Junction Boxes – Mouser United Kingdom

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JB & JBH NEMA 1 Sheet Metal Boxes

JB and JBH NEMA 1 Sheet Metal Boxes from Bud Industries are heavy duty electrical enclosures suitable for junction and pull box applications. The boxes are available with either a lift-off screw cover or a hinged cover. The Bud JB and JBH NEMA 1 Sheet Metal Boxes feature 16 GA welded steel construction and ANSI 65 gray powder coating. Included are knockouts on all four sides (on boxes with greater than 3" depth), four wall mounting holes in back, and embossed grounding hole in bottom.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (GBP) Filter the results in the table by unit price based on your quantity.	Qty.	Type	Material	Color	Length	Width	Height	IP Rating	NEMA Rating	Series
Junction Boxes Junction Box with Knockouts (10 X 10 X 6 In) JB-3961-KO Bud Industries 1: £34.34 1In Stock	Mfr. Part No. JB-3961-KO Mouser Part No 563-JB-3961-KO	Bud Industries	Junction Boxes Junction Box with Knockouts (10 X 10 X 6 In)	Datasheet	1In Stock	£34.34 £27.67 £26.52 Quote Quote	Min.: 1 Mult.: 1		Steel	Gray	10 in	10 in	6 in		1
Junction Boxes Junction Box (8 X 8 X 4 In) JB-3957 Bud Industries 1: £22.17 4In Stock	Mfr. Part No. JB-3957 Mouser Part No 563-JB-3957	Bud Industries	Junction Boxes Junction Box (8 X 8 X 4 In)	Datasheet	4In Stock	£22.17 £17.40 £16.57 £15.91 £15.64	Min.: 1 Mult.: 1	Knockout	Steel	Gray	8 in	8 in	4 in	IP20	1	Junction Box
Junction Boxes Junction Box with Knockouts (6 X 4 X 3.5 In) JB-3944-KO Bud Industries 1: £14.01 5In Stock	Mfr. Part No. JB-3944-KO Mouser Part No 563-JB-3944-KO	Bud Industries	Junction Boxes Junction Box with Knockouts (6 X 4 X 3.5 In)	Datasheet	5In Stock	£14.01 £12.24 £10.60 £9.92 View £9.54 £9.51 £9.36	Min.: 1 Mult.: 1	Knockout	Steel	Gray	6 in	4 in	3.5 in	IP20	1	Junction Box
Junction Boxes Junction Box (4 X 4 X 3 In) JB-3950 Bud Industries 1: £6.93 3In Stock	Mfr. Part No. JB-3950 Mouser Part No 563-JB-3950	Bud Industries	Junction Boxes Junction Box (4 X 4 X 3 In)	Datasheet	3In Stock	£6.93	Min.: 1 Mult.: 1	Knockout	Steel	Gray	4 in	4 in	3 in	IP20	1	Junction Box
Junction Boxes Junction Box with Knockouts (6 X 4 X 3 In) JB-3952-KO Bud Industries 1: £10.17 3In Stock	Mfr. Part No. JB-3952-KO Mouser Part No 563-JB-3952-KO	Bud Industries	Junction Boxes Junction Box with Knockouts (6 X 4 X 3 In)	Datasheet	3In Stock	£10.17 £10.07 £9.11 £8.93 View £8.81 £8.69	Min.: 1 Mult.: 1	Knockout	Steel	Gray	6 in	4 in	3 in	IP20	1	Junction Box
Junction Boxes Junction Box with Knockouts (6 X 6 X 3 In) JB-3954-KO Bud Industries 1: £10.89 1In Stock 3Expected 12/10/2026	Mfr. Part No. JB-3954-KO Mouser Part No 563-JB-3954-KO	Bud Industries	Junction Boxes Junction Box with Knockouts (6 X 6 X 3 In)	Datasheet	1In Stock 3Expected 12/10/2026	£10.89	Min.: 1 Mult.: 1	Knockout	Steel	Gray	6 in	6 in	3 in	IP20	1	Junction Box
Junction Boxes Junction Box (6 X 6 X 4 In) JB-3955 Bud Industries 1: £10.74 6In Stock	Mfr. Part No. JB-3955 Mouser Part No 563-JB-3955	Bud Industries	Junction Boxes Junction Box (6 X 6 X 4 In)	Datasheet	6In Stock	£10.74	Min.: 1 Mult.: 1	Knockout	Steel	Gray	6 in	6 in	4 in	IP20	1	Junction Box
