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Junction Boxes

Tough, reliable, and built for the job—SCHNAP’s range of Junction Boxes covers everything from compact indoor connectors to heavy-duty, weatherproof enclosures. Whether you're running deep conduit setups, need angled fittings for tight installs, or working outdoors in harsh Aussie conditions, we've got a box to suit. With IP54 to IP65-rated options, knockout models, and a mix of ABS, PVC and flame-retardant plastics, our junctions are ready to handle whatever you throw at them. Ideal for tradies, sparkies, and contractors who need dependable gear that’s easy to install and built to last.

Shop online and save with live stock levels, trade discounts, and fast national delivery.

$12.70 $10.50
The Spanner for Tight Spaces is designed for 20mm and 25mm entry junction boxes, making it ideal for electrical contractors and maintenance professionals. With a durable metal construction, this tool facilitates easy access to securely tightened Alco junction boxes, ensuring safe and efficient handling. Perfect for use with Alco JBB-1, JBW-1, and JBW-2 lids, it minimizes the need for multiple tools while enhancing enclosure sealing.
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$263.70 $217.90
The Junction Box IP68 is designed for reliable electrical connections in harsh environments, featuring 4x 20mm side entries and 4x 4mm² active terminals. Built from heavy-duty reinforced polymer, it ensures maximum protection against dust and water ingress, making it ideal for both indoor and outdoor installations. With integral earthing and secure lid engagement, this junction box is perfect for industrial and commercial applications.
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$117.70 $97.30
The Junction Box IP68 is designed for secure and waterproof electrical connections, featuring 4x20mm side entries and 6x 4mm² active terminals. Built from heavy-duty reinforced polymer, it ensures durability and safety with integral earthing and IP68 protection, making it ideal for residential, commercial, and industrial applications in harsh environments.
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$293.00 $242.10
The Junction Box IP68 is designed for secure electrical connections, featuring 4x20mm side entries and 8x active terminals for versatile wiring. Built from heavy-duty reinforced polymer, it ensures waterproof and dustproof protection, making it ideal for both indoor and outdoor applications. Perfect for residential, commercial, and industrial settings, this junction box guarantees safety and compliance with AS/NZS standards.
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$1.50 $1.20
The Blind Plug Nylon M20 Hexagon Head is crafted from durable grey nylon, designed to effectively seal unused cable gland entries in electrical enclosures and junction boxes. Complete with an O-ring seal, this plug ensures a professional appearance and compliance with electrical safety standards, making it ideal for industrial and commercial installations.
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$132.00 $109.10
The Junction Box 4x25mm Side Entry is designed for robust electrical wiring and cable management in both industrial and commercial settings. With an IP68 rating for dust and water protection, it features 8 active terminals on a DIN rail and integral earthing for enhanced safety. Ideal for outdoor and indoor installations, this durable junction box ensures reliable performance in demanding environments.
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$1.70 $1.40
The Blind Plug Nylon M25 Hexagon Head in Light Grey is perfect for sealing unused cable gland entries in electrical enclosures and junction boxes. Made from durable nylon, it features a hexagonal head for easy tightening and comes with an O-ring seal for effective sealing. Ideal for industrial and commercial electrical installations, this plug ensures a neat appearance while maintaining enclosure integrity.
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$12.30 $10.20
The Lid Tightening Tool is designed for efficient tightening and loosening of junction box lids, specifically ALCJBB-1, ALCJBW-1, and ALCJBW-2. Crafted from durable metal with an ergonomic handle, this tool ensures easy handling and prevents damage to lids during removal. Ideal for qualified electricians and maintenance professionals, it supports safe and effective electrical enclosure management.
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$104.70 $86.50
The Junction Box Round Weatherproof IP68 is designed for reliable electrical wiring protection in both residential and commercial settings. Featuring four 20mm side entries and a durable tough engineering plastic construction, this box is perfect for outdoor and marine applications. Its IP68 rating ensures waterproof and dustproof performance, making it an ideal choice for harsh environments.
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$104.90 $86.60
The Junction Box Round Weatherproof IP68 is designed for reliable electrical wiring protection in both indoor and outdoor environments. Featuring four 25mm threaded side entries and a raised dome lid, this durable box is perfect for marine and harsh conditions. With its IP68 rating, it ensures waterproof and dustproof performance, making it ideal for residential, commercial, and industrial applications.
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$180.00 $148.70
The Junction Box Round Economical IP68 is designed for reliable electrical wiring protection, featuring 4 x 20mm side entries and encapsulated earth connections for enhanced safety. Ideal for residential, commercial, and marine applications, this durable box is made from tough engineering plastic and offers waterproof and dustproof protection, ensuring long-lasting performance in harsh environments.
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$216.00 $178.50
The Junction Box Round Economical IP68 is designed for reliable electrical wiring protection in various environments. Featuring 4 x 25mm side entries and encapsulated earth connections, this box is perfect for residential, commercial, and marine applications. Its tough engineering plastic construction ensures durability, while the IP68 rating provides waterproof and dustproof protection, making it ideal for both indoor and outdoor use.
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$170.40 $140.80
The Junction Box Round Economical IP68 is designed for reliable electrical wiring protection, featuring a tough engineering plastic construction and IP68 rating for waterproof and dustproof performance. Ideal for both indoor and outdoor installations, this junction box includes three 20mm bottom entries and an encapsulated internal earth point, ensuring safety and durability in marine and harsh environments.
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$242.10 $200.00
The Junction Box Rectangle Weatherproof IP68 is designed for secure electrical connections, featuring a 10-way entry with 20mm plugged plain entries. Ideal for both indoor and outdoor applications, this durable box supports up to 24 terminals and ensures IP68-rated protection against dust and water, making it perfect for industrial, commercial, and residential projects.
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$276.60 $228.50
The Junction Box Round Economical IP68 is designed for reliable electrical wiring protection in various environments. Featuring three 25mm bottom entries and a tough engineering plastic construction, this waterproof junction box is perfect for outdoor and marine applications. With an encapsulated internal earth point and external mounting lugs, it ensures safety and durability in harsh conditions.
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$33.50 $27.70
Terminals Din Mount Universal with 6 active and 2 earth terminals, designed for 0.5-4mm² wiring. Ideal for electrical enclosures and industrial control panels, this terminal block offers quick installation and flexibility. Pre-mounted on a slotted TS15 DIN rail, it supports both 1 and 3 phase configurations, making it perfect for various applications, including Ex e hazardous areas.
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$167.80 $138.60
The Junction Box Round Size 1 is designed for superior electrical wiring protection, featuring IP68 weatherproofing and heavy-duty reinforced polymer construction. Ideal for both indoor and outdoor applications, this junction box ensures safety with integral earthing and a secure single thread lid engagement. Perfect for residential, commercial, and industrial settings, it provides reliable performance in harsh environments.
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$411.20 $339.70
The Junction Box 3x20mm Bottom Entry is designed for secure electrical connections, featuring IP68 waterproof protection and 6x 4mm² active terminals. Ideal for both indoor and outdoor applications, this robust box ensures safety with integral earthing and a durable reinforced polymer construction, making it perfect for residential, commercial, and industrial use.
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$109.60 $90.60
The Junction Box Round Size 1 is designed for superior electrical wiring protection, featuring IP68 weatherproofing and four M20 cable entries with blanking plugs. Built from impact-resistant polymer, it's perfect for both indoor and outdoor applications, ensuring a watertight and dustproof seal in harsh environments. Ideal for residential, commercial, and industrial settings, this junction box guarantees reliable performance and compliance with IEC 60529 standards.
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$184.50 $152.50
The Junction Box Round Size 2 is designed for reliable electrical wiring protection, featuring an IP68 weatherproof rating and 4x25mm side entry for easy cable connections. Constructed from impact-resistant polymer, it ensures durability in harsh environments, making it ideal for both residential and commercial applications.
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$89.50 $74.00
Heatshrink Thin Wall 2:1 Ratio tubing is perfect for electrical insulation and cable protection, featuring a shrink ratio of 2:1 and a length of 1.2 meters. Made from durable Ethylene Vinyl Acetate, it offers UV resistance and flame retardant properties, making it ideal for heavy-duty applications. This versatile tubing is designed for professional use, ensuring reliable performance in various electrical installations.
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$76.90 $61.70
The DLP PVC 92x20mm 4 Way Floor Trunking Junction Box is designed for efficient cable management, allowing routing in four directions with voltage separation for ducts of the same cross-section. Ideal for both commercial and residential applications, its quick clip-together assembly ensures a secure installation, enhancing the aesthetic appeal of your floor trunking systems.
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The Workhorse of Your Wiring: A Tradie's Guide to Junction Boxes

