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Electrical wiring in Petaling Jaya

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Tell us the job and ask local businesses for quotes. Wiring must be done by a Suruhanjaya Tenaga certified wireman: PW1/PW2 for single phase and PW3/PW4 for three phase, where PW2 and PW4 include testing endorsement.

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A home consumer unit (DB box) with a row of circuit breakers
Photo: Domestic Consumer Unit.JPG by Pfnicholls, CC BY-SA 4.0

Businesses listed in Petaling Jaya

Local businesses. Dispatcher has not checked these businesses’ licences yet.

What does it cost?

We only publish price ranges with a named source, and those are still being checked. The quickest way to a real price is to ask local businesses for quotes.

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What do PW1, PW2, PW3 and PW4 mean?

  • PW1: single-phase wireman, without testing endorsement.
  • PW2: single-phase wireman, with testing endorsement.
  • PW3: three-phase wireman, without testing endorsement.
  • PW4: three-phase wireman, with testing endorsement.
  • PW3 requires holding PW1/PW2 for at least one year plus a year of logged wiring experience with an ST-registered contractor.
  • Certificates are issued by Suruhanjaya Tenaga (Energy Commission) under the Electricity Regulations 1994.

Sources: Suruhanjaya Tenaga: Wireman competency (PW1–PW4) · Suruhanjaya Tenaga: Kategori Pendawai Elektrik

How it works on Dispatcher

  1. Pick the service and answer one quick question. It’s free.
  2. Local contractors who cover your area can see your request and may contact you.
  3. Pick one. The others are marked Not selected and can no longer see your details. If one can’t take it, we pass it to the next contractor in line (or ask you first, if you chose that).
  4. The job is scheduled and tracked. After the job we ask you for one honest review.

Questions about electrical wiring in Petaling Jaya

Can I do my own house wiring in Malaysia?

Wiring work should be done by a Suruhanjaya Tenaga certified wireman working with a registered electrical contractor. TNB’s guidance is that only ST-registered competent persons or contractors should handle wiring and safety upgrades.

Why does my MCB or RCCB keep tripping?

Common causes are an overloaded circuit, a faulty appliance or moisture in a socket. Unplug appliances one by one; if it still trips, book a certified wireman for fault-finding.

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