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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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. 749-1888
BrandRS PRO
kr 480,18
Each
Units
150mm 80mm 150mm Mild Steel 150 x 80 x 150mm IP66 - - Grey - - - - -
RS Stock No. 758-7046
BrandRS PRO
kr 1 034,57
Each
Units
300mm 150mm 80mm Stainless Steel 300 x 150 x 80mm IP66 - - Unpainted - - - - -
RS Stock No. 122-103
BrandRS PRO
kr 252,21
Each
Units
150mm 150mm 80mm Steel 150 x 150 x 80mm IP66 - - Grey - - - - -
RS Stock No. 842-8497
BrandRS PRO
kr 543,68
Each
Units
200mm 200mm 120mm Steel 200 x 200 x 120mm IP65 - 0 Grey - - - - -
RS Stock No. 144-4453
BrandRS PRO
kr 326,78
Each
Units
160mm 75mm 55mm GRP 160 x 75 x 55mm IP66 - - Black ATEX, IECEx - - - -
RS Stock No. 749-1894
BrandRS PRO
kr 666,43
Each
Units
300mm 120mm 150mm Mild Steel 300 x 120 x 150mm IP66 - - Grey - - - - -
RS Stock No. 749-1857
BrandRS PRO
kr 787,54
Each
Units
150mm 80mm 150mm Stainless Steel 150 x 80 x 150mm IP66 - - Unpainted - - - - -
RS Stock No. 749-1879
BrandRS PRO
kr 2 665,75
Each
Units
400mm 120mm 200mm Stainless Steel 400 x 120 x 200mm IP66 - - Unpainted - - - - -
RS Stock No. 144-1348
BrandRS PRO
kr 675,14
Each
Units
150mm 150mm 80mm Stainless Steel 316 150 x 150 x 80mm IP66 - 0 Blue - - - - -
RS Stock No. 144-4461
BrandRS PRO
kr 1 970,68
Each
Units
400mm 250mm 120mm GRP 400 x 250 x 120mm IP66 - - Black ATEX, IECEx - - - -
RS Stock No. 842-8487
BrandRS PRO
kr 463,46
Each
Units
150mm 150mm 80mm Steel 150 x 150 x 80mm IP65 - 0 Grey - - - - -
RS Stock No. 842-8324
BrandRS PRO
kr 1 599,36
Each
Units
400mm 200mm 120mm Stainless Steel 400 x 200 x 120mm IP66 - 0 Unpainted - - - - -
RS Stock No. 122-147
BrandRS PRO
kr 343,96
Each
Units
400mm 200mm 80mm Steel 400 x 200 x 80mm IP66 - - Grey - - - - -
RS Stock No. 144-4452
BrandRS PRO
kr 434,91
Each
Units
122mm 120mm 90mm GRP 122 x 120 x 90mm IP66 - - Black ATEX, IECEx - - - -
RS Stock No. 749-1891
BrandRS PRO
kr 712,93
Each
Units
300mm 120mm 200mm Mild Steel 300 x 120 x 200mm IP66 - - Grey - - - - -
RS Stock No. 144-4459
BrandRS PRO
kr 963,51
Each
Units
260mm 160mm 90mm GRP 260 x 160 x 90mm IP66 - - Black ATEX, IECEx - - - -
RS Stock No. 758-7052
BrandRS PRO
kr 1 197,82
Each
Units
200mm 200mm 80mm Stainless Steel 200 x 200 x 80mm IP66 - - Unpainted - - - - -
RS Stock No. 842-8490
BrandRS PRO
kr 532,57
Each
Units
150mm 300mm 80mm Steel 150 x 300 x 80mm IP65 - 0 Grey - - - - -
RS Stock No. 749-1850
BrandRS PRO
kr 1 808,25
Each
Units
300mm 120mm 300mm Stainless Steel 300 x 120 x 300mm IP66 - - Unpainted - - - - -
RS Stock No. 144-4456
BrandRS PRO
kr 316,36
Each
Units
190mm 75mm 55mm GRP 190 x 75 x 55mm IP66 - - Black ATEX, IECEx - - - -
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