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HDB Circuit Breaker Trip Singapore: Causes, Fixes & Professional Help

  • Jonathan
  • 7 days ago
  • 2 min read

Why Your HDB Circuit Breaker Keeps Tripping


If your lights flicker or your power shuts off suddenly, your circuit breaker is doing its job — protecting your home from electrical overloads.


In HDB flats, circuit breaker trips usually occur due to:

  • Overloaded power sockets (too many devices in one outlet)

  • Faulty appliances or water heaters

  • Short circuits in wiring

  • Aging or damaged electrical components

  • Leaks or moisture affecting switches


While resetting the breaker might restore power temporarily, repeated tripping means a hidden issue that needs professional inspection.


HDB Electrical Rewiring

What We Check & Fix


At PlugBear, we don’t just flip the switch — we identify the root cause. Our licensed electricians will:

  • Inspect and test the main circuit breaker (MCB) and residual current circuit breaker (RCCB)

  • Identify faulty wiring, appliances, or overloaded sockets

  • Replace damaged switches, outlets, and isolators

  • Perform electrical load balancing for stable distribution

  • Conduct safety checks after repairs to ensure proper grounding


We’re also equipped to repair damaged conduits, replace corroded wires, and upgrade old circuit boards for older HDB units.


If you are looking for someone to do a full electrical wiring, you can whatsapp us here.


Common Scenarios We Handle

  • “Every time I switch on my heater, the breaker trips.”

    ➡️ Likely due to a shorted circuit or faulty water heater wiring.


  • “My kitchen power trips when using multiple appliances.”

    ➡️ Indicates an overloaded socket or circuit imbalance.


  • “Lights flicker even after resetting the breaker.”

    ➡️ Often caused by loose terminals or damaged wires.


For older flats, our team can also assist in removing false ceilings or cornices to access hidden electrical wiring for repair or rewiring.


Why Choose Plugbear To Solve Your Circuit Breaker Trip Issues


✅ Established Since 1999 — Trusted by government bodies, MNCs, and homeowners.

✅ Transparent Rates — No surprise charges after inspection.

✅ Full Electrical & Handyman Support — From rewiring to switch replacement, we handle it all.

✅ Same-Day Service — Fast response for emergency power trips.


WhatsApp us now or contact us today.


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