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 its 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 361 - 371 of 371 products
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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. 167-875
Mfr. Part No.KL1527510
BrandRittal
$281.53
Each
units
- - - - - IP66 - - - - - - - -
RS Stock No. 516-9946
Mfr. Part No.KL1515510
BrandRittal
$108.30
Each
units
300mm 150mm 80mm Steel 300 x 150 x 80mm IP66 - - Grey - - - - -
RS Stock No. 187-6389
Mfr. Part No.81190701
BrandSpelsberg
$10.71
Each
units
94mm 94mm 56mm Polystyrene 94 x 94 x 56mm - - - Grey - - - - -
RS Stock No. 183-3742
Mfr. Part No.150903
BrandABB
$7.80
Each
units
80mm 80mm 40mm Thermoplastic 80 x 80 x 40mm IP44 - - Grey - - - - -
RS Stock No. 184-0462
Mfr. Part No.CEP107575PAU
BrandCE-TEK
$114.59
Each
units
110mm 75mm 75mm - 110 x 75 x 75mm IP66 - - Black ATEX 4 x M20 - - -
RS Stock No. 263-0293
Mfr. Part No.41691201
BrandSpelsberg
$37.24
Each
units
165mm 165mm 76mm - 165 x 165 x 76mm IP54 - 12 - - - - - -
RS Stock No. 514-2424
Mfr. Part No.0 920 42
BrandLegrand
$36.89
Each
units
74mm 110mm 155mm Plastic 74 x 110 x 155mm IP55 - 10 Grey - - - - -
RS Stock No. 183-3739
Mfr. Part No.150900
BrandABB
$2.57
Each
units
- - 35mm Thermoplastic - IP44 - - Grey - - - 60mm -
RS Stock No. 768-5768
Mfr. Part No.KD5120
BrandHENSEL
$39.60
Each
units
88mm 88mm 53mm Thermoplastic 88 x 88 x 53mm IP66/67 - 7 Black - - - - -
RS Stock No. 183-2817
Mfr. Part No.KF0400C
BrandHENSEL
$20.37
Each
units
104mm 70mm 104mm Polycarbonate 104 x 70 x 104mm IP66, IP67 - - Black - M25 - - -
RS Stock No. 183-3741
Mfr. Part No.150902
BrandABB
$3.51
Each
units
65mm 65mm 32mm Thermoplastic 65 x 65 x 32mm IP44 - - Grey - - - - -
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