Published on September 16, 2018 · Last Updated on July 7, 2022
ALT Codes for Electrotechnical & Power Symbols. Below is the complete list of Windows ALT key numeric pad codes for electrotechnical & power symbols, their corresponding HTML entity numeric character references and, when available, their corresponding HTML entity named character references. If you are new to ALT codes and need detailed instructions on how to use them, please read How to Use ALT Codes to Enter Special Characters.
| Symbol | ALT Code | ALT X Code | Symbol Name | HTML Entity DEC | HTML Entity HEX | HTML Entity Named | Unicode Code Point |
|---|---|---|---|---|---|---|---|
| ⏚ | ALT 9178 | 23DA ALT X | Earth ground | ⏚ | ⏚ | U+23DA | |
| ⏛ | ALT 9179 | 23DB ALT X | Fuse | ⏛ | ⏛ | U+23DB | |
| ⎐ | ALT 9104 | 2390 ALT X | Open-circuit-output l-type symbol | ⎐ | ⎐ | U+2390 | |
| ⎑ | ALT 9105 | 2391 ALT X | Passive-pull-down-output symbol | ⎑ | ⎑ | U+2391 | |
| ⎒ | ALT 9106 | 2392 ALT X | Passive-pull-up-output symbol | ⎒ | ⎒ | U+2392 | |
| ⎓ | ALT 9107 | 2393 ALT X | Direct current symbol form two | ⎓ | ⎓ | U+2393 | |
| ⎔ | ALT 9108 | 2394 ALT X | Software-function symbol | ⎔ | ⎔ | U+2394 | |
| ⎍ | ALT 9101 | 238D ALT X | Monostable symbol | ⎍ | ⎍ | U+238D | |
| ⎎ | ALT 9102 | 238E ALT X | Hysteresis symbol | ⎎ | ⎎ | U+238E | |
| ⎏ | ALT 9103 | 238F ALT X | Open-circuit-output h-type symbol | ⎏ | ⎏ | U+238F | |
| ⏾ | ALT 9214 | 23FE ALT X | Power sleep symbol | ⏾ | ⏾ | U+23FE | |
| ⏻ | ALT 9211 | 23FB ALT X | Power symbol | ⏻ | ⏻ | U+23FB | |
| ⏼ | ALT 9212 | 23FC ALT X | Power on-off symbol | ⏼ | ⏼ | U+23FC | |
| ⏽ | ALT 9213 | 23FD ALT X | Power on symbol | ⏽ | ⏽ | U+23FD |
See more symbol sets for popular ALT codes at ALT Codes for Miscellaneous Symbols.
For the the complete list of the first 256 Windows ALT Codes, visit Windows ALT Codes for Special Characters & Symbols.
