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庫存編號 455-009
製造零件編號1SL0876A00
BrandABB
HK$193.38
單位
220mm 170mm 80mm Thermoplastic 220 x 170 x 80mm IP65 - - Grey - - - - -
RS庫存編號 730-385
製造零件編號GB 255 - 730385
BrandBartec
HK$2,850.27
單位
255mm 250mm 120mm Glass Fibre Reinforced PET 255 x 250 x 120mm IP66 20 8 Black ATEX - 11.5A - -
RS庫存編號 905-4393
製造零件編號CEP807555PA
BrandCE-TEK
HK$765.68
單位
80mm 75mm 55mm Polyester 80 x 75 x 55mm IP66 5 2 Black ATEX M20 - - -
RS庫存編號 455-700
製造零件編號12816
BrandABB
HK$489.14
單位
- 275mm 570mm - - IP65 - - - - - - - -
RS庫存編號 730-379
製造零件編號GB 160 - 730379
BrandBartec
HK$1,481.47
單位
160mm 160mm 90mm Glass Fibre Reinforced PET 160 x 160 x 90mm IP66 15 6 Black ATEX - 15A - -
RS庫存編號 381-0614
製造零件編號74040201
BrandSpelsberg
HK$580.88
單位
- - - - - IP65 - - - - - - - -
RS庫存編號 390-902
製造零件編號89540601
BrandSpelsberg
HK$53.15
/個 (每包:2個)
單位
110mm 110mm 67mm Polystyrene 110 x 110 x 67mm IP65 5 9 - - - - - -
RS庫存編號 455-712
製造零件編號12808
BrandABB
HK$201.24
單位
140mm 205mm 220mm - - IP65 - - - - - - - -
RS庫存編號 700-0811
製造零件編號COMBI 607/5
BrandWISKA
HK$92.853
/個 (每包:3個)
單位
110mm 110mm 66mm Polypropylene 110 x 110 x 66mm IP66, IP67 - 10 Grey - - - - -
RS庫存編號 700-0789
製造零件編號COMBI 308/5/S
BrandWISKA
HK$64.88
/個 (每包:5個)
單位
85mm 85mm 51mm Polypropylene 85 x 85 x 51mm IP66 - 8 Black - - - - -
RS庫存編號 483-5995
製造零件編號6525102200
BrandKrone
HK$631.76
單位
160mm 90mm 210mm Plastic 160 x 90 x 210mm - 50 50 Grey - - 5A - -
RS庫存編號 448-7388
製造零件編號6429 1 076-00
BrandKrone
HK$526.85
單位
120mm 43mm 170mm Plastic 120 x 43 x 170mm - 20 20 Grey - - - - -
RS庫存編號 616-1426
製造零件編號89591001
BrandSpelsberg
HK$197.23
毎批:2 個
Lot(s)
140mm 140mm 79mm Polystyrene 140 x 140 x 79mm IP65 - 12 - - - - - -
RS庫存編號 455-716
製造零件編號12814
BrandABB
HK$365.02
單位
- 275mm 370mm - - IP65 - - - - - - - -
RS庫存編號 905-4396
製造零件編號CEP121290PA
BrandCE-TEK
HK$797.68
單位
122mm 120mm 90mm Polyester 122 x 120 x 90mm IP66 10 4 Black ATEX M20 - - -
RS庫存編號 229-0744
製造零件編號16122209.8
BrandRose
HK$1,752.38
單位
91mm 120mm 90mm Glass Fibre Reinforced PET 220 x 120 x 90mm IP66 20 2 Black ATEX - - - -
RS庫存編號 455-750
製造零件編號12818
BrandABB
HK$602.39
單位
- - - - - IP65 - - - - - - - -
RS庫存編號 768-5734
製造零件編號KD5025
BrandHENSEL
HK$246.42
單位
88mm 88mm 53mm Thermoplastic 88 x 88 x 53mm IP66/67 5 7 Black - - 20A - -
RS庫存編號 860-4584
製造零件編號JB101006HC
BrandRittal
HK$918.40
單位
250mm 150mm 250mm Carbon Steel 250 x 150 x 250mm IP66 - - Grey - - - - -
RS庫存編號 504-4550
製造零件編號235471
BrandBartec
HK$1,101.84
單位
122mm 120mm 90mm Glass Fibre Reinforced PET 122 x 120 x 90mm IP66 9 - - ATEX - 21A - -