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 21 - 40 of 393 products
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Description Price Length Width Height Diameter Dimensions Dia. x H Dimensions L x W x H Material Number of Ways IP Rating Number of Terminals Colour Current Rating Cable Entry Hazardous Area Certification
RS Stock No. 448-7388
Mfr. Part No.6429 1 076-00
BrandKrone
$133.86
Each
units
120mm 43mm 170mm - - 120 x 43 x 170mm Plastic 20 - 20 Grey - - -
RS Stock No. 906-0424
Mfr. Part No.TMC-3PG
$31.53
Each
units
65mm 33mm 24mm - - 65 x 33 x 24mm Plastic 2 IP65 3 Grey 15A M3 -
RS Stock No. 499-5930
Mfr. Part No.KL1514510
BrandRittal
$133.07
Each
units
- 150mm 150mm - - - Steel - IP66 - - - - -
RS Stock No. 454-959
Mfr. Part No.00850
BrandABB
$7.00
Each
units
105 70mm 50mm - - 105 x 70 x 50 Thermoplastic - IP65 - Grey - - -
RS Stock No. 122-103
BrandRS PRO
$60.68
Each
units
150mm 150mm 80mm - - 150 x 150 x 80mm Steel - IP66 - Grey - - -
RS Stock No. 229-0687
Mfr. Part No.15081806.8
BrandRose
$232.19
Each
units
175mm 80mm 57mm - - 175 x 80 x 57mm Aluminium 2 IP66 10 - - - ATEX
RS Stock No. 122-147
BrandRS PRO
$47.46
Each
units
400mm 200mm 80mm - - 400 x 200 x 80mm Steel - IP66 - Grey - - -
RS Stock No. 151-612
Mfr. Part No.ENN05002
$4.336
Each (In a Pack of 5)
units
65mm 45mm 65mm - - 65 x 45 x 65mm ABS 4 IP55 - Grey - - -
RS Stock No. 122-096
BrandRS PRO
$86.67
Each
units
200mm 200mm 120mm - - 200 x 200 x 120mm Steel - IP66 - Grey - - -
RS Stock No. 102-901
Mfr. Part No.322-980-01
BrandSpelsberg
$6.735
Each (In a Pack of 10)
units
85mm 85mm 42mm - - 85 x 85 x 42mm Polypropylene 7 IP55 - Grey - - -
RS Stock No. 455-003
Mfr. Part No.1SL0864A00
BrandABB
$59.92
Each
units
310 240mm 160mm - - 310 x 240 x 160 Thermoplastic - IP55 - Grey - - -
RS Stock No. 455-716
Mfr. Part No.12814
BrandABB
$63.89
Each
units
- 275mm 370mm - - - - - IP65 - - - - -
RS Stock No. 700-0802
Mfr. Part No.COMBI 308/5
BrandWISKA
$14.712
Each (In a Pack of 5)
units
85mm 85mm 51mm - - 85 x 85 x 51mm Polypropylene 8 IP66 - Grey - - -
RS Stock No. 842-8336
BrandRS PRO
$220.18
Each
units
200mm 200mm 120mm - - 200 x 200 x 120mm Stainless Steel - IP66 - Unpainted - - -
RS Stock No. 499-6163
Mfr. Part No.1530510
BrandRittal
$61.59
Each
units
- 300mm 150mm - - - - - IP66 - - - - -
RS Stock No. 499-6494
Mfr. Part No.1507510
BrandRittal
$110.37
Each
units
- 300mm 300mm - - - Steel - IP66 - Grey - - -
RS Stock No. 263-0344
Mfr. Part No.12540901
BrandSpelsberg
$45.40
Each
units
130mm 94mm 57mm - - 130 x 94 x 57mm Polycarbonate 10 IP66 - Grey - - -
RS Stock No. 768-5800
Mfr. Part No.KD4250
BrandHENSEL
$140.98
Each
units
160mm 200mm 98mm - - 160 x 200 x 98mm Thermoplastic - IP66/67 - Black 102A - -
RS Stock No. 455-065
Mfr. Part No.1SL0854A00
BrandABB
$18.31
Each
units
160 135mm 77mm - - 160 x 135 x 77 Thermoplastic - IP55 - Grey - - -
RS Stock No. 749-1857
BrandRS PRO
$352.65
Each
units
150mm 80mm 150mm - - 150 x 80 x 150mm Stainless Steel - IP66 - Unpainted - - -
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