Internet Protocol-based private branch exchange voice switch IP-PBX IPS Instrumented Protective System Infrared IR IS Intrinsically safe International Society of Automation ISA ISC In stream components Induced Static Flotation ISF ISO International Organization for Standardization Internet service provider ISP IT Information technology International Telecommunications Union Telecommunications (standards) ITU-T – J Junction box JB K Clock/Timer KI KO Knock Out Key Performance Indicators KPI L Alarm LA LACT Lease Auto Custody Transfer Level Alarm (High) LAH LAHH Level Alarm High for Level Above LAH Level Alarm (Low) LAHL LAHL Alarm (High/Low) Alarm Low for Level Above LAL LALL LAN Local area network Level Controller LC LCD Liquid crystal display Controller Valve LCV LEL Lower explosive limit Lower flammable limit LFL LG Level Gauge Level Indicator LI LIC Indicator Controller Level Indicator Transmitter LIT LLH Liquid Level (High) Liquid Level (Low) LLL LLN Liquid (Normal) Lock Open LO
IP-PBX Internet Protocol-based private branch exchange voice switch IPS Instrumented Protective System IR Infrared IS Intrinsically safe ISA International Society of Automation ISC In stream components ISF Induced Static Flotation ISO International Organization for Standardization ISP Internet service provider IT Information technology ITU-T International Telecommunications Union – Telecommunications (standards) J JB Junction box K KI Clock/Timer KO Knock Out KPI Key Performance Indicators L LA Alarm LACT Lease Auto Custody Transfer LAH Level Alarm (High) LAHH Level Alarm High for Level Above LAH LAHL Level Alarm (Low) LAHL Alarm (High/Low) LALL Alarm Low for Level Above LAL LAN Local area network LC Level Controller LCD Liquid crystal display LCV Controller Valve LEL Lower explosive limit LFL Lower flammable limit LG Level Gauge LI Level Indicator LIC Indicator Controller LIT Level Indicator Transmitter LLH Liquid Level (High) LLL Liquid Level (Low) LLN Liquid (Normal) LO Lock Open
oil_and_gas_acronyms.docx