Office: 01473 677293 [email protected] Mon–Fri 7:00–17:00 · Sat 9:00–14:00

Specialism · SWA submains

SWA power cables — pulled, connected, tested

This is what we do best. We pull big armoured power cables, fit the glands, connect them and test them — in hospitals, schools and plant rooms.

Up to large-section multicoreLV switchroomsExternal ducts

Send drawings for pricing See projects

Lipame electrician laying SWA cables into rooftop tray

SWA into rooftop tray · Sheffield

What we do

From drum to busbar

We take SWA submains from delivery to energisation — handling, pulling, glanding, terminating and testing — so your switchroom is ready on programme.

Cable drum handling & pullingDrum jacks, rollers, winches and pulling crews for long, heavy runs through ducts, tray and ladder.

Glanding & terminationsCW/BW glands, earth tags and shrouds; lugs crimped and torqued onto busbars, MCCBs and switchgear.

LV switchrooms & distributionSubmains to main switchboards, sub-distribution boards, plant and landlord supplies.

External & underground routesCables through ducts and draw pits between buildings, substations and plant.

Testing & certificationInsulation resistance, continuity and polarity tests, recorded and certified under NICEIC.

Labelling & recordsCable ID, as-fitted mark-ups and results packaged for O&M.

Gallery

Recent SWA work

SWA cores terminated onto busbars — Sheffield hospital · busbar connections

Three-phase SWA terminations with earth tails — Sheffield hospital · tightened to spec

Main earth bar with labelled earth cables — Main earth bar

SWA cable drum on site with scissor lift — Drum handling · Sheffield

Crew pulling SWA through external ducts — External duct pull · Thurrock

Engineer terminating SWA on busbar chamber — Sheffield hospital · connecting cables

SWA cables on rooftop cable tray at Sheffield hospital — Sheffield hospital · rooftop tray

Long run of SWA cables on ladder tray along a corridor — Long SWA run on ladder tray

Cables pulled along a roof tray — Roof tray · cable pull

Long cable tray run across a flat roof — Flat roof · tray run

Large SWA cables pulled in to a new LV switchboard — Pulled in to the LV switchboard

SWA cables laid out across the plant room floor during the pull — Cable pull in progress

SWA cables on ladder rack above the plant room — SWA on ladder rack

Large SWA cores terminated on copper busbars in a new panel — Terminated on busbars

How we work

A pull you can plan around

Survey & quantities

Routes walked, drum lengths and pulling tensions checked against drawings.

Pull plan

Crew size, rollers, winch points and drum positions agreed with your site team.

Install & terminate

Cables pulled, cleated, glanded and terminated to manufacturer torque settings.

Test & hand over

IR and continuity results, labels and as-fitted drawings issued.

Watch · Thurrock, 2025

Pulling big cables with an electric winch

Rollers in the trench, a steady electric winch and a team on the line. The cable comes through the ducts at an even pull — no kinks, no damage, no rush.

✓ Electric winch with controlled pull
✓ Cable rollers set in the trench and at bends
✓ Team in radio contact along the route

Accreditations

Accredited & approved

Every certificate can be checked on the NICEIC, MCS, TrustMark and Constructionline registers.

Approved Contractor · 613934000

Solar PV & battery · NIC601130

Registered business

Gold · 1209037

SSIP · valid to 05/2027

Contact

Pricing a job? Send us the drawings.

For main contractors, M&E contractors and developers. Send the tender pack and we send back an itemised quote — quantities, clarifications and exclusions, clearly set out.

Office: 01473 677293 [email protected] Unit 19, Dales Road Business Centre, Dales Road, Ipswich, Suffolk IP1 4JRGet directions → Mon–Fri 7:00–17:00 · Sat 9:00–14:00