30A 3-Terminal Heavy Duty Junction Box Black (7552D)

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30A 3-Terminal Heavy Duty Junction Box Black (7552D)

Junction box with a urea-constructed outer casing.

  • ASTA Approved for Reliability & Safety
  • IP20

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30A 3-Terminal Heavy Duty Junction Box Black is rated 4.5 out of 5 by 111.
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Rated 5 out of 5 by from Good solid bit of kit Good solid bit of kit well made and user friendly Does what it says on the box
Date published: 2020-07-06
Rated 1 out of 5 by from Dissapointed I am usually so pleased with all my purchases from Screwfix. This one let me down, when I got it home I found it to be broken and a screw missing. With the current situation of collections, because of Covid-19 I felt unable to return it, however, I had purchased a different one at the same time which I used to my satisfaction.
Date published: 2020-06-30
Rated 5 out of 5 by from Juntion Box Does the job well with sufficient room for the cables. Good quality
Date published: 2020-06-26
Rated 5 out of 5 by from Mr Great product and will use it again and again as I already have done.
Date published: 2020-06-13
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Can this be used for 6mm cable. Also 2ndly is this suitable to use joining 2 cables from consumer unit to a garage consumer unit

Asked by: Simonmmm911922

Will this junction box be ok be ok to fit inline to add a spur for an extra socket

Asked by: EckyT
Hello, Unfortunately Screwfix doe not offer an electrics technical advice service so we are not able to advise on electrical installations. For the safest advice we recommend contacting a competent trade person. Thanks for using Q&A. [DG].
Answered by: DGIFF
Date published: 2020-02-21

Will this fit inside a 20mm conduit junction box

Asked by: Pzedro
Hi Pzedro, Unfortunately it will not fit. It has an outside diameter of 91mm and our 20mm conduit junction boxes are smaller. For example Tower Terminal 1-Way Terminal Box 20mm Black (69178) has an internal diameter of approximately 60mm. Thanks for using Screwfix Q&A. JT
Answered by: JTremain
Date published: 2019-12-30

Are these ok to use outdoors

Asked by: Ekey
Hello Ekey, This product is suitable for indoor use. Thank you for using Q&A (CW)
Answered by: Cwalm
Date published: 2019-02-05

Why is the junction box rated at 30A but people are suggesting it can be used with 32A ring circuits? Doesn’t 30A make it under rated for anything but a radial circuit with 20A current carrying capacity

Asked by: Jimmynorris2
No, you could use a 20a junction box in 32a ring. 2.5mm twin isn't rated to 32a either. I suggest you leave it alone though.
Answered by: Danr10
Date published: 2019-08-07
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Specification
Amp Rating 30 A
CE Standard (Tested to EN...) EN 60670.
Colour Black
IP Rating IP20
Manufacturer Guarantee 1 Year Guarantee
Model No K838
Pack Size 1
Parent Colour Black
Pieces in Pack/Case 1
Product Depth 29 mm
Product Diameter 91 mm
Product Type Heavy Duty Junction Box
Total Product Weight 0.081 kg

Internal diameter: 85mm. EN 60670.