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 Diameter Dimensions Dia. x H Dimensions L x W x H Material Number of Ways IP Rating Number of Terminals Colour Current Rating Cable Entry Hazardous Area Certification
RS Stock No. 884-2281
Mfr. Part No.KF1600G
BrandHENSEL
$44.44
Each
units
210mm 155mm 92mm - - 210 x 155 x 92mm Polycarbonate 12 IP66/67 - Grey - Knock Out -
RS Stock No. 749-1879
BrandRS PRO
$347.98
Each
units
400mm 120mm 200mm - - 400 x 120 x 200mm Stainless Steel - IP66 - Unpainted - - -
RS Stock No. 905-4396
Mfr. Part No.CEP121290PA
BrandCE-TEK
$181.78
Each
units
122mm 120mm 90mm - - 122 x 120 x 90mm Polyester 4 IP66 10 Black - M20 ATEX
RS Stock No. 665-5505
Mfr. Part No.644.0210-RS01
BrandScame
$206.15
Each
units
110mm 75mm 75mm - - 110 x 75 x 75mm GRP 4 IP66 10 Black - - ATEX
RS Stock No. 616-1404
Mfr. Part No.89590601
BrandSpelsberg
$55.29
1 Lot of 2
Lot(s)
110mm 110mm 67mm - - 110 x 110 x 67mm Polystyrene 9 IP65 - - - - -
RS Stock No. 229-0744
Mfr. Part No.16122209.8
BrandRose
$238.25
Each
units
91mm 120mm 90mm - - 220 x 120 x 90mm Glass Fibre Reinforced PET 2 IP66 20 - - - ATEX
RS Stock No. 842-8330
BrandRS PRO
$224.18
Each
units
150mm 150mm 80mm - - 150 x 150 x 80mm Stainless Steel - IP66 - Unpainted - - -
RS Stock No. 151-763
Mfr. Part No.ENN05005
$7.324
Each (In a Pack of 5)
units
- 105mm 105mm - - - Polypropylene 7 IP55 - Grey - - -
RS Stock No. 842-8314
BrandRS PRO
$186.23
Each
units
200mm 200mm 80mm - - 200 x 200 x 80mm Stainless Steel - IP66 - Unpainted - - -
RS Stock No. 842-8318
BrandRS PRO
$110.65
Each
units
300mm 150mm 120mm - - 300 x 150 x 120mm Stainless Steel - IP66 - Unpainted - - -
RS Stock No. 454-965
Mfr. Part No.1SL0832A00
BrandABB
$29.44
Each
units
150mm 220mm 170mm - - 150 x 220 x 170mm Thermoplastic - IP55 - Grey - - -
RS Stock No. 768-5743
Mfr. Part No.KD5125
BrandHENSEL
$33.95
Each
units
88mm 88mm 53mm - - 88 x 88 x 53mm Thermoplastic 7 IP66/67 5 Black 20A - -
RS Stock No. 253-8939
Mfr. Part No.1521010
BrandRittal
$583.91
Each
units
- - - - - 150 x 150 x 85mm - - IP66 - - - - -
RS Stock No. 455-037
Mfr. Part No.1SL0882A00
BrandABB
$47.55
Each
units
220 170mm 150mm - - 220 x 170 x 150 Thermoplastic - IP55 - Grey - - -
RS Stock No. 516-9968
Mfr. Part No.KL1512510
BrandRittal
$101.37
Each
units
600mm 400mm 120mm - - 600 x 400 x 120mm Steel - IP66 - Grey - - -
RS Stock No. 499-6179
Mfr. Part No.1531510
BrandRittal
$188.77
Each
units
- 300mm 200mm - - - - - IP66 - - - - -
RS Stock No. 749-1860
BrandRS PRO
$445.25
Each
units
150mm 80mm 150mm - - 150 x 80 x 150mm Stainless Steel - IP66 - Unpainted - - -
RS Stock No. 700-0791
Mfr. Part No.COMBI1010/5/S
BrandWISKA
$34.30
Each (In a Pack of 2)
units
140mm 140mm 82mm - - 140 x 140 x 82mm Polypropylene 14 IP66, IP67 - Black - - -
RS Stock No. 776-7640
BrandRS PRO
$2.086
Each (In a Pack of 5)
units
- - - 76mm - - - 4 IP2X 4 Black 20A Selective entry -
RS Stock No. 151-628
Mfr. Part No.ENN05001
$4.172
Each (In a Pack of 5)
units
- - 40mm 60mm 60 x 40mm - ABS 4 IP55 - Grey - - -
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