Junction Boxes

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
RS Stock No. 2550356804
Mfr. Part No.ENN05084
£5.70
1 Bag of 5
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RS Stock No. 2508787171
Mfr. Part No.CHKO1084
BrandHammond
£19.45
Each
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RS Stock No. 2508791445
Mfr. Part No.EJ161410
BrandHammond
£155.30
Each
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RS Stock No. 2508787137
Mfr. Part No.CHKO644
BrandHammond
£11.39
Each
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RS Stock No. 2508787121
Mfr. Part No.CHKO663
BrandHammond
£10.31
Each
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RS Stock No. 2508773368
Mfr. Part No.TSRI-JB1
£4.28
Each
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RS Stock No. 2508791401
Mfr. Part No.EJ14128
BrandHammond
£127.16
Each
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RS Stock No. 2508784891
Mfr. Part No.1414PHK
BrandHammond
£84.71
Each
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RS Stock No. 2508791530
Mfr. Part No.EJ8104
BrandHammond
£84.83
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RS Stock No. 2508784778
Mfr. Part No.1414PHI6
BrandHammond
£73.51
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RS Stock No. 2508791338
Mfr. Part No.EJ1086
BrandHammond
£78.88
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RS Stock No. 2508791394
Mfr. Part No.EJ14126
BrandHammond
£111.20
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RS Stock No. 2508791546
Mfr. Part No.EJ863
BrandHammond
£69.46
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