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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Description Price Length Width Height Material Dimensions L x W x H IP Rating Number of Terminals Number of Ways Colour Hazardous Area Certification Cable Entry Current Rating Diameter Series
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. 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. 454-993
Mfr. Part No.00816
BrandABB
$5.96
Each
units
100mm 100mm 50mm Thermoplastic 50 x 100 x 100 mm IP55 - - Grey - - - - -
RS Stock No. 448-7388
Mfr. Part No.6429 1 076-00
BrandKrone
$132.48
Each
units
120mm 43mm 170mm Plastic 120 x 43 x 170mm - 20 20 Grey - - - - -
RS Stock No. 906-0424
Mfr. Part No.TMC-3PG
$32.16
Each
units
65mm 33mm 24mm Plastic 65 x 33 x 24mm IP65 3 2 Grey - M3 15A - -
RS Stock No. 229-0687
Mfr. Part No.15081806.8
BrandRose
$216.69
Each
units
175mm 80mm 57mm Aluminium 175 x 80 x 57mm IP66 10 2 Grey ATEX - - - -
RS Stock No. 454-959
Mfr. Part No.00850
BrandABB
$7.14
Each
units
105mm 70mm 50mm Thermoplastic 105 x 70 x 50mm IP65 - - Grey - - - - -
RS Stock No. 499-5930
Mfr. Part No.KL1514510
BrandRittal
$127.33
Each
units
- 150mm 150mm Steel - IP66 - - - - - - - -
RS Stock No. 151-612
Mfr. Part No.ENN05002
$4.422
Each (In a Pack of 5)
units
65mm 45mm 65mm ABS 88 x 88 x 45mm IP55 - 4 Grey - - - - -
RS Stock No. 102-901
Mfr. Part No.322-980-01
BrandSpelsberg
$6.87
Each (In a Pack of 10)
units
85mm 85mm 42mm Polypropylene 85 x 85 x 42mm IP55 - 7 Grey - - - - -
RS Stock No. 455-003
Mfr. Part No.1SL0864A00
BrandABB
$61.12
Each
units
310mm 240mm 160mm Thermoplastic 310 x 240 x 160mm IP65 - - Grey - - - - -
RS Stock No. 455-716
Mfr. Part No.12814
BrandABB
$65.17
Each
units
- 275mm 370mm - - IP65 - - - - - - - -
RS Stock No. 700-0802
Mfr. Part No.COMBI 308/5
BrandWISKA
$15.006
Each (In a Pack of 5)
units
85mm 85mm 51mm Polypropylene 85 x 85 x 51mm IP66 - 8 Grey - - - - -
RS Stock No. 499-6163
Mfr. Part No.1530510
BrandRittal
$62.82
Each
units
- 300mm 150mm - - IP66 - - - - - - - -
RS Stock No. 499-6494
Mfr. Part No.1507510
BrandRittal
$112.58
Each
units
- 300mm 300mm Steel - IP66 - - Grey - - - - -
RS Stock No. 455-065
Mfr. Part No.1SL0854A00
BrandABB
$18.68
Each
units
160mm 135mm 77mm Thermoplastic 160 x 135 x 77mm IP65 - - Grey - - - - -
RS Stock No. 768-5800
Mfr. Part No.KD4250
BrandHENSEL
$143.80
Each
units
160mm 200mm 98mm Thermoplastic 160 x 200 x 98mm IP66/67 - - Black - - 102A - -
RS Stock No. 263-0344
Mfr. Part No.12540901
BrandSpelsberg
$46.31
Each
units
130mm 94mm 57mm Polycarbonate 130 x 94 x 57mm IP66 - 10 Grey - - - - -
RS Stock No. 499-5996
Mfr. Part No.KL1508510
BrandRittal
$137.89
Each
units
- 400mm 300mm - - IP66 - - - - - - - -
RS Stock No. 266-3091
Mfr. Part No.38101100
BrandBopla
$56.07
Each
units
58mm 64mm 34mm Polyamide 58 x 64 x 34mm IP65 0, - 1 Grey Silver - - - - -
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