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Electrician in Petaling Jaya — DB Box Upgrade, Rewiring & Electrical Renovation Works

Electrician in Petaling Jaya — DB Box Upgrade, Rewiring & Electrical Renovation Works

If your Petaling Jaya terrace house was built before 1990, there is a high probability the electrical system has never been significantly upgraded. The wiring inside the walls is original. The distribution board may still use rewirable fuses. And the circuits were designed for a household running a television, a few lights, and maybe one air conditioner — not the 3 to 4 split unit ACs, induction hob, high-capacity water heaters, and home EV charger that a modern PJ household runs simultaneously.

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Electrician in Petaling Jaya — DB Box Upgrade, Rewiring & Electrical Renovation Works

We upgrade residential electrical systems in Petaling Jaya properly — DB box replacement, circuit additions, rewiring where genuinely needed, and all works coordinated with renovation scope so walls do not need to be opened twice.

Our Work

Electrician in Petaling Jaya — DB Box Upgrade, Rewiring & Electrical Renovation Works - 1
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Our Services

Full scope of services we provide.

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The PJ Older-Home Electrical Problem

In the older SS estates — SS2, SS3, SS4, SS5, SS6, Damansara Jaya — the most common electrical issue is a combination of three things: an undersized DB box that cannot accommodate additional circuits, original wiring aged well beyond its practical service life, and a cumulative load that trips the main breaker when multiple high-load appliances run simultaneously. Signs to watch for: frequent MCB trips, burning smell near sockets, warm outlet covers, flickering lights, or a DB box with rewirable fuses. Any of these in an older PJ terrace warrants an assessment before renovation.

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DB Box Replacement & Upgrade

Replacing old fuse boards or undersized MCB boards with properly sized modern distribution boards. For a 3-bedroom PJ terrace house, a 12-way to 18-way MCB board with correct labelling is the standard upgrade. We test all circuits after installation and provide a handover sheet showing circuit assignments.

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Electrical Wiring Upgrades & Rewiring

Partial rewiring for specific rooms or circuits — kitchen, bathrooms, AC circuits — without necessarily rewiring the entire property. Full rewiring for older properties where cable insulation has degraded throughout. We minimise wall hacking and reinstate surfaces properly.

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EV Charger Installation

EV home charging is growing rapidly in Petaling Jaya — particularly in the Ara Damansara, Damansara Perdana, and Kelana Jaya corridors where the professional and expat demographic has a high rate of EV adoption. We install dedicated 32A or 40A circuits and mount the charge point at the correct location in your car porch or garage.

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Lighting, Power Points & Renovation Electrical Works

Downlight installation, LED feature lighting, additional power points, USB charging sockets, ceiling fan installation, and all electrical works within kitchen, bathroom, and home renovation scope. Planned before walls are closed.

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Additional Services in Petaling Jaya

Appliance Repair — Washing Machine, Dryer & Refrigerator

RumahPro also handles residential appliance repair in Petaling Jaya. If your washing machine is not draining, your dryer has stopped generating heat, or your refrigerator has lost cooling, our technicians diagnose the fault on-site and issue a written repair quotation before any work begins. No surprise parts invoices.

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Commercial Refrigeration

Commercial refrigeration installation and maintenance for PJ food businesses, pharmacies, and retail operators. The SS2, Damansara Utama, and Kelana Jaya commercial strips have a high density of cafes, restaurants, and convenience stores — all requiring properly maintained display chillers and cold storage. We supply, install, and service commercial refrigeration equipment and offer maintenance contracts tailored to the operating hours of each business.

Areas We Cover in Petaling Jaya

What's Included

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Cost Guide

Pricing Estimates

DB box replacement (12-way MCB, materials + labour) RM 600 – 1,200
DB box replacement (18-way MCB, larger homes) RM 900 – 1,600
Dedicated AC circuit installation (per unit) RM 200 – 400
EV charger circuit and installation RM 600 – 1,400 depending on run length
Ceiling fan installation (braced mount) RM 150 – 300 per unit
Full rewiring — 3-bedroom terrace RM 3,500 – 7,000

All costs confirmed in a written fixed quotation before work begins.

Frequently Asked Questions

How do I know if my PJ terrace needs rewiring? expand_more
Clearest signs: MCB trips regularly when multiple appliances run, burning smell near sockets or the DB box, warm outlet covers, flickering lights, or a DB box with rewirable fuses rather than MCBs. Any of these in an older PJ terrace warrants an assessment. We carry out a free electrical assessment as part of the pre-renovation quotation.
Can you just upgrade the DB box without rewiring the whole house? expand_more
Yes — and this is the most common scope in older PJ homes. If the existing wiring is in reasonable condition, a DB box upgrade and circuit additions is often sufficient. We assess the wiring condition honestly and only recommend full rewiring when it is genuinely needed.
Can you install my EV charger in Petaling Jaya? expand_more
Yes. We handle EV home charger installation across PJ — terraces, semi-Ds, and strata properties (subject to building management approval for the latter). We advise on the correct circuit and charger specification for your vehicle before installation.

Coverage Area

Areas We Cover in Petaling Jaya SS1, SS2, SS3, SS4, SS5, SS6, SS7, SS14, SS22, Damansara Jaya, Damansara Utama, Section 14, Section 17, Kelana Jaya, Ara Damansara, Damansara Perdana, Taman Jaya, Taman Mayang, and surrounding PJ areas.

Book Your Service

Contact us via WhatsApp for a free quote.

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schedule Mon–Sat 8:00 AM – 6:00 PM
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