Junction Boxes

Also known as an Electrical Outlet Box or Outlet Box, Junction boxes act as an enclosure that provides secure housing for electrical wiring and devices to protect them from external forces such as weather, neighbouring materials and vandalism. They act as a connector to a pattress and in a lot of cases can be found installed behind a downlighter.

How do junction boxes work?

A junction box provides points on entry for lighting & electrical cables. It is important to note that they come in various shapes and sizes, so choosing the right one is vital to stay safe and legally compliant. They also have different points of entry, consisting of knockout, integrated thread or self-sealing membranes.

Internally, there are mounting points for screws in each corner, so you should use the correct masonry plugs, anchors and fixings for the surface you are mounting to such as a wall, skirting board or ceiling.

Once the junction box has been mounted and all the cables have been prepared, wiring connections can be made using the correct connectors such as 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?

A weatherproof junction box can be made from various plastics and metals. Both are suitable for most household projects but metal boxes require grounding and must be connected to the ground system of the circuit.

Types of Junction boxes

They are typically an adaptable box, which means some are cross-functional. Although, you should never use a standard box for a specialty job. For example, a round box is only used for lightweight fixtures and shouldn't be used for a ceiling fan.

What IP ratings are available?

IP ratings such as; IP20, IP2X, IP40, IP44, IP54, IP55, IP65, IP66, IP67 and IP68 are available

For more information on IP ratings click here


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Beskrivning Pris Dimensions L x W x H Length Material Width Height IP Rating Number of Terminals Colour Hazardous Area Certification Number of Ways Cable Entry Current Rating Diameter
RS-artikelnummer 122-046
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400 x 200 x 120mm 400mm Steel 200mm 120mm IP66 - RAL 7032 - - - - -
RS-artikelnummer 842-8330
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150 x 150 x 80mm 150mm Stainless Steel 150mm 80mm IP66 - Unpainted - 0 - - -
RS-artikelnummer 469-1795
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- 115mm Nylon - 26.5mm IP68 3 Black - 3 2 32A -
RS-artikelnummer 122-096
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432,85 kr
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200 x 200 x 120mm 200mm Steel 200mm 120mm IP66 - RAL 7032 - - - - -
RS-artikelnummer 122-147
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461,64 kr
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400 x 200 x 80mm 400mm Steel 200mm 80mm IP66 - RAL 7032 - - - - -
RS-artikelnummer 842-8333
VarumärkeRS PRO
2 013,68 kr
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300 x 300 x 120mm 300mm Stainless Steel 300mm 120mm IP66 - Unpainted - 0 - - -
RS-artikelnummer 122-068
VarumärkeRS PRO
616,06 kr
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400 x 300 x 120mm 400mm Steel 300mm 120mm IP66 - RAL 7032 - - - - -
RS-artikelnummer 749-1866
VarumärkeRS PRO
2 804,63 kr
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200 x 200 x 80mm 200mm Stainless Steel 80mm 200mm IP66 - Unpainted - - - - -
RS-artikelnummer 842-8500
VarumärkeRS PRO
943,34 kr
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300 x 300 x 120mm 300mm Steel 300mm 120mm IP65 - RAL 7032 - 0 - - -
RS-artikelnummer 122-119
VarumärkeRS PRO
400,11 kr
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300 x 150 x 80mm 300mm Steel 150mm 80mm IP66 - RAL 7032 - - - - -
RS-artikelnummer 842-8308
VarumärkeRS PRO
332,29 kr
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150 x 150 x 120mm 150mm Steel 150mm 120mm IP66 - RAL 7032 - 0 - - -
RS-artikelnummer 749-1872
VarumärkeRS PRO
3 989,30 kr
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300 x 120 x 300mm 300mm Stainless Steel 120mm 300mm IP66 - Unpainted - - - - -
RS-artikelnummer 122-153
VarumärkeRS PRO
443,52 kr
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300 x 150 x 120mm 300mm Steel 150mm 120mm IP66 - RAL 7032 - - - - -
RS-artikelnummer 842-8487
VarumärkeRS PRO
644,53 kr
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150 x 150 x 80mm 150mm Steel 150mm 80mm IP65 - RAL 7032 - 0 - - -
RS-artikelnummer 749-1850
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2 660,45 kr
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300 x 120 x 300mm 300mm Stainless Steel 120mm 300mm IP66 - Unpainted - - - - -
RS-artikelnummer 749-1854
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1 733,43 kr
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200 x 120 x 200mm 200mm Stainless Steel 120mm 200mm IP66 - Unpainted - - - - -
RS-artikelnummer 749-1857
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1 131,34 kr
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150 x 80 x 150mm 150mm Stainless Steel 80mm 150mm IP66 - Unpainted - - - - -
RS-artikelnummer 469-1818
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187,79 kr
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- 130mm Nylon - 32mm IP68 5 Black - 5 2 32A -
RS-artikelnummer 749-1888
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689,75 kr
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150 x 80 x 150mm 150mm Mild Steel 80mm 150mm IP66 - Grey - - - - -
RS-artikelnummer 144-4458
VarumärkeRS PRO
1 791,02 kr
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255 x 250 x 120mm 255mm - 250mm 120mm IP66 - Black ATEX, IECEx - - - -