"A",
"B",
"C",
"D",
"E",
"F",
"G",
"H",
"I",
"J",
"K",
"L",
"M",
"N",
"O",
"P",
"Q",
"R",
"S",
"T",
"U",
"V",
"W",
"X",
"Y",
"Z"
'Ia' to 'Ie', 'If' to 'Io', 'Ip' to 'Iz'
| IA | - | International Alphabet [CCITT] |
| I2C | - | Inter IC [IIC Interface Bus] |
| IAEI | - | International Association of Electrical Inspectors |
| I&C | - | installation and checkout |
| IBA | - | Intermediate Bus Architecture [IBA Definition] |
| IBIS | - | I/O Buffer Information Specification |
| IBIT | - | Initiated BIT |
| IC | - | integrated circuit [IC Manufacturers] |
| ICE | - | In-Circuit Emulation [Emulator Manufacturers] |
| ICI | - | incoming call identification |
| ICM | - | Integrated Connector Module [Telcom] |
| ICMB | - | Intelligent Chassis Management Bus [ICMB Description] |
| ICW | - | interrupted continuous wave |
| ID | - | Identification |
| IDC | - | Insulation Displacement Connection [IDC definition] |
| IDDD | - | International Direct Distance Dialing |
| IDE | - | Integrated Drive Electronics [Hard Drive] |
| IDEMA | - | International Disk Drive Equipment Materials Association |
| IDF | - | intermediate distribution frame |
| IDN | - | integrated digital network |
| IDTV | - | Improved-Definition Television |
| IDTV | - | Integrated Digital Televisions |
| IEC | - | International Electrotechnical Commission |
| IEC | - | International Engineering Consortium |
| IEEE | - | Institute of Electrical and Electronics Engineers |
| IES | - | Industry Executive Subcommittee |
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Next set of "I" Abbreviations and Acronyms
