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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Viewing 61 - 80 of 391 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. 367-0084
Mfr. Part No.49090601
BrandSpelsberg
$45.80
Each
units
110mm 110mm 76mm Polycarbonate 110 x 100 x 67mm IP65 - 9 - - - - - -
RS Stock No. 454-999
Mfr. Part No.1SL0884A00
BrandABB
$67.34
Each
units
310mm 240mm 160mm Thermoplastic 310 x 240 x 160mm IP65 - - Grey - - - - -
RS Stock No. 758-7052
BrandRS PRO
$202.38
Each
units
200mm 200mm 80mm Stainless Steel 200 x 200 x 80mm IP66 - - Unpainted - - - - -
RS Stock No. 905-4393
Mfr. Part No.CEP807555PA
BrandCE-TEK
$124.82
Each
units
80mm 75mm 55mm Polyester 80 x 75 x 55mm IP66 5 2 Black ATEX M20 - - -
RS Stock No. 266-3108
Mfr. Part No.38101200
BrandBopla
$51.68
Each
units
58mm 64mm 34mm Polyamide 58 x 64 x 34mm IP65 - 2 Grey Silver - - - - -
RS Stock No. 758-7046
BrandRS PRO
$186.54
Each
units
300mm 150mm 80mm Stainless Steel 300 x 150 x 80mm IP66 - - Unpainted - - - - -
RS Stock No. 616-1426
Mfr. Part No.89591001
BrandSpelsberg
$65.44
1 Lot of 2
Lot(s)
140mm 140mm 79mm Polystyrene 140 x 140 x 79mm IP65 - 12 - - - - - -
RS Stock No. 122-052
BrandRS PRO
$50.63
Each
units
300mm 300mm 120mm Steel 300 x 300 x 120mm IP66 - - Grey - - - - -
RS Stock No. 263-0388
Mfr. Part No.12540801
BrandSpelsberg
$125.07
Each
units
254mm 180mm 90mm Polycarbonate 254 x 180 x 90mm IP66 - 32 Grey - - - - -
RS Stock No. 700-0811
Mfr. Part No.COMBI 607/5
BrandWISKA
$24.37
Each (In a Pack of 3)
units
110mm 110mm 66mm Polypropylene 110 x 110 x 66mm IP66, IP67 - 10 Grey - - - - -
RS Stock No. 365-9239
Mfr. Part No.80390701
BrandSpelsberg
$8.303
Each (In a Pack of 3)
units
80mm 80mm 52mm Polystyrene 80 x 80 x 52mm IP65 - 8 Grey - - - - -
RS Stock No. 122-119
BrandRS PRO
$76.65
Each
units
300mm 150mm 80mm Steel 300 x 150 x 80mm IP66 - - Grey - - - - -
RS Stock No. 768-5771
Mfr. Part No.KD5060
BrandHENSEL
$65.69
Each
units
119mm 139mm 70mm Thermoplastic 119 x 139 x 70mm IP66/67 - 10 Black - - 32 A, 40 A - -
RS Stock No. 293-8064
Mfr. Part No.0 303 16
BrandLegrand
$12.88
Each
units
75mm 75mm 35mm PVC 75 x 75 x 35mm - - - White - - - - -
RS Stock No. 151-808
Mfr. Part No.ENN05010
$20.75
Each
units
150mm 80mm 175mm Polypropylene 150 x 80 x 175mm IP55 - 12 Grey - - - - -
RS Stock No. 884-2290
Mfr. Part No.KF2500G
BrandHENSEL
$80.75
Each
units
255mm 205mm 112mm Polycarbonate 255 x 205 x 112mm IP66/67 - 12 Grey - Knock Out - - -
RS Stock No. 768-5790
Mfr. Part No.KD4100
BrandHENSEL
$79.64
Each
units
125mm 167mm 82mm Thermoplastic 125 x 167 x 82mm IP66/67 - - Black - - 63A - -
RS Stock No. 749-1879
BrandRS PRO
$347.98
Each
units
400mm 120mm 200mm Stainless Steel 400 x 120 x 200mm IP66 - - Unpainted - - - - -
RS Stock No. 266-3136
Mfr. Part No.38102400
BrandBopla
$65.26
Each
units
98mm 64mm 34mm Polyamide 98 x 94 x 34mm IP65 - 4 Grey Silver - - - - -
RS Stock No. 455-059
Mfr. Part No.1SL0862A00
BrandABB
$33.30
Each
units
220mm 170mm 150mm Thermoplastic 220 x 170 x 150mm IP65 - - Grey - - - - -
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