The short answer
A dead power socket is usually something small — a tripped MCB, a loose wire behind the plate, or a worn socket — so reset the MCB and test with an appliance you know works before assuming the worst. But a socket that is warm, scorched or smells of hot plastic is a fire risk: switch that circuit off at the board and stop using it until an electrician has seen it. One dead socket is a local repair, not a reason to rewire; when you need a hand, request free quotes from independent, ID-verified electricians and pay the professional directly.
Here is the honest version first, and the safety line that has to come with it.
When a single power socket stops working, the usual cause is small and cheap: a tripped MCB, a loose wire where the cable meets the socket, or a burnt contact inside the socket itself. None of those is a rewiring job, and none should cost much to put right. But electrical faults are the one category of home problem where "cheap and small" and "dangerous" can be the same fault — a loose connection is both the commonest reason a socket dies and a genuine fire risk, because a loose wire heats up every time current flows through it.
So this guide does two things at once: it walks the causes in order of likelihood so you are not oversold a rewire, and it tells you clearly when a dead socket is a warning sign to stop and call someone rather than poke about. The one rule before you touch anything: if a socket or its plate is warm, discoloured, scorched, or smells of burning plastic, switch off that circuit at the MCB and do not use the socket until an electrician has seen it. That is not a slow fault to save money on.
A note on money, because there is a trap here. XpertWorker is a marketplace, not an electrical contractor. We do not set any professional's price and we never charge you a paisa. This is a diagnose guide, so it names no figure at all — when you want to know what a job typically costs across Delhi NCR, our electrician charges guide for Delhi NCR carries the indicative ranges. The electrician you choose sets their own price, quotes you free before starting, and is paid by you directly. They are independent professionals whose identity we verify with PAN and Aadhaar, not our employees.
In this guide
Before you call anyone: the safe checks
Four checks, all free and all safe — none involves opening a socket or touching a wire. They sort out a surprising share of "the socket is dead" calls in Delhi. Do them before you let anybody quote you for anything.
- 1. Smell and feel the socket first — from a distance. Before any other check, look at the socket and its plate. Is it discoloured, cracked, warm, or is there a faint burning-plastic smell? If yes, stop here: switch off that circuit at the MCB and treat it as an electrician's job now, not a DIY check. A cool, clean-looking socket is safe to keep investigating.
- 2. Check the MCB / distribution board. Go to your DB and look for a switch that has flicked to the OFF (or middle) position — that is a tripped MCB, and it is the single commonest reason a socket or a whole row goes dead. Switch it fully off and back on. If it holds, you are done. If it trips again immediately, do not keep resetting it — that is the board telling you there is a real fault, and our MCB keeps tripping guide is the next read.
- 3. Test with a different appliance. Plug something you know works — a phone charger, a lamp — into the dead socket. Then plug the original appliance into a socket you know works. Half of all "dead socket" calls are actually a dead charger or a failed appliance, and this thirty-second swap tells you which.
- 4. See how far it spreads. Is it one socket, or every socket in the room, or the whole flat? One dead socket points at that socket or its own connection. A whole room or the whole flat points at the MCB, the board, or the incoming supply — a different, usually bigger, conversation. Knowing which you have before you call saves everyone time.
If the socket is still dead after the MCB reset and the appliance swap — and it is cool and clean to look at — it is time to call someone, and now you can describe exactly what you found instead of guessing.
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Get free quotesSymptom, cause, and what you actually need
Match what you are seeing to a row. The third column is the one that saves you money — it is the difference between the small fix you need and the rewire you might be sold.
| What you are seeing | Most likely cause | What you actually need |
|---|---|---|
| One socket dead; MCB has not tripped; socket cool and clean | Loose wire behind the plate or a worn socket | A socket repair or replacement — a small job, not a rewire |
| A whole row / room of sockets dead together | Tripped MCB, or a loose wire at the first socket in the loop | Reset the MCB; if it holds, done. If not, an electrician traces the loop |
| MCB trips again the moment you reset it | A short or an overload on that circuit | A fault trace — not a bigger MCB. See the MCB guide |
| Socket warm, discoloured or smells of burning | Loose or arcing connection overheating — a fire risk | Stop using it. An electrician, urgently — see below |
| Socket sparks or the plug feels loose in it | Worn socket contacts no longer gripping the pins | A socket replacement — cheap, and worth doing promptly |
| Socket works intermittently — on, then off, then on | A wire loose under its terminal screw, making and breaking contact | A connection re-make — small, but do not ignore it |
| Every socket in the flat dead at once | Main MCB, a board fault, or an incoming supply problem | An electrician (or the supply) — check neighbours first |
Notice how many rows resolve to "a socket" or "a connection" rather than rewiring. That is the real shape of this fault: a small, local cause that is easy to dress up as an expensive one — with the one serious exception in row four, which is about safety, not money.
