Website “Changfidotcom” We are the company about power service inside the building and electrical work. We had to service in Bangkok and the nearby province. And also have 24 Hours service more than 10 years of experion. We have a part of engineer for design and have many team for installation work. The kind for our work such as home service, power system in the house, power system in the building, power system in the factory and another of power system. For the TOR goverment auction work, we had accepted jobs all province also.

Contact Us in English: Call

Telephone number or push for call now.

Our Service

Fast fix these is the way to got the service.

Urgent Fix

Contact us through line application.
How to installation solution.

Install Work

Electrician

Design team, power system.

System Design

Electrical Engineer

A website that provides knowledge and provides services based on engineering standards. With manpower ready Access to the work site in 1 hour. Streamlined management. Work systematically.
Our team try to fix its.

With pride in maintenance work The first online With continuous experience for more than 10 years.

Electrician / Power Service Electrician

Electrician / Power Service Electrician

Home electrician / Building electrician / Factory electrician / Electrical engineer

English support times Monday – Saturday 08:30 AM – 05:30 PM

electrician in action
electrician in action
installation
electrician installing condute for polling wire
cut andthen rewirring
cut andthen rewirring

urgent repairing / desing / installation / main distributor / main feeder / solar power / ev charge

clamp meter
Testing powersystem for repairing by clamp meter
electrician working scene
Checking safety breaker
consumer unit
consumer unit repairing
electrician
Ready to go..
Fast repairing
Fast repairing
measuring test
measuring test
wirring in condute
pressure switch
pressure switch of autometic pump
fast fix
cutting wire
change power sys
consumer unit
consumer unit
measuring AC voltage at a GFCI
measuring AC voltage at a GFCI
gate motor control box for an automatic sliding gate
gate motor control box for an automatic sliding gate
test setup for checking AC voltage and safety using a digital RCD/ELCB tester
test setup for checking AC voltage and safety using a digital RCD/ELCB tester
measure voltage in an electrical panel
measure voltage in an electrical panel
Two workers are fixing electrical cables
Two workers are fixing electrical cables
repairing a ceiling LED light.
repairing a ceiling LED light.
ELCB (Earth Leakage Circuit Breaker)
ELCB (Earth Leakage Circuit Breaker)
A clamp meter shows a current reading of 3.203 A in an electrical panel.
A clamp meter shows a current reading of 3.203 A in an electrical panel.

An infrared safety sensor for an automatic gate
An infrared safety sensor for an automatic gate
Exposed electrical wiring inside a wall switch box.
Exposed electrical wiring inside a wall switch box
A Hioki 3151 Earth Tester being used to measure ground resistance.
A Hioki 3151 Earth Tester being used to measure ground resistance.
Measuring current with a clamp meter inside an electrical control panel.
Measuring current with a clamp meter inside an electrical control panel.
A neatly wired electrical distribution panel with Schneider circuit breakers.
A neatly wired electrical distribution panel with Schneider circuit breakers.
An electrician is repairing a wall switch.
An electrician is repairing a wall switch.
An electrician is installing a ceiling light fixture.
An electrician is installing a ceiling light fixture.
A wall switch with exposed wiring pulled out from the electrical box.
A wall switch with exposed wiring pulled out from the electrical box.
A technician is chiseling a wall to install electrical conduit.
A technician is chiseling a wall to install electrical conduit.
An electrician is checking an electrical panel with circuit breakers and timer switches.
An electrician is checking an electrical panel with circuit breakers and timer switches.
A clamp meter measures current on a main breaker circuit
A clamp meter measures current on a main breaker circuit
A technician is drilling near the doorway to install
A technician is drilling near the doorway to install
A close-up photograph shows an AC clamp meter
A close-up photograph shows an AC clamp meter
consumer unit
consumer unit
consumer unit repairing
consumer unit repairing
electrical breaker paneland an industrial power socket
electrical breaker paneland an industrial power socket
Checking Consumer Unit
Checking Consumer Unit
consumer unit
consumer unit
A messy electrical panel.
A messy electrical panel.
Design
Design

How to use service

add line > tell problem > wait service cost > accept > wait for service

service method
line OA

The best power service in Bangkok.

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