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Electrician in Johor Bahru — DB Box Upgrade, EV Charger, Solar Hookup & Renovation Electrical

Electrician in Johor Bahru — DB Box Upgrade, EV Charger, Solar Hookup & Renovation Electrical

Johor Bahru's property renovation wave is creating substantial demand for electrical upgrade works. In older JB City and Skudai terrace houses, systems are frequently original — 30 to 50 years old, designed for a fraction of current household load. In newer Iskandar Puteri properties, the infrastructure is more current but buyers are adding EV chargers for imported Singapore-purchased electric vehicles, solar PV systems with battery storage, and multi-zone AC that the developer's base specification never anticipated.

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Electrician in Johor Bahru — DB Box Upgrade, EV Charger, Solar Hookup & Renovation Electrical

We handle electrical upgrade works across all of Johor Bahru — renovation-grade, upgrade-focused, coordinated alongside the full project scope.

JB Electrical — Two Very Different Scopes

In older JB City and Skudai residential areas: DB box replacement (rewirable fuse boards at capacity), dedicated circuit additions for AC, rewiring sections where cable insulation has deteriorated. In Iskandar Puteri — Horizon Hills, Nusajaya, Medini, Puteri Harbour: homeowners adding home EV chargers for Singapore-purchased EVs, solar PV systems with export to TNB under the Net Energy Metering scheme, and larger AC systems. We advise on what the existing panel can accommodate and what requires an upgrade before any work begins.

Our Work

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Our Services

Full scope of services we provide.

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DB Box Replacement & Upgrade

Old fuse boards or undersized MCB boards replaced with properly rated modern distribution boards. For older JB terrace houses, a 12-way to 18-way MCB board upgrade is typically correct. For Iskandar Puteri landed homes adding solar, EV, and additional AC circuits, we advise on the correct board capacity and sub-board configuration.

EV Charger Installation — JB

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Solar System Electrical Hookup

For Iskandar Puteri and newer JB landed homes installing rooftop solar PV: we handle the electrical works for solar connection — inverter wiring, grid connection, isolation switch installation, and DB box modifications required for Net Energy Metering export. We work alongside your solar panel installer as the dedicated electrical contractor.

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Wiring Upgrades & Renovation Electrical Scope

Partial or full rewiring for older JB properties, circuit additions for AC and kitchen loads, lighting, power points, and all electrical works within kitchen, bathroom, and home renovation scope.

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Commercial Refrigeration

RumahPro provides commercial refrigeration electrical hookup and maintenance services for JB commercial operators. The electrical infrastructure for a walk-in cold room or display chiller installation — condensing unit circuits, control panel wiring, temperature alarm connections — is part of our commercial refrigeration scope. For JB food manufacturers in Pasir Gudang and Tebrau who run large cold room systems, we provide electrical maintenance contracts alongside the refrigeration servicing.

Areas We Cover in Johor Bahru

What's Included

done_all Electrical Services in Johor Bahru
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Cost Guide

Pricing Estimates

DB box replacement (12-way MCB, materials + labour) RM 600 – 1,200
Dedicated AC circuit installation (per unit) RM 200 – 400
EV charger circuit and installation RM 600 – 1,400
Ceiling fan installation 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

My JB terrace MCB trips constantly when I run AC and kitchen together. expand_more
This is a circuit overload symptom — usually multiple high-load appliances on a shared circuit not sized for the combined load. In older JB terraces, AC units were often connected to the general circuit rather than a dedicated circuit. We assess the load distribution and add dedicated circuits or upgrade the DB box capacity depending on what the assessment shows.
Can you install an EV charger at my Iskandar Puteri home? expand_more
Yes. We handle EV home charger installation across Iskandar Puteri — Horizon Hills, East Ledang, Nusajaya, and Puteri Harbour. We assess your panel capacity and advise on the correct installation specification for your charger and usage pattern.
I am renovating my JB property from Singapore. Can you handle the electrical works? expand_more
Yes. We manage the full electrical scope remotely for Singapore-based property owners with JB properties. Quotation, scheduling, and daily photo updates via WhatsApp. Contact us and we will outline the process.

Coverage Area

Areas We Cover in Johor Bahru

Book Your Service

Contact us via WhatsApp for a free quote.

location_on Serving KL, Selangor & Johor Bahru
schedule Mon–Sat 8:00 AM – 6:00 PM
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