 1m Extension Lead, 3 Phase, 4 pin, 415V 10A Heavy Duty Cable 3ph

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Regular price $104.70
$95.18 + GST

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32 Amp 7m Extension Lead, 3 Phase, 4 pin, 415V 32A 4.0mm² 7mt Cable 3Ph

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Regular price $199.00
$180.91 + GST

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20 Amp 1m Extension Lead, 3 Phase, 4 pin, 415V 20A 1mt Cable 3ph

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Regular price $123.50
$112.27 + GST

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32 Amp 1m Extension Lead, 3 Phase, 4 pin, 415V 32A 4.0mm² 1mt Cable 3Ph

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Regular price $163.00
$148.18 + GST

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40 Amp 50m Extension Lead, 3 Phase, 4 pin, 415V 40A Heavy Duty Cable 3ph

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Regular price $954.00
$867.27 + GST

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40 Amp 40m Extension Lead, 3 Phase, 4 pin, 415V 40A Heavy Duty Cable 3ph

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Regular price $746.50
$678.64 + GST

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40 Amp 30m Extension Lead, 3 Phase, 4 pin, 415V 40A Heavy Duty Cable 3ph

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Regular price $597.00
$542.73 + GST

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40 Amp 25m Extension Lead, 3 Phase, 4 pin, 415V 40A Heavy Duty Cable 3ph

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Regular price $518.00
$470.91 + GST

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40 Amp 20m Extension Lead, 3 Phase, 4 pin, 415V 40A Heavy Duty Cable 3ph

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Regular price $450.00
$409.09 + GST

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40 Amp 15m Extension Lead, 3 Phase, 4 pin, 415V 40A Heavy Duty Cable 3ph

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Regular price $363.00
$330.00 + GST

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40 Amp 10m Extension Lead, 3 Phase, 4 pin, 415V 40A Heavy Duty Cable 3ph

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Regular price $309.00
$280.91 + GST

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40 Amp 7m Extension Lead, 3 Phase, 4 pin, 415V 40A Heavy Duty Cable 3ph

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Regular price $285.00
$259.09 + GST

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40 Amp 5m Extension Lead, 3 Phase, 4 pin, 415V 40A Heavy Duty Cable 3ph

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Regular price $235.00
$213.64 + GST

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40 Amp 2m Extension Lead, 3 Phase, 4 pin, 415V 40A Heavy Duty Cable 3ph

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Regular price $172.00
$156.36 + GST

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10 Amp 30m Extension Lead, 3 Phase, 4 pin, 415V 10A Heavy Duty Cable 3ph

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Regular price $286.00
$260.00 + GST

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10 Amp 25m Extension Lead, 3 Phase, 4 pin, 415V 10A Heavy Duty Cable 3ph

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Regular price $242.00
$220.00 + GST

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10 Amp 20m Extension Lead, 3 Phase, 4 pin, 415V 10A Heavy Duty Cable 3ph

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Regular price $221.00
$200.91 + GST

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10 Amp 50m Extension Lead, 3 Phase, 4 pin, 415V 10A Heavy Duty Cable 3ph

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Regular price $391.00
$355.45 + GST

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10 Amp 40m Extension Lead, 3 Phase, 4 pin, 415V 10A Heavy Duty Cable 3ph

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Regular price $342.00
$310.91 + GST

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4 Pin Three Phase Extension Leads FAQs

Resource Electrical’s Diverse Range of 4-Pin Three-Phase Extension Leads

Resource Electrical’s 4-pin three-phase extension leads are purpose-built to deliver dependable high-voltage power across demanding industrial, commercial, and temporary power applications. Whether you’re operating heavy machinery on a worksite, supplying power to industrial equipment, or setting up temporary infrastructure for events or portable workspaces, these leads are engineered for consistent performance and safety.

Designed to withstand harsh Australian conditions, our leads are fitted with rugged, IP-rated plugs and sockets and are available across a broad range of current ratings, including 10A, 20A, 32A, 40A, and 50A. Each extension lead is hand-assembled by a licensed electrician using high-quality, locally sourced components and flexible rubber-sheathed cable. Cable options include standard, heavy-duty, and extra heavy-duty grades to suit everything from light industrial use to extreme site environments.

Resource Electrical offers both round-pin and CEE Form (IEC 60309) configurations, ensuring compatibility with a wide variety of three-phase equipment, generators, and site distribution boards. With lengths available up to 60 metres, these leads provide the reach and flexibility required for large sites and complex layouts without compromising voltage integrity or safety.

Every 4-pin three-phase extension lead is fully tested, tagged, and supplied ready for immediate use, ensuring compliance with relevant Australian electrical safety standards. Built for durability, reliability, and professional use, Resource Electrical’s three-phase extension leads are a trusted solution for keeping critical operations powered in even the most demanding conditions.

A 4-pin three-phase extension lead isprimarily used to supply power to industrial and commercial equipment thatoperates on three active phases with an earth connection, but does not requirea neutral conductor. These leads are commonly utilised for heavy-duty machinerysuch as electric motors, welders, pumps, refrigerated shipping containers(reefers), and temporary power distribution systems. Their configuration makesthem particularly well-suited to balanced three-phase loads found in industrialand site-based applications.

Yes. Extension leads are available in standardlengths ranging from 1 metres through to 60 metres, and custom-built optionscan be manufactured to meet specific site or project requirements. Customerscan select from standard, heavy-duty, or extra heavy-duty rubber cable types,allowing for enhanced durability, flexibility, and abrasion resistance inparticularly harsh or high-traffic environments.

The key distinction lies in the presence of aneutral conductor. A 4-pin lead consists of three active phases and an earth,whereas a 5-pin lead includes an additional neutral wire. Equipment that doesnot rely on a neutral—such as many motors and industrial machines—can operateefficiently on a 4-pin supply. As a result, 4-pin leads are frequentlypreferred in heavy industrial environments where neutral power is unnecessaryand system simplicity is advantageous.

Our standard and heavy-duty 4-pin three-phaseextension leads are fitted with industrial-grade plugs and sockets rated atIP66 or IP67. These ratings provide a high level of protection against dustingress and water exposure, making the leads well-suited to outdoor use, wetenvironments, and demanding industrial conditions where environmentalresilience is essential.

Yes. Resource Electrical stocks andmanufactures 4-pin three-phase CEE Form (IEC 60309) extension leads, commonlyreferred to as “Reefer” leads. These are typically supplied in 32-ampconfigurations and are widely used with refrigerated containers, eventinfrastructure, and equipment designed to international electrical standards.

Yes. All three-phase extension leads arerigorously tested and tagged in accordance with Australian electrical safetyrequirements, including AS/NZS 3760 for in-service inspection and testing. Eachlead is assembled by licensed electricians using high-quality components thatmeet relevant IEC and AS/NZS standards. This ensures compliance, reliability,and safe operation across industrial, commercial, and site-specificapplications.

Three-phase power is not commonly utilised instandard caravan or RV systems. However, in commercial or specialisedevent-based setups where industrial appliances are involved, a 4-pinthree-phase extension lead may be appropriate. For any such application,consultation with a licensed electrician is essential to confirm systemcompatibility and ensure safe, compliant installation.

Yes. With options for extra heavy-duty rubbercabling and high current ratings, these extension leads are designed to performreliably in harsh environments such as mine sites, construction projects,mobile workshops, and industrial facilities. Their robust construction ensuresthey can withstand mechanical stress, environmental exposure, and frequenthandling where dependable portable three-phase power is critical.