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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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. 455-037
Mfr. Part No.1SL0882A00
BrandABB
HK$186.28
Each
units
220mm 170mm 150mm Thermoplastic 220 x 170 x 150mm IP65 - - Grey - - - - -
RS Stock No. 455-071
Mfr. Part No.1SL0856A00
BrandABB
HK$98.64
Each
units
220mm 170mm 80mm Thermoplastic 200 x 170 x 80mm IP65 - - Grey - - - - -
RS Stock No. 454-955
Mfr. Part No.00846
BrandABB
HK$26.02
Each
units
100mm 100mm 50mm Thermoplastic 100 x 100x 50mm IP65 - - Grey - - - - -
RS Stock No. 455-706
Mfr. Part No.M128120020
BrandABB
HK$208.16
Each
units
- 275mm 220mm - - IP65 - - - - - - - -
RS Stock No. 455-756
Mfr. Part No.12804
BrandABB
HK$206.18
Each
units
140mm 140mm 220mm Polycarbonate 140 x 140 x 220mm IP65 - - White - - - - -
RS Stock No. 455-059
Mfr. Part No.1SL0862A00
BrandABB
HK$133.94
Each
units
220mm 170mm 150mm Thermoplastic 220 x 170 x 150mm IP65 - - Grey - - - - -
RS Stock No. 455-009
Mfr. Part No.1SL0876A00
BrandABB
HK$177.04
Each
units
220mm 170mm 80mm Thermoplastic 220 x 170 x 80mm IP65 - - Grey - - - - -
RS Stock No. 455-700
Mfr. Part No.12816
BrandABB
HK$490.08
Each
units
- 275mm 570mm - - IP65 - - - - - - - -
RS Stock No. 455-712
Mfr. Part No.12808
BrandABB
HK$201.63
Each
units
140mm 205mm 220mm - - IP65 - - - - - - - -
RS Stock No. 455-750
Mfr. Part No.12818
BrandABB
HK$591.72
Each
units
- - - - - IP65 - - - - - - - -
RS Stock No. 455-716
Mfr. Part No.12814
BrandABB
HK$334.17
Each
units
- 275mm 370mm - - IP65 - - - - - - - -
RS Stock No. 454-949
Mfr. Part No.00851
BrandABB
HK$32.29
Each
units
100mm 100mm 80mm Thermoplastic 100 x 100 x 80mm IP65 - - Grey - - - - -
RS Stock No. 454-959
Mfr. Part No.00850
BrandABB
HK$29.74
Each
units
105mm 70mm 50mm Thermoplastic 105 x 70 x 50mm IP65 - - Grey - - - - -
RS Stock No. 454-993
Mfr. Part No.00816
BrandABB
HK$27.62
Each
units
100mm 100mm 50mm Thermoplastic 50 x 100 x 100 mm IP55 - - Grey - - - - -
RS Stock No. 455-065
Mfr. Part No.1SL0854A00
BrandABB
HK$85.74
Each
units
160mm 135mm 77mm Thermoplastic 160 x 135 x 77mm IP65 - - Grey - - - - -
RS Stock No. 454-943
Mfr. Part No.00852
BrandABB
HK$48.87
Each
units
153mm 110mm 66mm Thermoplastic 153 x 110 x 66mm IP65 - - Grey - - - - -
RS Stock No. 454-999
Mfr. Part No.1SL0884A00
BrandABB
HK$297.92
Each
units
310mm 240mm 160mm Thermoplastic 310 x 240 x 160mm IP65 - - Grey - - - - -
RS Stock No. 454-971
Mfr. Part No.00872
BrandABB
HK$78.42
Each
units
153mm 110mm 66mm Thermoplastic 153 x 110 x 66mm IP55 - - Grey - - - - -
RS Stock No. 183-3746
Mfr. Part No.150922
BrandABB
HK$126.74
Each
units
153mm 110mm 66mm Thermoplastic 153 x 110 x 66mm IP55 - - Grey - - - - -
RS Stock No. 183-3756
Mfr. Part No.150964
BrandABB
HK$559.21
Each
units
310mm 240mm 160mm Thermoplastic 310 x 240 x 160mm IP65 - - Grey - - - - -