3 Compartment Dado Trunking

3 compartment dado trunking is a PVC cable management system fixed at dado (desk) height, with separate compartments that keep power, data and communications cables segregated while giving easy access to outlets. We stock the PEMCO Emerald Line dado trunking system in a 50 x 170mm profile.

Matching fittings include internal and external angles, flat bends, flat tees, couplers, end caps and 1 and 2 gang outlet boxes. Trade buyers get trade pricing, with next working day delivery across NI and ROI on in-stock orders received before 5pm on a weekday.

15001 In-Stock

PEMCO 1 Gang Outlet Box for Dado/Skirting

£3.70 inc. VAT

15002 In-Stock

PEMCO 2 Gang Outlet Box for Dado/Skirting

£4.32 inc. VAT

15100 In-Stock

PEMCO Emerald Line Dado Trunking

£60.00 inc. VAT

15101 In-Stock

PEMCO Emerald Line Dado Internal Angle 50 x 170mm

£8.70 inc. VAT

15102 In-Stock

PEMCO Dado External Angle 50 x 170mm

£8.70 inc. VAT

15103 In-Stock

PEMCO Dado Coupler 50 x 170mm

£2.30 inc. VAT

15104 In-Stock

PEMCO Dado End Cap 50 x 170mm

£2.30 inc. VAT

15107 In-Stock

PEMCO Dado Flat Bend 50 x 170mm

£26.40 inc. VAT

15108 In-Stock

PEMCO Dado Flat Tee 50 x 170mm

£35.20 inc. VAT

Planning a 3 compartment dado trunking system

Dado trunking is a popular choice for offices, schools, hospitals and refurbishments because it provides power and data outlets wherever desks are positioned, without chasing walls. A little planning before you order makes the installation faster and neater.

Building your system

A complete PEMCO Emerald Line run usually includes:

Trunking lengths – the 50 x 170mm base and lid.
Internal and external angles – for wall corners.
Flat bends and flat tees – for changes of direction and branches on the same plane.
Couplers – to join lengths neatly.
End caps – to finish each run.
1 and 2 gang outlet boxes – to mount sockets and data outlets.

Measure each wall, add the number of corners and outlet positions, and allow a little extra for cutting waste.

Segregation and capacity

Allocate compartments clearly, typically power in one, data in another and communications or low-voltage cables in the third. Keep compartment dividers fitted throughout, including at bends and outlets, so segregation is maintained as required by current wiring regulations. Do not overfill compartments; leave room for future cables and for heat dissipation.

Fitting tips

Fix the base securely to the wall at the manufacturer's recommended spacing, keep it level and mark outlet positions before cutting the lid. Use a fine-toothed saw from our saws and files range for clean cuts, and suitable wall fixings for the substrate. Fit sockets and data modules, such as Euro modules, to suit the outlet boxes. For wider runs or mini spurs, see our plastic trunking range.

Meteor Electrical has supplied commercial contractors for over 40 years. Orders over £30 / €35 ex VAT ship free, and credit accounts are available subject to approval.

FAQ's Ask Your Own Question

What’s the difference between conduit and trunking?: 3 compartment trunking systems are used in a variety of situations such as industrial and commercial applications. A good example is how lighting wall trucking is used for fluorescent fittings to light a large room.

Conduit systems are used to provide needed outlet points. Electric conduits are made of metal or plastic that protect and route the wiring of a structure or building. Electrical dado trunking in comparison often consists of a rigid piece of PVC, copper or aluminium and is used where various electrical cables come together – it helps to carry a compound current.
How do I choose a dado trunking size?: To figure out which electrical dado trunking size you need, multiply the quantities of each cable at your disposal by the appropriate factor, and compare the total with the data trunking figures shown.
How many compartmented trunking is needed in a multi story building?: Multi story buildings require 3 compartment trunking/compartmented trunking of a suitable capacity that has the necessary number of compartments.

In electrical dado trunking systems, the telecommunications companies often insist that their cables are segregated from all other wiring systems. This is why 3 compartment trunking becomes the most suitable option.
What are the advantages of compartment trunking wiring systems?: Electrical dado trunking has numerous advantages. It has a cheap and easy installation method and ensures that there is no risk of the enclosed cables being damaged. The enclosed cables inside of the compartmented trunking are also safe from dust particles and humidity.

Alternations can be easily made and the compartment trunking wiring system is known to have a long life.
What is dado trunking in electrical?: Dado trunking is also known as premiter trunking and is a compartment trunking system most commonly used in an office environment. Dado trunking is constructed from strong PVC and is installed at skirting rail or dado height. It protects electrical cabling while also simultaneously carrying it and hiding it from view.
What is a trunking flange?: Armorduct flange plates are used for attaching/positioning steel trunking directly on a wall.
What are the disadvantages of electrical dado trunking?: The disadvantages of compartment trunking include some product ranges being too expensive compared to other systems. In addition, constant care and good workmanship is needed to make sure that a successful installation takes place.
Which compartment should be used for power in dado trunking?: There is no single rule, but power is commonly run in one dedicated compartment and data and communications in the others, with the arrangement kept consistent along the run. Follow the project specification and the trunking manufacturer's guidance, and keep dividers in place to maintain segregation.
What fits in a dado trunking outlet box?: Dado outlet boxes accept standard switches and sockets, data outlets or modular plates, depending on the box size and depth. The PEMCO outlet boxes come in 1 gang and 2 gang versions. Check the accessory depth against the box and confirm compatibility with the trunking manufacturer's data.
How do I fit dado trunking around a wall corner?: Use the matching internal angle for inside corners and the external angle for outside corners, rather than mitring the trunking. Cut the base and lid squarely to length so the angle fitting covers the joint, and keep dividers continuous through the corner to maintain segregation between compartments.