Electrical Socket Repair in Warsaw — Diagnosis and Fix

A socket does not always need a full replacement. Often the problem is solved by repair: tightening loose contacts, replacing a scorched terminal, securing a wobbly mechanism in the back box. If the housing is not melted and the mechanism is intact, repair is cheaper and faster. In Mokotow and Zoliborz we frequently encounter sockets that simply need their contacts tightened after many years of use. But if the damage is serious, we will tell you honestly that replacement is the better option.

Cost and what affects it

The repair price depends on the nature of the fault. A simple contact retightening is quick and inexpensive. Replacing a terminal block, restoring cable insulation or repairing the back box costs a little more. If the socket is damaged beyond economical repair, we recommend replacement. Current prices for all electrical work are in the table below.

Serviceminmax
Light switch installation 50 zł/szt90 zł/szt
Light switch replacement 60 zł/szt60 zł/szt
Light switch repair 60 zł/szt120 zł/szt
Electrical socket installation 80 zł/szt120 zł/szt
Electrical socket replacement 50 zł/szt80 zł/szt
Electrical socket repair 60 zł/szt100 zł/szt
Electrical point installation 120 zł/pkt180 zł/pkt
Wall chasing for wiring 40 zł/mb70 zł/mb
Electrical wiring installation 15 zł/mb30 zł/mb
Junction box wiring connection 40 zł/szt80 zł/szt
Lighting installation (lamp, chandelier) 80 zł/szt150 zł/szt
Lighting replacement 150 zł/szt150 zł/szt
Lighting repair 120 zł250 zł
LED strip installation60 zł/mb90 zł/mb
LED transformer installation 150 zł/szt220 zł/szt
Light bulb / halogen replacement 30 zł/szt50 zł/szt
Power socket installation 230/400 V 120 zł/szt220 zł/szt

What faults can be repaired

  • Loose terminal contacts — the cable is not clamped firmly, the socket sparks or overheats.
  • Wobbly mechanism — the socket moves in the wall, the plug falls out.
  • Cracked faceplate or frame — replacing decorative parts without changing the mechanism.
  • Oxidised contacts — cleaning and retightening.
  • Short cables — extending with WAGO connectors or crimp sleeves.
  • Broken back box — replacing the box while keeping the socket mechanism.

How the repair works

  1. Diagnosis: we isolate the circuit, remove the faceplate and inspect the mechanism, cables and back box.
  2. Identifying the cause: we check terminal tightness, insulation condition and contact plate integrity.
  3. Fixing the fault: we retighten contacts, clean oxidised cables and extend short ends where needed.
  4. Securing the mechanism: we fix the socket into the back box using fixing lugs or screws.
  5. Testing: we switch the circuit on, measure voltage and test under load.

When repair is no longer an option

  • The mechanism housing is melted or warped from overheating.
  • Contact plates are destroyed — they no longer hold the plug.
  • There are signs of a short circuit inside — blackening, burning smell.
  • The mechanism is an obsolete standard — no spare parts available.
  • Cables are so badly scorched that stripping back to a sound section is impossible without chasing the wall.

Warning: any electrical repair means working at or near live voltage. Incorrect connections lead to short circuits or fire. Do not take risks — call a professional.

What to prepare before the visit

  • Show us where the consumer unit is — the technician needs to isolate the circuit.
  • Describe the problem: sparking, overheating, wobbly, not working — the more detail, the faster the diagnosis.
  • Clear access to the socket — move furniture away.
  • If the socket is smoking or sparking heavily, isolate the circuit immediately and stop using it.
  • If several sockets have problems, let us know in advance — we will inspect them all in one visit.

A real case from Warsaw

A client in Zoliborz reported that a living-room socket kept ‘cutting out’ — the TV would go off and come back on a minute later. On inspection the cable in the terminal was hanging by a single strand — the rest had broken from vibration. We stripped the cable, re-crimped it in the terminal and checked every other contact in the socket. We also secured the mechanism, which was loose because a fixing lug had snapped — we screwed it directly into the back box. The problem disappeared and no replacement was needed.

Frequently asked questions

Can I repair a socket myself?
Retightening a contact is technically simple, but it requires isolating the circuit and testing with an indicator. If you have no experience with electrics, it is safer to call a professional.

What is the difference between repair and replacement?
Repair keeps the existing mechanism: contacts are tightened, terminals cleaned, the body secured. Replacement means fitting an entirely new socket.

Why does a socket spark?
A weak terminal contact, cable oxidation, or worn contact plates. Each of these can be fixed by repair if the mechanism is not destroyed.

How long does a repair take?
A simple retightening — 15–20 minutes. Replacing the back box and extending cables — up to an hour.

Can the technician decide on the spot — repair or replace?
Yes. Once the faceplate is off, the condition of the mechanism, contacts and cables is visible. The decision is made immediately.

Book a socket repair

We repair sockets across Warsaw: retighten contacts, clean terminals, secure mechanisms and extend short cables. If repair is not worthwhile, we will say so honestly and suggest a replacement. Get in touch — we will come, inspect and fix it.