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    Junction Boxes

    Junction boxes, also known as electrical outlet boxes or J boxes, act as weatherproof outdoor enclosures that provide secure housing for electrical wiring and devices. These outdoor waterproof boxes protect electrical components from external forces such as weather, neighbouring materials, and vandalism. Junction boxes also serve as a connector to a pattress and are often found installed behind a downlighter. Despite their similar appearance, junction boxes contain wire connections inside, unlike pull boxes which do not.

    How Do Junction Boxes Work?

    Junction boxes provide points of entry for electrical cables and wires. It is important to choose the right size and type of outlet box for your project's needs to ensure safety and compliance with the relevant rules and regulations. These boxes may have a knockout, integrated thread, or self-sealing membrane for cable entry. Internally, there are mounting points for screws in each corner, so it is important to use the correct masonry plugs, anchors, and fixings for the surface you are mounting the box to (such as a wall, skirting board, or ceiling). A sealed box lid or cover provides security for all the internal components.

    Different Junction Box Materials

    Junction boxes are typically made from durable materials that can withstand the environmental conditions they are exposed to.

    Metal Junction Box

    Metal junction boxes, often made from steel or aluminium, offer excellent durability and protection against impacts. They are commonly used in industrial settings and outdoor applications where robust protection is required.

    Plastics Junction Box

    Plastic junction boxes, typically made from PVC or polycarbonate, are lightweight, corrosion-resistant, and offer good electrical insulation. They are suitable for a wide range of applications, including residential and commercial settings.

    Different Types of Junction Boxes

    Junction boxes are typically adaptable and can be used for multiple purposes, with their prices varying based on their size and application:

    Surface-mounted Boxes

    Surface-mounted boxes are installed on the surface of a wall or ceiling, making them easily accessible for cable maintenance and modifications. They are typically used for outdoor lights and other fixtures that require access to electrical wiring.

    Flush-mounted Boxes

    Flush-mounted boxes are designed to fit almost flush with a finished wall or ceiling and are used when you need a neat, clean finish.

    Recessed Boxes

    Recessed boxes are installed between two studs in an inside wall and can be used for many types of equipment, such as light switches or outlets.

    What Junction Box Size Do I Need

    Choosing the correct junction box size is crucial to ensure adequate space for wiring and connections. The size is determined by the number and size of wires entering the box, as well as the type and number of devices installed within the box. A 4-inch junction box or a 6-inch junction box are common sizes for many applications.

    IP Ratings for Junction Boxes

    Junction boxes are available in various IP ratings, such as IP20, IP2X, IP40, IP44, IP54, IP55, IP65, IP66, IP67, and IP68. The IP rating of the junction box determines what type of protection it provides in terms of environmental conditions and dust penetration. The higher the number, the more secure the junction box is against external elements such as rain and dirt.

    Junction Box Applications

    Junction boxes are used in various settings, including:

    • Residential Buildings: Protecting electrical connections in homes for lighting, power outlets, and appliances.
    • Commercial Buildings: Providing safe and organised wiring solutions in offices, shops, and other commercial spaces.
    • Industrial Facilities: Housing electrical connections for machinery, control panels, and other industrial equipment.
    • Outdoor Installations: Protecting electrical connections for outdoor lighting, security systems, and other outdoor applications.

    How to Choose the Right Junction Box

    Selecting the appropriate junction box involves considering factors such as the intended application, environmental conditions, material, size, and IP rating. RS Hong Kong offers a wide range of junction boxes to meet diverse needs, ensuring you find the perfect solution for your electrical installation.

    How to Order a Junction Box from RS Hong Kong?

    RS Hong Kong is a trusted supplier of junction boxes, offering a comprehensive selection from reputable brands like HENSEL, ABB, and Hammond. We have a wide range of junction boxes available in various sizes and water-resistant materials, as well as price points. All our products are manufactured to the highest standards and are compliant with all relevant safety regulations. Our online platform provides a seamless ordering experience, allowing you to easily browse our product range, compare specifications, and place your order with just a few clicks.

    Besides junction boxes, we offer other essential components like terminal blocks and standard enclosures for your electrical needs.

    How Delivery Works at RS Hong Kong

    RS Hong Kong offers reliable and efficient delivery services to ensure your orders reach you promptly. We provide various delivery options, including standard delivery and express delivery, allowing you to choose the service that best suits your requirements. Our online platform provides real-time tracking information, enabling you to monitor your order's progress from dispatch to delivery. Learn more by visiting our delivery information page.

