Responsibilities also include installing and maintaining end devices, alarms, shutdown systems, process controls, air/fuel controllers, and panel boards; interpreting P&IDs, electrical diagrams, and complex electrical drawings; and performing preventive and general maintenance on electrical, electronic, pneumatic, and mechanical systems. Key responsibilities include safely installing instrumentation and electrical components; troubleshooting and maintaining control systems, instrumentation, and electrical power systems up to 4,160 volts; and supporting gas reciprocating, electric drive, and turbine engines, compressors, generators, and auxiliary equipment.