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 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庫存編號 704-8444
製造零件編號0 303 26
BrandLegrand
HK$84.08
單位
110mm 110mm 50mm PVC 110 x 110 x 50mm IP40 - - White - - - - -
RS庫存編號 398-8313
製造零件編號0 920 02
BrandLegrand
HK$27.42
單位
- - 45mm - - IP55 - 4 Grey - - - 70mm -
RS庫存編號 514-2418
製造零件編號0 920 23
BrandLegrand
HK$71.38
單位
105mm 105mm 55mm Plastic 105 x 105 x 55mm IP55 - 7 Grey - - - - -
RS庫存編號 398-2494
製造零件編號0 920 20
BrandLegrand
HK$68.00
單位
105mm 105mm 55mm ABS 105 x 105 x 55mm IP55 - - Grey - - - - -
RS庫存編號 145-3011
製造零件編號0 893 74
BrandLegrand
HK$1,918.04
毎盒:10 個
Box(es)
170mm 170mm 50mm Galvanised Steel, Nickel-Plated Steel, Polypropylene 170 x 170 x 50mm - - 5 White, Yellow - Bottom, Side - - -
RS庫存編號 398-8329
製造零件編號0 920 05
BrandLegrand
HK$33.89
單位
65mm 65mm 40mm - 65 x 65 x 40mm IP55 - 7 Grey - - - - -
RS庫存編號 514-2389
製造零件編號0 920 13
BrandLegrand
HK$37.90
單位
80mm 80mm 45mm Plastic 80 x 80 x 45mm IP55 - 7 White - - - - -
RS庫存編號 304-6728
製造零件編號0 921 22
BrandLegrand
HK$430.37
單位
220mm 170mm 240mm Plastic 220 x 170 x 240mm IP55 - - Grey - - - - -
RS庫存編號 514-2424
製造零件編號0 920 42
BrandLegrand
HK$151.00
單位
74mm 110mm 155mm Plastic 74 x 110 x 155mm IP55 - 10 Grey - - - - -
RS庫存編號 398-8290
製造零件編號0 920 22
BrandLegrand
HK$65.73
單位
105mm 105mm 55mm - 105 x 105 x 55mm IP55 - 7 Grey - - - - -
RS庫存編號 293-8064
製造零件編號0 303 16
BrandLegrand
HK$71.78
單位
75mm 75mm 35mm PVC 75 x 75 x 35mm - - - White - - - - -
RS庫存編號 398-2488
製造零件編號0 920 12
BrandLegrand
HK$33.89
單位
80mm 80mm 45mm - 80 x 80 x 45mm IP55 - 7 Grey - - - - -
RS庫存編號 398-8284
製造零件編號0 920 01
BrandLegrand
HK$26.03
單位
- - 40mm - - IP55 - 4 Grey - - - 60mm -
RS庫存編號 514-2430
製造零件編號0 920 52
BrandLegrand
HK$200.00
單位
86mm 140mm 180mm Plastic 86 x 140 x 180mm IP55 - 10 Grey - - - - -