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. 905-4393
Mfr. Part No.CEP807555PA
BrandCE-TEK
$124.82
Each
units
80mm 75mm 55mm - - 80 x 75 x 55mm Polyester 2 IP66 5 Black - M20 ATEX
RS Stock No. 263-0322
Mfr. Part No.12540201
BrandSpelsberg
$29.16
Each
units
94mm 65mm 57mm - - 94 x 65 x 57mm Polycarbonate 6 IP66 - Grey - - -
RS Stock No. 263-0388
Mfr. Part No.12540801
BrandSpelsberg
$125.07
Each
units
254mm 180mm 90mm - - 254 x 180 x 90mm Polycarbonate 32 IP66 - Grey - - -
RS Stock No. 367-0084
Mfr. Part No.49090601
BrandSpelsberg
$44.90
Each
units
110mm 110mm 76mm - - 110 x 100 x 67mm Polycarbonate 9 IP65 - - - - -
RS Stock No. 616-1426
Mfr. Part No.89591001
BrandSpelsberg
$65.44
1 Lot of 2
Lot(s)
140mm 140mm 79mm - - 140 x 140 x 79mm Polystyrene 12 IP65 - - - - -
RS Stock No. 122-052
BrandRS PRO
$50.63
Each
units
300mm 300mm 120mm - - 300 x 300 x 120mm Steel - IP66 - Grey - - -
RS Stock No. 842-8320
BrandRS PRO
$190.95
Each
units
300mm 200mm 120mm - - 300 x 200 x 120mm Stainless Steel - IP66 - Unpainted - - -
RS Stock No. 758-7046
BrandRS PRO
$186.54
Each
units
300mm 150mm 80mm - - 300 x 150 x 80mm Stainless Steel - IP66 - Unpainted - - -
RS Stock No. 758-7052
BrandRS PRO
$202.38
Each
units
200mm 200mm 80mm - - 200 x 200 x 80mm Stainless Steel - IP66 - Unpainted - - -
RS Stock No. 749-1876
BrandRS PRO
$339.71
Each
units
300mm 80mm 200mm - - 300 x 80 x 200mm Stainless Steel - IP66 - Unpainted - - -
RS Stock No. 122-119
BrandRS PRO
$76.65
Each
units
300mm 150mm 80mm - - 300 x 150 x 80mm Steel - IP66 - Grey - - -
RS Stock No. 365-9239
Mfr. Part No.80390701
BrandSpelsberg
$8.303
Each (In a Pack of 3)
units
80mm 80mm 52mm - - 80 x 80 x 52mm Polystyrene 8 IP65 - Grey - - -
RS Stock No. 293-8064
Mfr. Part No.0 303 16
BrandLegrand
$12.63
Each
units
75mm 75mm 35mm - - 75 x 75 x 35mm PVC - - - White - - -
RS Stock No. 151-808
Mfr. Part No.ENN05010
$20.75
Each
units
150mm 80mm 175mm - - 150 x 80 x 175mm Polypropylene 12 IP55 - Grey - - -
RS Stock No. 884-2290
Mfr. Part No.KF2500G
BrandHENSEL
$79.17
Each
units
255mm 205mm 112mm - - 255 x 205 x 112mm Polycarbonate 12 IP66/67 - Grey - Knock Out -
RS Stock No. 768-5771
Mfr. Part No.KD5060
BrandHENSEL
$64.40
Each
units
119mm 139mm 70mm - - 119 x 139 x 70mm Thermoplastic 10 IP66/67 - Black 32 A, 40 A - -
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. 842-8330
BrandRS PRO
$224.18
Each
units
150mm 150mm 80mm - - 150 x 150 x 80mm Stainless Steel - IP66 - Unpainted - - -
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. 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
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