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 its 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. 365-9239
Mfr. Part No.80390701
BrandSpelsberg
MYR24.49
Each (In a Pack of 3)
units
80mm 80mm 52mm Polystyrene 80 x 80 x 52mm IP65 - 8 Grey - - - - -
RS Stock No. 616-1381
Mfr. Part No.89540401
BrandSpelsberg
MYR110.88
1 Lot of 3
Lot(s)
93mm 93mm 55mm Polystyrene 93 x 93 x 55mm IP65 5 8 - - - - - -
RS Stock No. 570-499
Mfr. Part No.49240601
BrandSpelsberg
MYR394.08
Each
units
110mm 110mm 67mm Polycarbonate 110 x 110 x 67mm IP68 11 9 Grey - - - - -
RS Stock No. 263-0338
Mfr. Part No.12540301
BrandSpelsberg
MYR66.33
Each
units
94mm 94mm 57mm Polycarbonate 94 x 94 x 57mm IP66 - 7 Grey - - - - -
RS Stock No. 263-0350
Mfr. Part No.12540401
BrandSpelsberg
MYR92.65
Each
units
110mm 110mm 66mm Polycarbonate 110 x 110 x 66mm IP66 - 7 Grey - - - - -
RS Stock No. 494-2885
Mfr. Part No.33441201
BrandSpelsberg
MYR48.63
1 Box of 5
Box(es)
85mm 85mm 37mm Polypropylene 85 x 85 x 37mm IP20 - 12 Grey - - - - -
RS Stock No. 494-2879
Mfr. Part No.33491201
BrandSpelsberg
MYR37.95
1 Box of 5
Box(es)
85mm 85mm 37mm Polypropylene 85 x 85 x 37mm IP20 - 12 Grey - - - - -
RS Stock No. 102-923
Mfr. Part No.320-970-01
BrandSpelsberg
MYR13.948
Each (In a Pack of 10)
units
75mm 75mm 42mm Polypropylene 75 x 75 x 42mm IP55 - 7 - - - - - HP
RS Stock No. 102-939
Mfr. Part No.325-990-01
BrandSpelsberg
MYR17.384
Each (In a Pack of 10)
units
90mm 90mm 45mm Polypropylene 90 x 90 x 45mm IP55 - 9 Grey - - - - -
RS Stock No. 263-0259
Mfr. Part No.40290701
BrandSpelsberg
MYR26.974
Each (In a Pack of 5)
units
80mm 80mm 38mm - 80 x 80 x 38mm IP54 - 7 - - - - - -
RS Stock No. 102-945
Mfr. Part No.402-907-01
BrandSpelsberg
MYR21.932
Each (In a Pack of 5)
units
80mm 80mm 38mm - 80 x 80 x 38mm IP54 - 7 Grey - - - - -
RS Stock No. 381-0614
Mfr. Part No.74040201
BrandSpelsberg
MYR320.63
Each
units
- - - - - IP65 - - - - - - - -
RS Stock No. 365-9273
Mfr. Part No.81091001
BrandSpelsberg
MYR83.58
Each (In a Pack of 2)
units
140mm 140mm 79mm Polystyrene 140 x 140 x 79mm IP65 - 12 Grey - - - - -
RS Stock No. 508-6419
Mfr. Part No.870-910/21
BrandSpelsberg
MYR536.49
Each
units
450mm 300mm 132mm Plastic 450 x 300 x 132mm IP54 / 65 - 4 - - - - - -
RS Stock No. 616-1353
Mfr. Part No.89540301
BrandSpelsberg
MYR96.39
1 Lot of 3
Lot(s)
80mm 80mm 52mm Polystyrene 80 x 80 x 52mm IP65 5 8 - - - - - -
RS Stock No. 616-1404
Mfr. Part No.89590601
BrandSpelsberg
MYR105.46
1 Lot of 2
Lot(s)
110mm 110mm 67mm Polystyrene 110 x 110 x 67mm IP65 - 9 - - - - - -
RS Stock No. 365-9223
Mfr. Part No.80290701
BrandSpelsberg
MYR24.237
Each (In a Pack of 3)
units
80mm 80mm 52mm Polystyrene 80 x 80 x 52mm IP65 - 8 Grey - - - - -
RS Stock No. 616-1331
Mfr. Part No.89540201
BrandSpelsberg
MYR96.39
1 Lot of 3
Lot(s)
80mm 80mm 52mm Polystyrene 80 x 80 x 52mm IP65 5 8 - - - - - -
RS Stock No. 365-9267
Mfr. Part No.80690701
BrandSpelsberg
MYR54.93
Each (In a Pack of 2)
units
110mm 110mm 67mm Polystyrene 110 x 110 x 67mm IP65 - 9 Grey - - - - -
RS Stock No. 102-901
Mfr. Part No.322-980-01
BrandSpelsberg
MYR14.515
Each (In a Pack of 10)
units
85mm 85mm 42mm Polypropylene 85 x 85 x 42mm IP55 - 7 Grey - - - - -