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Testing and Commissioning Services

Smith Brothers (Contracting) Ltd carry a wide range of testing equipment. All test equipment is fully calibrated. 

Our services include all aspects of electrical transmission and distribution. In addition we can cover commissioning of all rotating machines and associated equipment. 

Our dedicated service team includes highly qualified and experienced engineers who can not only meet but also exceed your expectations. 

We provide a comprehensive commissioning and testing services which includes:

Transmission and Distribution


• High Voltage AC and DC pressure testing
• Primary Injection
• Secondary Injection
• Ducter testing
• G59 Protection testing
• Earth System testing
• FT4 LV bus bar flash testing
• Full range of transformer and switchgear oil testing
• Generation

Power generation and rotating plant


• Commissioning of machines and associated equipment
• Generator excitation and protection systems
• Inspection and fault diagnosis
• Control and instrumentation
• Site testing and condition monitoring
• Specialist labour fully trained for overseas and offshore work

24 hour global support service with the quality assurance accreditation to BS EN ISO 9001:2000 

A comprehensive report and relevant test sheets support all testing and commissioning. 

We can offer to act as authorised person's for switching on clients networks and for projects, with several of our engineers having current authorisation training and certification.