unin - vari
- uninstall
- uninsulated
- uninsulated wire
- unintelligibility
- unintelligible cross talk
- unintentionally
- uninterrupted neutral
- uninterrupted rectangular wave
- uninterrupted tone
- uninterruptible power supply
- uninverted cross talk
- unionized
- uniplanar filament
- unipolar
- unipolar electrode system
- unipolar field effect transistor
- unipolar generator
- unipolar machine
- unipolar non-return-to-zero signal
- unipolar NRZ-signal
- unipolar operation
- unipolar return-to-zero signal
- unipolar RZ-signal
- unipolar signal
- unipolar transistor
- unipolarity
- uniselector
- uniselector relay
- uniselector with gold-plated contacts
- unisono
- unit
- unit absorber
- unit arc
- unit area
- unit automatic exchange
- unit auxiliaries
- unit auxiliary switchgear
- unit auxiliary transformer
- unit box principle
- unit cable