    763 產品顯示為 Junction Boxes

    HK$119.80
    HENSEL
    104 x 104 x 70mm
    104mm
    Polycarbonate
    104mm
    70mm
    -
    -
    Black
    -
    7
    Knock Out
    -
    -
    -
    -
    HK$1,120.90
    CE-TEK
    122 x 120 x 90mm
    122mm
    Polyester
    120mm
    90mm
    IP66
    10
    Black
    ATEX
    4
    M20
    -
    -
    -
    -
    HK$190.70
    WISKA
    160 x 140 x 81mm
    160mm
    Polypropylene
    140mm
    81mm
    IP66, IP67
    -
    Black
    -
    10
    -
    57A
    -
    -
    -
    HK$435.50
    HENSEL
    255 x 205 x 112mm
    255mm
    Polycarbonate
    205mm
    112mm
    -
    -
    Grey
    -
    12
    Knock Out
    -
    -
    -
    -
    • RS庫存編號 860-4590
    • 製造零件編號 JB100806HC
    HK$752.90
    Rittal
    200 x 150 x 250mm
    200mm
    Carbon Steel
    150mm
    250mm
    IP66
    -
    Grey
    -
    -
    -
    -
    -
    -
    -
    HK$218.48
    HENSEL
    130 x 130 x 77mm
    130mm
    Polycarbonate
    130mm
    77mm
    -
    -
    Black
    -
    8
    Knock Out
    -
    -
    -
    -
    • RS庫存編號 117-471
    • 製造零件編號 EB 06 G
    HK$233.60
    HENSEL
    130 x 130 x 77mm
    77mm
    Polycarbonate
    130mm
    130mm
    IP66
    -
    Grey
    -
    -
    -
    -
    -
    -
    -
    HK$1,618.51
    HENSEL
    150 x 275 x 275mm
    150mm
    Polycarbonate
    275mm
    275mm
    IP66
    -
    Grey
    -
    -
    -
    -
    -
    -
    -
    • RS庫存編號 224-4508
    • 製造零件編號 10110635
    HK$84.60
    WISKA
    Ø 82 x 57mm
    -
    Polypropylene
    -
    57mm
    IP66, IP67
    -
    -
    -
    -
    -
    -
    82 mm
    -
    -
    HK$27.00
    HellermannTyton
    89x52x89mm
    89mm
    Plastic
    52mm
    89mm
    IP54
    -
    RAL 7035 Light Grey
    -
    -
    -
    -
    -
    -
    -
    HK$3,845.40
    Hammond
    305 x 305 x 152mm
    305mm
    Stainless Steel
    305mm
    152mm
    IP66
    -
    -
    -
    -
    -
    -
    -
    -
    -
    • RS庫存編號 117-787
    • 製造零件編號 DP 9020
    HK$59.29
    HENSEL
    49 x 88 x 88mm
    49mm
    Polystyrene
    88mm
    88mm
    IP54
    -
    Grey
    -
    -
    -
    -
    -
    -
    -
    • RS庫存編號 184-0848
    • 製造零件編號 CEP261690PI
    HK$1,860.10
    CE-TEK
    160 x 90 x 260mm
    160mm
    Polyester
    90mm
    260mm
    IP66
    -
    Black
    IECEx
    -
    -
    -
    -
    -
    -
    HK$60.30
    Spelsberg
    82 x 82 x 52mm
    82mm
    Polystyrene
    82mm
    52mm
    IP54, IP65
    5
    Grey
    -
    -
    -
    -
    -
    -
    -
    • RS庫存編號 454-987
    • 製造零件編號 00820 M008200000
    HK$30.30
    ABB
    50 x 105 x 70mm
    50mm
    Thermoplastic
    105mm
    70mm
    IP55
    -
    Grey
    -
    -
    -
    -
    -
    -
    -
    HK$83.28
    HENSEL
    62 x 93 x 93mm
    62mm
    Polypropylene
    93mm
    93mm
    IP66
    5
    Grey
    -
    -
    -
    -
    -
    -
    -
    • RS庫存編號 183-2835
    • 製造零件編號 DK0600G
    HK$141.90
    HENSEL
    130 x 130 x 70mm
    130mm
    Polypropylene
    77mm
    130mm
    IP66
    -
    Grey
    -
    1
    -
    -
    -
    -
    -
    • RS庫存編號 454-983
    • 製造零件編號 00810 M008100000
    HK$17.60
    ABB
    80 x 80 x 40mm
    80mm
    Thermoplastic
    80mm
    40mm
    IP44
    -
    Grey
    -
    -
    -
    -
    -
    -
    -
    • RS庫存編號 184-0854
    • 製造零件編號 CEP252512PA
    HK$2,591.90
    CE-TEK
    250 x 120 x 255mm
    250mm
    Polyester
    120mm
    255mm
    IP66
    -
    Black
    ATEX
    -
    -
    -
    -
    -
    -
    HK$2,484.40
    Phoenix Contact
    111 x 254 x 180mm
    111mm
    Polycarbonate
    254mm
    180mm
    IP65
    -
    -
    -
    -
    -
    -
    -
    -
    -
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