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About Us

Prudent Engineering Company Limited is a Registered Electrical Contractor (Registration No.: 034206). Combining extensive property management background with hands-on engineering expertise, we provide one-stop, fully compliant Electrical, Mechanical, Plumbing, and HVAC engineering solutions across Hong Kong.

Professional Qualifications & Standards

  • Statutory Licensing: Supervised directly by Registered Electrical Workers (Grades A, B, C & H) and Licensed Plumbers (Grade 1).

  • Strict Compliance: All works and inspections strictly adhere to the EMSD Code of Practice for the Electricity (Wiring) Regulations (COP) and relevant IEC standards.

  • Professional Affiliations: Team credentials include professional memberships such as MIET and MCIPHE.

Core Services

  • Statutory Inspections: Form WR2 Periodic Inspection, Testing and Certification (PITC), and Form WR1 issuance for new installations.

  • Electrical Engineering: Main switchboard replacement, system maintenance, and rapid troubleshooting for earth faults and tripping issues.

  • HVAC & Plumbing: Ventilation and air-conditioning maintenance, comprehensive pipework engineering, and CLP / HKE / WSD meter application services.

Sectors Served Industrial & Commercial Buildings | Grade-A Offices | Residential Estates | Schools & Institutions | Retail Chains

Contact us today for professional consultation and engineering quotations.

Scope of Service 

Form WR2
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Periodic Inspection, Testing and Certification (Form WR2)

Under the Electricity (Wiring) Regulations, owners of electrical installations must arrange for periodic inspection, testing, and certification. Non-compliance not only leads to prosecution but also increases the risk of fire and electrical faults, posing a significant danger to public safety.

For fixed electrical installations in typical residential or commercial premises with an approved loading exceeding 100A, the installation must be inspected, tested, and certified at least once every 5 years. The Periodic Test Certificate (Form WR2) must be submitted to the Electrical and Mechanical Services Department (EMSD) for endorsement. All related electrical works - including inspection, maintenance, and repair, must be carried out by a Registered Electrical Contractor.

Electrical Inspection 

We provide comprehensive electrical inspection services using professional diagnostic instruments to measure power quality, current conditions, the effectiveness of protective devices, and Infrared Thermography for fault detection. All our testing instruments are calibrated annually by HOKLAS accredited laboratories under the Hong Kong Accreditation Service (HKAS) to ensure precision and compliance. 

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Electrical Works (All Scales) 

We undertake various electrical installation and maintenance projects for industrial and commercial buildings. Our expertise includes the installation of main switchboards (DB/MCCB boards), power distribution circuits, lighting systems, and temporary power supply setups. We welcome all inquiries for bespoke solutions. 

Meter Application & Reconnection 

We provide power meter application services for new retail shops and premises. Additionally, we conduct pre-reconnection inspections and issue Form WR1 certificates for units requiring meter reactivation to ensure the safety of the existing circuitry. 

水務工程
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Water Meter Application 

Our professional Licensed Plumber (Class 1) provides end-to-end management for water meter applications, as well as the replacement and upgrading of potable water piping systems. 

Pump Installation & Maintenance 

We offer comprehensive inspection, repair, maintenance, and installation services for building water pumps. Our technical team possesses extensive dual-discipline experience in both plumbing and electrical engineering. 

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冷氣工程
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HVAC Engineering 

  • Indoor and outdoor air-conditioning works for industrial buildings, retail shops, and offices.

  • Installation, maintenance, and repair of window-type and split-type AC units.

EV Charging Facility Installation

We provide one-stop Electric Vehicle (EV) charging facility installation services, including electricity meter applications.

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Unvented Thermal Storage Electric Water Heaters 

We provide professional installation of unvented thermal storage electric water heaters for residential units, community centers, and elderly care facilities. All installations are strictly carried out by qualified personnel in compliance with safety regulations. 

Contact Us

Room 21, Block B, 5/F, 

Precious Industrial Centre, 

18 Cheung Yue Street, 

Cheung Sha Wan, Kowloon

Tel.: 2328-3827

Fax: 3013-9872

WhatsApp: 6160-1328

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Service Hours:
Monday to Friday: 09:00 - 18:00
Saturday: 09:00 - 13:00
Sunday & Public Holidays: Closed

Thanks for your message! We shall contact you shortly. For instant support, you may contact us directly via WhatsApp.

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©2026 by 安誠機電工程有限公司 Prudent Engineering Company Limited.

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