Commercial fault finding in Southampton
A tripping breaker on a production circuit or an intermittent supply fault costs a Southampton business its working day. MCI Electrical traces commercial electrical faults and reports what caused them.
Calls answered 24/7
- 17 years trading
- Local to Eastleigh
Commercial fault finding rates in Southampton
Pricing covers initial attendance, diagnostic instrument testing and basic repairs achievable with common van materials, with separate pricing clearly explained before additional work begins.
From £75 an hour
from £75 an hour
Included
- Attendance at the workplace and a talk through the symptoms with whoever is on site
- Safe isolation, testing and tracing from the distribution board to the failed outlet, light or machine feed
- Repair of the defective connection, device or cable where the materials are available on the van or from a local merchant
- A written note of the cause, the work done and any further parts still needed
- NICEIC documentation where the repair is notifiable
- Fault finding covers attendance, instrument testing and immediate repairs using available stock.
- Work scheduled outside normal business trading hours is charged at a distinct rate agreed before travel.
- Quotes are free of charge, appointments can be rescheduled without fees, and there is no callout fee.
- Extensive remedial repairs or replacement distribution switchgear are priced separately item by item.
- Fixed wire testing is priced on the number of boards and circuits, not by the hour.
- Emergency lighting is priced per light, and the three hour test is priced separately.
- Repairs are priced item by item off the report, so you choose what to do and when.
- Work outside your trading hours costs a different rate, and I tell you what it is before I set off.
- Quotes are free, rescheduling is free, and there is no callout fee.
Commercial fault finding across Southampton
We serve Southampton from our base in Eastleigh.
What happens on the day
Every fault finding appointment follows a structured sequence of safe isolation, calibrated instrument testing and verified circuit restoration.
- Site arrival and symptom reviewWe arrive on site, sign in with the facility manager or duty keyholder, and review when the tripping started, what loads were operating, and which specific outlets or machines ceased working.
- Safe isolation and protective disconnectionBefore opening distribution boards or trunking lids, we safely isolate the affected circuit. The rest of the electrical board remains energized so surrounding operations continue uninterrupted.
- Instrument testing and component repairUsing calibrated test equipment, we test insulation resistance, continuity and polarity along the circuit run until the failed connection, broken accessory or shorted cable is found, replacing the component from van stock.
- Verification and operational handoverAfter replacing damaged components or re-terminating joints, we re-test the circuit, restore power at the board, prove the equipment runs under load, and complete written documentation for site records.
How booking works
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Your job report, same day
See exactly what was done as soon as we finish.
Invoice and receipt in one place
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Why choose MCI Electrical
- Trading since
- 2009
“I have worked on commercial premises across Eastleigh and Southampton since 2009. I quote the job, do the work and sign it off myself, so you always deal with the person who knows your building.”
David McInnes, MCI Electrical
Book NowPhotos of our work
Will our entire premises need to be switched off during testing?
No. In most cases, we isolate only the specific circuit exhibiting the fault directly at the distribution board. Adjacent ways supplying lighting, desktop computers, cold storage and till terminals remain powered while testing is carried out on the isolated run.
What happens if a damaged cable cannot be repaired during the visit?
If the cable requires extensive containment replacement or specialist switchgear beyond standard van stock, we make the circuit completely safe, leave the rest of the board live, and provide an itemised written quotation for the required replacement parts.
Do you provide electrical documentation after finding the fault?
Yes. Every visit includes a clear written summary detailing the root cause discovered, the exact circuit tested and the replacement items fitted. Where the completed repair requires statutory notification, NICEIC certification is issued.
Can testing be carried out outside our operational trading hours?
Yes. Visits can be scheduled outside trading hours to avoid interrupting customer trade or heavy production lines. Work arranged outside standard daytime hours is billed at a different rate, which is confirmed before attendance.
Which Southampton commercial areas do you cover for fault finding?
We attend commercial properties across SO14, SO15, SO16, SO17, SO18 and SO19. This includes the Western Docks and port estate, Millbrook Trading Estate, Nursling Industrial Estate, Empress Road, Northam, Above Bar office units, and Ocean Village commercial sites.