Why it is usually a loose or burnt connection
This is the part worth understanding for yourself, because it is both the commonest cause and the one that matters most for safety.
Inside every socket, the house wires are held under small screw terminals. Over years — and faster in Delhi's heat, and faster still on the older aluminium wiring in many DDA flats and pre-2000 builds — those screws can loosen and the wire can creep. A loose wire does two things: it makes intermittent contact, so the socket works on and off or dies entirely; and it heats up, because electricity forced through a poor connection generates heat right at that point. That heat is what discolours the plate, melts the plastic, and in the worst case starts a fire.
So a dead socket and a dangerous socket can be the very same fault at different stages. Caught early — the socket simply stops working, still cool — it is a two-minute re-tightening or a cheap socket swap. Left until it is warm, browning or smelling of hot plastic, it is an emergency. This is why you never keep resetting a tripping MCB or keep using a socket that feels warm: the board and the heat are both warning you about the same underlying loose or overloaded connection.
The good news is what this does not usually mean. A single dead or burnt socket does not mean your whole flat needs rewiring. It means one connection or one socket has failed and needs attention. Whole-house rewiring is a much bigger decision driven by the broader signs your wiring needs replacing — repeated tripping across circuits, several warm points, crumbling insulation — not by one socket going dead.
When it is genuinely an electrician's job
MCB reset, appliance swapped, and the socket is still dead — or worse, it is warm or scorched. Now it is reasonable, and sometimes urgent, to call someone. Here is what it usually turns out to be and how each announces itself.
| What you observe | Likely fault | DIY or electrician? |
|---|---|---|
| One socket dead, cool and clean, MCB fine | Loose wire behind the plate or a worn socket | Electrician. Opening a socket and re-making a live connection is quick for them but a shock risk for you — their tools, mains off |
| Socket warm, browning, or smells of hot plastic | An overheating connection — arcing | Electrician, urgently. Switch the circuit off now. This is a fire-risk fault, not a convenience one |
| MCB trips the instant you reset it | A short or an overload on the circuit | Electrician. They find the fault; a healthy MCB tripping is doing its job — see the MCB guide |
| A whole row or room dead, MCB will not stay on | A fault at one point in the socket loop | Electrician. They trace the loop socket by socket to the failed connection |
Row two is the one that overrides everything else on this page. Money-saving advice stops the moment there is heat or a burning smell: that socket is not a repair to shop around on this week, it is a circuit to switch off today. Everywhere else, though, a dead socket is one of the least alarming electrical faults there is — usually a loose wire or a worn socket, almost never a reason to rewire. If the trouble comes with lights dimming, several warm points, or repeated tripping across different circuits, treat that as the bigger picture and read the signs your wiring needs replacing.
How not to overpay on a dead socket
- Do the MCB reset and appliance swap before anyone visits. If a reset fixes it, you have saved a call-out entirely; if a swap shows the fault was a dead charger, you have saved a wasted visit.
- Refuse "your flat needs rewiring" for one dead socket. A single failed socket or connection is a small, local repair. A rewire is a separate decision driven by wide, repeated warning signs — not by one socket, and never quoted sight-unseen.
- Ask to see the fault. A good electrician will show you the loose wire, the burnt terminal or the worn socket, and the socket working after the fix. A verdict of "the wiring is gone" with nothing to show is a verdict to distrust — get a second opinion.
- Separate labour from parts. A socket, a switch or a length of wire is a small part. It should appear as its own line, not be folded into a vague "electrical work" lump.
- Keep the old part. Ask for the burnt socket or switch back. It costs the electrician nothing and quietly ends the "I replaced it, trust me" problem.
- Do not pre-pay or buy a package. Pay the electrician directly, after the work, once you have tested the socket yourself. Our electrician charges guide sets out the indicative ranges so you can judge a quote before you accept it, and our note on how to hire without being overcharged covers the rest.
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Get free quotes →Frequently asked questions
Why has one power socket stopped working?
My socket is warm or smells of burning. Is that dangerous?
A whole row of sockets is dead. What causes that?
Does a dead socket mean my flat needs rewiring?
How much does it cost to fix a dead power socket in Delhi?
Does XpertWorker set the price for electrical repairs in Delhi?
How we put this guide together
This guide is compiled from common Delhi NCR service patterns and reviewed by the XpertWorker team. XpertWorker connects you with independent, ID-verified professionals — we never charge you a paisa, and each professional sets their own price and quotes you free.