Every professional electrical and data installation relies on secure, protected connection points. Exposed wiring and unprotected terminals are a recipe for faults, damage, and a non-compliant job. The humble junction box is the workhorse enclosure that keeps these critical connections safe, sound, and sealed from the elements.

Tough, reliable, and built for the job, SCHNAP’s range of Junction Boxes covers everything from compact indoor connectors to heavy-duty, weatherproof enclosures for the harshest Aussie conditions.

A Box for Every Condition: Understanding IP Ratings

Choosing the right level of protection is critical, especially for outdoor or industrial work. Our range includes various IP (Ingress Protection) ratings to suit your needs:

  • IP54-rated boxes are splash-proof, making them suitable for protected outdoor areas like under eaves or in carports.
  • IP65-rated boxes are fully dust-tight and can withstand jets of water, making them the perfect choice for exposed outdoor locations, workshops, and wash-down areas.

The Right Fit for Your Install

No matter the challenge, we've got a box to suit the job.

  • Deep Conduit Boxes: Need extra room for a heap of wires or bulky components? Our deep junction boxes provide the additional space you need to keep your connections tidy.
  • Angled Fittings: For those tricky runs in tight corners or against other services, our angled entry boxes make installation a breeze.
  • Knockout Models: Save time on drilling with our convenient knockout models, allowing for fast and easy conduit entry.

Built Tough with the Right Materials

Our junction boxes are engineered to last. We stock a variety of options to match your application, including durable ABS, standard PVC, and high-safety flame-retardant plastics for added peace of mind in critical installations.

Why Sparkies & Contractors Trust SCHNAP

For a connection point that won't let you down, no matter the conditions, you need a quality box.

  • A complete range of sizes to suit any application.
  • IP-rated options for weatherproof protection.
  • Trusted by Aussie tradies for durability and easy installation.
  • Fast delivery and competitive trade pricing for professionals.

For reliable junction boxes that are built to last and easy to install, trust SCHNAP to have the gear you need to get the job done right.

Need junction boxes at the best prices and good quality? Shop now at Schnap