Source: Imperial Oil/Esso For more videos visit our gallery: For more info visit: This video presents the vital role of electrical maintenance and instrumentation for an oil and gas plant. Electrical and instrumentation services may include the design, construction and testing of electrical switchboards, marshalling cabinets, control cabinets and industrial process automation systems to the on-site construction of electrical and instrumentation facilities, to end-to-end testing, calibration and adjustment, commissioning and technical assistance to operation and maintenance staff.