Junction Boxes Junction Box (8 X 6 X 4 In) JB-3956 Bud Industries 1: £12.79 1In Stock 5Expected 12/10/2026	Mfr. Part No. JB-3956 Mouser Part No 563-JB-3956	Bud Industries	Junction Boxes Junction Box (8 X 6 X 4 In)	Datasheet	1In Stock 5Expected 12/10/2026	£12.79	Min.: 1 Mult.: 1	Knockout	Steel	Gray	8 in	6 in	4 in	IP20	1	Junction Box
Junction Boxes Junction Box with Knockouts (8 X 6 X 4 In) JB-3956-KO Bud Industries 1: £16.74 1In Stock	Mfr. Part No. JB-3956-KO Mouser Part No 563-JB-3956-KO	Bud Industries	Junction Boxes Junction Box with Knockouts (8 X 6 X 4 In)	Datasheet	1In Stock	£16.74 £12.79	Min.: 1 Mult.: 1	Knockout	Steel	Gray	8 in	6 in	4 in	IP20	1	Junction Box
Junction Boxes Hinged Junction Box with Knockouts (6 X 6 X 4 In) JBH-4955-KO Bud Industries 1: £13.85 5In Stock	Mfr. Part No. JBH-4955-KO Mouser Part No 563-JBH-4955-KO	Bud Industries	Junction Boxes Hinged Junction Box with Knockouts (6 X 6 X 4 In)	Datasheet	5In Stock	£13.85	Min.: 1 Mult.: 1	Knockout	Steel	Gray	6 in	6 in	4 in	IP20	1	Hinged Junction Box
Junction Boxes Hinged Junction Box with Knockouts (8 X 8 X 4 In) JBH-4957-KO Bud Industries 1: £18.59 15In Stock	Mfr. Part No. JBH-4957-KO Mouser Part No 563-JBH-4957-KO	Bud Industries	Junction Boxes Hinged Junction Box with Knockouts (8 X 8 X 4 In)	Datasheet	15In Stock	£18.59	Min.: 1 Mult.: 1	Knockout	Steel	Gray	8 in	8 in	4 in	IP20	1	Hinged Junction Box
Junction Boxes Hinged Junction Box with Knockouts (10 X 8 X 6 In) JBH-4959-KO Bud Industries 1: £25.19 4In Stock	Mfr. Part No. JBH-4959-KO Mouser Part No 563-JBH-4959-KO	Bud Industries	Junction Boxes Hinged Junction Box with Knockouts (10 X 8 X 6 In)	Datasheet	4In Stock	£25.19	Min.: 1 Mult.: 1	Knockout	Steel	Gray	10 in	8 in	6 in	IP20	1	Hinged Junction Box
Junction Boxes Hinged Junction Box with Knockouts (10 X 10 X 6 In) JBH-4961-KO Bud Industries 1: £28.79 3In Stock	Mfr. Part No. JBH-4961-KO Mouser Part No 563-JBH-4961-KO	Bud Industries	Junction Boxes Hinged Junction Box with Knockouts (10 X 10 X 6 In)	Datasheet	3In Stock	£28.79	Min.: 1 Mult.: 1	Knockout	Steel	Gray	10 in	10 in	6 in	IP20	1	Hinged Junction Box
Junction Boxes Junction Box (6 X 4 X 3.5 In) JB-3944 Bud Industries 1: £9.27 57Factory Stock Available	Mfr. Part No. JB-3944 Mouser Part No 563-JB-3944	Bud Industries	Junction Boxes Junction Box (6 X 4 X 3.5 In)	Datasheet	57Factory Stock Available More Info Available	£9.27	Min.: 1 Mult.: 1	Knockout	Steel	Gray	6 in	4 in	3.5 in	IP20	1	Junction Box
Junction Boxes Junction Box with Knockouts (4 X 4 X 3 In) JB-3950-KO Bud Industries 1: £6.93 51In Stock	Mfr. Part No. JB-3950-KO Mouser Part No 563-JB-3950-KO	Bud Industries	Junction Boxes Junction Box with Knockouts (4 X 4 X 3 In)	Datasheet	51In Stock	£6.93	Min.: 1 Mult.: 1	Knockout	Steel	Gray	4 in	4 in	3 in	IP20	1	Junction Box
Junction Boxes Junction Box (4 X 4 X 4 In) JB-3951 Bud Industries 1: £7.71 2In Stock	Mfr. Part No. JB-3951 Mouser Part No 563-JB-3951	Bud Industries	Junction Boxes Junction Box (4 X 4 X 4 In)	Datasheet	2In Stock	£7.71	Min.: 1 Mult.: 1	Knockout	Steel	Gray	4 in	4 in	4 in	IP20	1	Junction Box
