Junction Boxes

What are junction boxes used for?


Junction boxes primary purpose is to connect and protect wiring that carry electrical current ensuring safe connections and security from the elements and unqualified engineers. Junction boxes are available in a variety of sizes, material types and colours. They are found in Industrial and commercial applications.


How do junction boxes work?


A junction box upon inspection offers points of entry for lighting and electrical cable, so it’s very important to have the correct junction box for the application. These points of entry consist of a knockout, integrated thread or self-sealing membranes.

Internally there are mounting points for screws in each corner, use the correct masonry plugs, anchors and fixings for the surface you are mounting to. Once the junction box has been mounted and all cables prepared, wire connections can be made using the correct cable terminals and splices. A sealed box lid or box cover then provides security for all the internal components.


What materials are they made from?


Junction boxes are made from various materials such as; ABS, Aluminium, Carbon Steel, Duro-plastic, Galvanised Steel, Glass Fibre Reinforced PET, GRP, Mild Steel, Nickel-Plated Steel, Plastic, Polyamide, Polybutylene Terephthalate, Polycarbonate, Polyester, Polypropylene, Polystyrene, PVC, Stainless Steel, Steel and Thermoplastic.


Where would you find junction boxes?


  • Lighting installation
  • Housing and wiring connections

Types of Junction boxes


Typical types of junction boxes include;


  • One-gang
  • Two-gang
  • Metal pancake
  • Four-square

What IP ratings are available?


IP ratings such as; IP20, IP2X, IP40, IP44, IP54, IP55, IP65, IP66, IP67 and IP68 are available


(IP) Ingress Protection and what it means


IP rating classifies the degrees of protection provided against the intrusion of solid objects (including body parts like hands and fingers), dust, accidental contact, and water in electrical enclosures.


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Viewing 1 - 20 of 391 products
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Description Price Length Width Height Material Diameter Dimensions L x W x H Dimensions Dia. x H IP Rating Number of Terminals Number of Ways Colour Hazardous Area Certification Cable Entry Current Rating
RS Stock No. 455-706
Mfr. Part No.M128120020
BrandABB
$53.62
Each
units
- 275mm 220mm - - - - IP65 - - - - - -
RS Stock No. 455-043
Mfr. Part No.1SL0874A00
BrandABB
$21.60
Each
units
160 135mm 77mm Thermoplastic - 160 x 135 x 77 - IP55 - - Grey - - -
RS Stock No. 229-0766
Mfr. Part No.15122208.8
BrandRose
$198.40
Each
units
220mm 120mm 80mm Aluminium - 220 x 120 x 80mm - IP66 20 2 Grey ATEX - -
RS Stock No. 454-955
Mfr. Part No.00846
BrandABB
$6.84
Each
units
100 100mm 50mm Thermoplastic - 100 x 100 x 50 - IP65 - - Grey - - -
RS Stock No. 455-071
Mfr. Part No.1SL0856A00
BrandABB
$22.74
Each
units
220 170mm 80mm Thermoplastic - 220 x 170 x 80 - IP65 - - Grey - - -
RS Stock No. 454-943
Mfr. Part No.00852
BrandABB
$9.59
Each
units
153 110mm 66mm Thermoplastic - 153 x 110 x 66 - IP65 - - Grey - - -
RS Stock No. 541-289
Mfr. Part No.554/J4
BrandNEUTRAL
$7.76
Each
units
- - - Plastic - - - - 4 - White - - 40A
RS Stock No. 771-9540
Mfr. Part No.1210/5/G
BrandWISKA
$50.37
Each
units
160mm 140mm 81mm Polypropylene - 160 x 140 x 81mm - IP66, IP67 - 10 Grey - - 57A
RS Stock No. 454-949
Mfr. Part No.00851
BrandABB
$8.09
Each
units
100 100mm 80mm Thermoplastic - 100 x 100 x 80 - IP55 - - Grey - - -
RS Stock No. 455-009
Mfr. Part No.1SL0876A00
BrandABB
$40.23
Each
units
220 170mm 80mm Thermoplastic - 220 x 170 x 80 - IP55 - - Grey - - -
RS Stock No. 122-030
BrandRS PRO
$58.00
Each
units
300mm 200mm 120mm Steel - 300 x 200 x 120mm - IP66 - - Grey - - -
RS Stock No. 749-1848
BrandRS PRO
$338.43
Each
units
400mm 120mm 200mm Stainless Steel - 400 x 120 x 200mm - IP66 - - Unpainted - - -
RS Stock No. 455-075
Mfr. Part No.1SL0858A00
BrandABB
$41.54
Each
units
310 240mm 110mm Thermoplastic - 310 x 240 x 110 - IP65 - - Grey - - -
RS Stock No. 455-712
Mfr. Part No.12808
BrandABB
$44.90
Each
units
140mm 205mm 220mm - - - - IP65 - - - - - -
RS Stock No. 483-5995
Mfr. Part No.6525102200
BrandKrone
$114.63
Each
units
160mm 90mm 210mm Plastic - 160 x 90 x 210mm - - 50 50 Grey - - 5A
RS Stock No. 455-756
Mfr. Part No.12804
BrandABB
$43.80
Each
units
140mm 140mm 220mm Polycarbonate - 140 x 140 x 220mm - IP65 - - White - - -
RS Stock No. 700-0789
Mfr. Part No.COMBI 308/5/S
BrandWISKA
$17.634
Each (In a Pack of 5)
units
85mm 85mm 51mm Polypropylene - 85 x 85 x 51mm - IP66 - 8 Black - - -
RS Stock No. 570-495
Mfr. Part No.49241001
BrandSpelsberg
$154.24
Each
units
140mm 140mm 79mm Polycarbonate - 140 x 140 x 79mm - IP68 12 9 Grey - - -
RS Stock No. 700-0798
Mfr. Part No.61779
BrandWISKA
$21.033
Each (In a Pack of 3)
units
110mm 110mm 66mm Polypropylene - 110 x 110 x 66mm - IP66, IP67 - 10 Black - - -
RS Stock No. 454-993
Mfr. Part No.00816
BrandABB
$5.96
Each
units
100mm 100mm 50mm Thermoplastic - 50 x 100 x 100 mm - IP55 - - Grey - - -
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