INC

MKM Home Page

No Branch Selected

Free Local Delivery*

Or click & collect in branch

£1000 Credit*

Apply for an account

Get Trade Discounts

Register today and start saving

Trusted Local Experts

Over 140+ branches nationwide

Junction Boxes & Connectors

216 products

At MKM Building Supplies we have all your electrical needs covered, no matter the size of your domestic or commercial project. Explore our range of electric cables, wiring accessories, lighting, sockets, fixings and more for internal, external and site use from all your favourite industry-leading brands.

Showing 1 to 20 of 216 items

Showing 1 to 20 of 216 items

Luceco Junction Box, 3 Way, 30a, Brown, Urea, 90mm x 37mm
Luceco Junction Box, 3 Way, 30a, Brown, Urea, 90mm x 37mm product image

Luceco Junction Box, 3 Way, 30a, Brown, Urea, 90mm x 37mm

FREE local delivery

Restrictions apply*

to see available stock and prices

Deligo Mc4 Type Male and Female Solar Connector, 30a
Deligo Mc4 Type Male and Female Solar Connector, 30a product image

Deligo Mc4 Type Male and Female Solar Connector, 30a

FREE local delivery

Restrictions apply*

to see available stock and prices

Unicrimp 4 Way Earth Block
Unicrimp 4 Way Earth Block product image

Unicrimp 4 Way Earth Block

FREE local delivery

Restrictions apply*

to see available stock and prices

M/Tufflex Mer3wh 25mm Circular Extension Ring
M/Tufflex Mer3wh 25mm Circular Extension Ring product image

M/Tufflex Mer3wh 25mm Circular Extension Ring

FREE local delivery

Restrictions apply*

to see available stock and prices

Connexbox Wagobox 207-3301 Single Box
Connexbox Wagobox 207-3301 Single Box product image

Connexbox Wagobox 207-3301 Single Box

FREE local delivery

Restrictions apply*

to see available stock and prices

Unicrimp Qyr5 Yellow Ring Terminal, 5mm Hole (Pack Of 100)
Unicrimp Qyr5 Yellow Ring Terminal, 5mm Hole (Pack Of 100) product image

Unicrimp Qyr5 Yellow Ring Terminal, 5mm Hole (Pack Of 100)

FREE local delivery

Restrictions apply*

to see available stock and prices

Regin 3 Way Plug/socket With Strain Relief
Regin 3 Way Plug/socket With Strain Relief product image

Regin 3 Way Plug/socket With Strain Relief

FREE local delivery

Restrictions apply*

to see available stock and prices

Eph Wiring Centre, 12 Way
Eph Wiring Centre, 12 Way product image

Eph Wiring Centre, 12 Way

FREE local delivery

Restrictions apply*

to see available stock and prices

Connector Strips, 15A, 12 Way (Pack Of 10)
Connector Strips, 15A, 12 Way (Pack Of 10) product image

Connector Strips, 15A, 12 Way (Pack Of 10)

FREE local delivery

Restrictions apply*

to see available stock and prices

Wiska Combi, Ip66 Enclosure, 85mm x 49mm x 41mm, Grey
Wiska Combi, Ip66 Enclosure, 85mm x 49mm x 41mm, Grey product image

Wiska Combi, Ip66 Enclosure, 85mm x 49mm x 41mm, Grey

FREE local delivery

Restrictions apply*

to see available stock and prices

Q-Crimp Ql Lever Wire Connector, 5-Way, 32a, Clear, Box Of 30
Q-Crimp Ql Lever Wire Connector, 5-Way, 32a, Clear, Box Of 30 product image

Q-Crimp Ql Lever Wire Connector, 5-Way, 32a, Clear, Box Of 30

FREE local delivery

Restrictions apply*

to see available stock and prices

Uni Qct10-10 10mm Cu Lug, 10mm Hole
Uni Qct10-10 10mm Cu Lug, 10mm Hole product image

Uni Qct10-10 10mm Cu Lug, 10mm Hole

FREE local delivery

Restrictions apply*

to see available stock and prices

Univolt Bssh25whlsf 25mm White 3m Lsf Conduit
Univolt Bssh25whlsf 25mm White 3m Lsf Conduit product image

Univolt Bssh25whlsf 25mm White 3m Lsf Conduit

FREE local delivery

Restrictions apply*

to see available stock and prices

Masterplug Weatherproof Box Ip54, Green
Masterplug Weatherproof Box Ip54, Green product image

Masterplug Weatherproof Box Ip54, Green

FREE local delivery

Restrictions apply*

to see available stock and prices

Deta 20mm Through Box, Galvanised
Deta 20mm Through Box, Galvanised product image

Deta 20mm Through Box, Galvanised

FREE local delivery

Restrictions apply*

to see available stock and prices

6 Way Connector Strip, 15a
6 Way Connector Strip, 15a product image

6 Way Connector Strip, 15a

FREE local delivery

Restrictions apply*

to see available stock and prices

Univolt 20mm 3 Way Tee, White Pvc Terminal Box
Univolt 20mm 3 Way Tee, White Pvc Terminal Box product image

Univolt 20mm 3 Way Tee, White Pvc Terminal Box

FREE local delivery

Restrictions apply*

to see available stock and prices

Univolt 20mm White Pvc Angle Terminal Box
Univolt 20mm White Pvc Angle Terminal Box product image

Univolt 20mm White Pvc Angle Terminal Box

FREE local delivery

Restrictions apply*

to see available stock and prices

Bg Wp12 Ip66 Switch, 1 Gang, 2 Way, 20a
Bg Wp12 Ip66 Switch, 1 Gang, 2 Way, 20a product image

Bg Wp12 Ip66 Switch, 1 Gang, 2 Way, 20a

FREE local delivery

Restrictions apply*

to see available stock and prices

Smj Electrical Connector Strip, 12-Way, 5a, 115mm x 26mm x 26mm
Smj Electrical Connector Strip, 12-Way, 5a, 115mm x 26mm x 26mm product image

Smj Electrical Connector Strip, 12-Way, 5a, 115mm x 26mm x 26mm

FREE local delivery

Restrictions apply*

to see available stock and prices