Junction Boxes Hinged Junction Box with Knockouts (4 X 4 X 4 In) JB-3951-KO Bud Industries 1: £7.71 1In Stock	Mfr. Part No. JB-3951-KO Mouser Part No 563-JB-3951-KO	Bud Industries	Junction Boxes Hinged Junction Box with Knockouts (4 X 4 X 4 In)	Datasheet	1In Stock	£7.71	Min.: 1 Mult.: 1	Knockout	Steel	Gray	4 in	4 in	4 in	IP20	1	Junction Box
Junction Boxes Junction Box (6 X 6 X 3 In) JB-3954 Bud Industries 1: £10.89 2In Stock	Mfr. Part No. JB-3954 Mouser Part No 563-JB-3954	Bud Industries	Junction Boxes Junction Box (6 X 6 X 3 In)	Datasheet	2In Stock	£10.89	Min.: 1 Mult.: 1	Knockout	Steel	Gray	6 in	6 in	3 in	IP20	1	Junction Box
Junction Boxes Junction Box with Knockouts (8 X 8 X 4 In) JB-3957-KO Bud Industries 1: £15.51 1In Stock	Mfr. Part No. JB-3957-KO Mouser Part No 563-JB-3957-KO	Bud Industries	Junction Boxes Junction Box with Knockouts (8 X 8 X 4 In)	Datasheet	1In Stock	£15.51	Min.: 1 Mult.: 1	Knockout	Steel	Gray	8 in	8 in	4 in	IP20	1	Junction Box
Junction Boxes Junction Box with Knockouts (10 X 8 X 4 In) JB-3958-KO Bud Industries 1: £18.05 2In Stock	Mfr. Part No. JB-3958-KO Mouser Part No 563-JB-3958-KO	Bud Industries	Junction Boxes Junction Box with Knockouts (10 X 8 X 4 In)	Datasheet	2In Stock	£18.05	Min.: 1 Mult.: 1	Knockout	Steel	Gray	10 in	8 in	4 in	IP20	1	Junction Box
Junction Boxes Junction Box (10 X 10 X 4 In) JB-3960 Bud Industries 1: £34.04 1In Stock	Mfr. Part No. JB-3960 Mouser Part No 563-JB-3960	Bud Industries	Junction Boxes Junction Box (10 X 10 X 4 In)	Datasheet	1In Stock	£34.04 £25.10 £23.80 £22.51 View £22.11 £21.80 Quote	Min.: 1 Mult.: 1		Steel	Gray	10 in	10 in	4 in		1
Junction Boxes Hinged Junction Box with Knockouts (8 X 6 X 4 In) JBH-4956-KO Bud Industries 1: £15.81 2In Stock	Mfr. Part No. JBH-4956-KO Mouser Part No 563-JBH-4956-KO	Bud Industries	Junction Boxes Hinged Junction Box with Knockouts (8 X 6 X 4 In)	Datasheet	2In Stock	£15.81	Min.: 1 Mult.: 1	Knockout	Steel	Gray	8 in	6 in	4 in	IP20	1	Hinged Junction Box
Junction Boxes Hinged Junction Box with Knockouts (10 X 8 X 4 In) JBH-4958-KO Bud Industries 1: £21.28 2In Stock	Mfr. Part No. JBH-4958-KO Mouser Part No 563-JBH-4958-KO	Bud Industries	Junction Boxes Hinged Junction Box with Knockouts (10 X 8 X 4 In)	Datasheet	2In Stock	£21.28	Min.: 1 Mult.: 1	Knockout	Steel	Gray	10 in	8 in	4 in	IP20	1	Hinged Junction Box
Junction Boxes Hinged Junction Box with Knockouts (6 X 6 X 3 In) JBH-4954-KO Bud Industries 1: £12.30 3Expected 12/10/2026	Mfr. Part No. JBH-4954-KO Mouser Part No 563-JBH-4954-KO	Bud Industries	Junction Boxes Hinged Junction Box with Knockouts (6 X 6 X 3 In)	Datasheet	3Expected 12/10/2026	£12.30	Min.: 1 Mult.: 1	Knockout	Steel	Gray	6 in	6 in	3 in	IP20	1	Hinged Junction Box
Junction Boxes Hinged Junction Box with Knockouts (10 X 10 X 4 In) JBH-4960-KO Bud Industries 1: £24.89 4Expected 12/10/2026	Mfr. Part No. JBH-4960-KO Mouser Part No 563-JBH-4960-KO	Bud Industries	Junction Boxes Hinged Junction Box with Knockouts (10 X 10 X 4 In)	Datasheet	4Expected 12/10/2026	£24.89	Min.: 1 Mult.: 1	Knockout	Steel	Gray	10 in	10 in	4 in	IP20	1	Hinged Junction Box

JB & JBH NEMA 1 Sheet Metal Boxes

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