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. 454-955
Mfr. Part No.00846
BrandABB
PHP345.70
Each
units
100mm 100mm 50mm Thermoplastic 100 x 100x 50mm IP65 - - Grey - - - - -
RS Stock No. 151-628
Mfr. Part No.ENN05001
PHP125.256
Each (In a Pack of 5)
units
- - 40mm ABS - IP55 - 4 Grey - - - 60mm -
RS Stock No. 700-0802
Mfr. Part No.COMBI 308/5
BrandWISKA
PHP566.266
Each (In a Pack of 5)
units
85mm 85mm 51mm Polypropylene 85 x 85 x 51mm IP66 - 8 Grey - - - - -
RS Stock No. 263-0344
Mfr. Part No.12540921
BrandSpelsberg
PHP1,204.31
Each
units
130mm 94mm 57mm Polycarbonate 130 x 94 x 57mm IP66 - 10 Grey - - - - -
RS Stock No. 699-7118
Mfr. Part No.WPJB
BrandRagni
PHP639.76
Each
units
62mm 110mm 110mm - 62 x 110 x 110mm IP66 5 5 - - M20 Knock out - - -
RS Stock No. 151-612
Mfr. Part No.ENN05002
PHP314.52
Each (In a Pack of 5)
units
65mm 45mm 65mm ABS 88 x 88 x 45mm IP55 - 4 Grey - - - - -
RS Stock No. 483-5995
Mfr. Part No.6525102200
BrandKrone
PHP5,269.32
Each
units
160mm 90mm 210mm Plastic 160 x 90 x 210mm - 50 50 Grey - - 5A - -
RS Stock No. 884-2271
Mfr. Part No.KF0200G
BrandHENSEL
PHP455.79
Each
units
93mm 93mm 62mm Polycarbonate 93 x 93 x 62mm IP66/67 - 7 Grey - Knock Out - - -
RS Stock No. 151-808
Mfr. Part No.ENN05010
PHP689.57
Each
units
150mm 80mm 175mm Polypropylene 150 x 80 x 175mm IP55 - 12 Grey - - - - -
RS Stock No. 151-741
Mfr. Part No.ENN05007
PHP512.925
Each (In a Pack of 2)
units
105mm 80mm 150mm Polypropylene 105 x 80 x 150mm IP55 - 10 Grey - - - - -
RS Stock No. 151-713
Mfr. Part No.ENN05004
PHP552.09
Each (In a Pack of 5)
units
80mm 45mm 80mm ABS 80 x 45 x 80mm IP55 - 7 Grey - - - - -
RS Stock No. 454-943
Mfr. Part No.00852
BrandABB
PHP537.21
Each
units
153mm 110mm 66mm Thermoplastic 153 x 110 x 66mm IP65 - - Grey - - - - -
RS Stock No. 151-763
Mfr. Part No.ENN05005
PHP327.286
Each (In a Pack of 5)
units
- 105mm 105mm Polypropylene - IP55 - 7 Grey - - - - -
RS Stock No. 499-5974
Mfr. Part No.KL1503510
BrandRittal
PHP2,395.11
Each
units
- 300mm 200mm Steel - IP66 - - Grey - - - - -
RS Stock No. 365-9239
Mfr. Part No.80390701
BrandSpelsberg
PHP337.227
Each (In a Pack of 3)
units
80mm 80mm 52mm Polystyrene 80 x 80 x 52mm IP65 - 8 Grey - - - - -
RS Stock No. 455-071
Mfr. Part No.1SL0856A00
BrandABB
PHP1,994.58
Each
units
220mm 170mm 80mm Thermoplastic 200 x 170 x 80mm IP65 - - Grey - - - - -
RS Stock No. 616-1353
Mfr. Part No.89540301
BrandSpelsberg
PHP1,328.75
1 Lot of 3
Lot(s)
80mm 80mm 52mm Polystyrene 80 x 80 x 52mm IP65 5 8 - - - - - -
RS Stock No. 365-9223
Mfr. Part No.80290701
BrandSpelsberg
PHP313.413
Each (In a Pack of 3)
units
80mm 80mm 52mm Polystyrene 80 x 80 x 52mm IP65 - 8 Grey - - - - -
RS Stock No. 884-2287
Mfr. Part No.KF1000G
BrandHENSEL
PHP1,525.94
Each
units
180mm 130mm 77mm Polycarbonate 180 x 130 x 77mm IP66/67 - 12 Grey - Knock Out - - -
RS Stock No. 842-8327
BrandRS PRO
PHP6,358.32
Each
units
175mm 175mm 120mm Stainless Steel 175 x 175 x 120mm IP66 - - Unpainted - - - - -