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. 749-1857
BrandRS PRO
MYR509.81
Each
units
150mm 80mm 150mm Stainless Steel 150 x 80 x 150mm IP66 - - Unpainted - - - - -
RS Stock No. 122-103
BrandRS PRO
MYR140.94
Each
units
150mm 150mm 80mm Steel 150 x 150 x 80mm IP66 - - Grey - - - - -
RS Stock No. 122-125
BrandRS PRO
MYR164.82
Each
units
200mm 200mm 80mm Steel 200 x 200 x 80mm IP66 - - Grey - - - - -
RS Stock No. 122-153
BrandRS PRO
MYR184.63
Each
units
300mm 150mm 120mm Steel 300 x 150 x 120mm IP66 - - Grey - - - - -
RS Stock No. 842-8314
BrandRS PRO
MYR506.54
Each
units
200mm 200mm 80mm Stainless Steel 200 x 200 x 80mm IP66 - 0 Unpainted - - - - -
RS Stock No. 842-8320
BrandRS PRO
MYR772.02
Each
units
300mm 200mm 120mm Stainless Steel 300 x 200 x 120mm IP66 - 0 Unpainted - - - - -
RS Stock No. 842-8336
BrandRS PRO
MYR596.86
Each
units
200mm 200mm 120mm Stainless Steel 200 x 200 x 120mm IP66 - 0 Unpainted - - - - -
RS Stock No. 122-119
BrandRS PRO
MYR180.58
Each
units
300mm 150mm 80mm Steel 300 x 150 x 80mm IP66 - - Grey - - - - -
RS Stock No. 842-8302
BrandRS PRO
MYR636.68
Each
units
300mm 200mm 80mm Stainless Steel 300 x 200 x 80mm IP66 - 0 Unpainted - - - - -
RS Stock No. 144-4450
BrandRS PRO
MYR115.01
Each
units
80mm 75mm 55mm GRP 80 x 75 x 55mm IP66 - - Black ATEX, IECEx - - - -
RS Stock No. 776-7640
BrandRS PRO
MYR8.758
Each (In a Pack of 5)
units
- - - - - IP2X 4 4 Black - Selective entry 20A 76mm -
RS Stock No. 144-4455
BrandRS PRO
MYR331.22
Each
units
160mm 160mm 90mm GRP 160 x 160 x 90mm IP66 - - Black ATEX, IECEx - - - -
RS Stock No. 144-4454
BrandRS PRO
MYR175.61
Each
units
160mm 75mm 75mm GRP 160 x 75 x 75mm IP66 - - Black ATEX, IECEx - - - -
RS Stock No. 749-1854
BrandRS PRO
MYR781.16
Each
units
200mm 120mm 200mm Stainless Steel 200 x 120 x 200mm IP66 - - Unpainted - - - - -
RS Stock No. 758-7052
BrandRS PRO
MYR783.30
Each
units
200mm 200mm 80mm Stainless Steel 200 x 200 x 80mm IP66 - - Unpainted - - - - -
RS Stock No. 842-8327
BrandRS PRO
MYR508.88
Each
units
175mm 175mm 120mm Stainless Steel 175 x 175 x 120mm IP66 - 0 Unpainted - - - - -
RS Stock No. 122-046
BrandRS PRO
MYR217.99
Each
units
400mm 200mm 120mm Steel 400 x 200 x 120mm IP66 - - Grey - - - - -
RS Stock No. 842-8481
BrandRS PRO
MYR293.23
Each
units
150mm 150mm 120mm Steel 150 x 150 x 120mm IP65 - 0 Grey - - - - -
RS Stock No. 749-1894
BrandRS PRO
MYR431.17
Each
units
300mm 120mm 150mm Mild Steel 300 x 120 x 150mm IP66 - - Grey - - - - -
RS Stock No. 144-4458
BrandRS PRO
MYR706.55
Each
units
255mm 250mm 120mm GRP 255 x 250 x 120mm IP66 - - Black ATEX, IECEx - - - -
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