Electrical Service by ProChang
Electrical Service from ProChang — book a vetted technician to your home with transparent pricing, across Bangkok and the surrounding provinces.

20-Point Home Electrical Safety Inspection Protect your home with a comprehensive electrical health inspection performed by ProChang-certified technicians. Our experts inspect 20 critical electrical checkpoints throughout your home using professional testing equipment to identify potential safety risks before they become costly or dangerous problems. What's Included ✔ Comprehensive inspection of 20 electrical checkpoints ✔ Professional diagnostic testing using industry-standard instruments ✔ Visual inspection of electrical components and wiring ✔ Electrical safety assessment ✔ Photo documentation of identified issues ✔ Electrical Health Report with recommendations ✔ Repair quotation (if required) 20-Point Inspection Checklist ⚡ 1. Electrical Leakage Measure electrical leakage current using a Clamp Meter. 🧯 2. Circuit Breaker Check terminal tightness, burn marks, and abnormal heat using an infrared thermometer. 🔌 3. Electrical Wiring Inspect wiring for damaged insulation, burn marks, deterioration, and moisture exposure. 💡 4. Light Switches Check switch operation, loose contacts, electrical arcing, and burn marks. 🔲 5. Power Outlets Inspect outlets for burn marks, loose contacts, damaged terminals, and melted plastic. 🌍 6. Grounding System Measure grounding resistance using an Earth Tester and verify that the grounding system is functioning properly. ❄️ 7. Air-Conditioning Electrical System Inspect the electrical connections of the outdoor unit and the condition of the terminal block. 🚿 8. Water Heater Safety System Test the ELCB or RCD and verify that the grounding wire is correctly connected. 🌧️ 9. Outdoor Electrical System Inspect outdoor junction boxes, seals, wiring, moisture protection, and outdoor light fixtures. 🏠 10. Main Service Cable Inspect the main electrical cable from the meter to the consumer unit, including its condition and connection points. 🗄️ 11. Consumer Unit / Electrical Panel Inspect the inside of the consumer unit for dust, loose connections, busbar condition, burn marks, and electrical arcing. 🏷️ 12. Circuit Labeling Verify that the main circuit and sub-circuits are clearly and correctly labeled. 🔄 13. Outlet Polarity Use a Socket Tester to verify the correct connection of Live, Neutral, and Ground wires. 🪜 14. Ceiling and Concealed Wiring Inspect wiring above the ceiling for deterioration, damaged insulation, improper routing, and unsafe installation. 💡 15. Lighting System Inspect light fixtures, lamps, wiring connections, and signs of overheating or deterioration. 💧 16. Water Pump Electrical System Inspect the water pump’s electrical connections, power cable, cable routing, and protective conduit. 📊 17. Electrical Load Assessment Use a Clamp Meter to measure total electrical current while major household appliances are operating and assess the risk of overload. 🔌 18. Power Strips and Extension Outlets Check safety certification, cable condition, outlet condition, and overload protection. 🔔 19. Electric Doorbell Inspect the doorbell button, wiring, moisture exposure, operation, and alarm sound. 🛡️ 20. Surge Protection Device Inspect the operating status, indicator light, installation condition, and functionality of the Surge Protection Device.

All Power Outage: A Sign of Electrical Issues. Don't take risks—call ProChang for a professional inspection and repair

Installation service for jumper-style water heaters (wiring already in place) by professional technicians from ProShang. Installed to standard, safe, durable, and ready for long-term use.
The technicians who handle Electrical Service
Every one is trained and background-checked before their first job. Each profile shows the work they do, their years on the tools, the areas they cover and the scores from real jobs.

- Job type
- ช่างไฟฟ้า ปะปา แอร์
- Experience
- 4 yrs
- Service area
- Phra Nakhon, Dusit, Nong Chok +47

- Job type
- ช่างไฟฟ้า แอร์
- Experience
- 15 yrs
- Service area
- Phra Nakhon, Dusit, Nong Chok +61

- Job type
- แอร์ / เครื่องซักผ้า / ไฟฟ้า
- Experience
- 2 yrs
- Service area
- Phra Nakhon, Dusit, Bang Rak +26