| NOUN | artifact | wiper arm, wiper, contact arm | contact consisting of a conducting arm that rotates over a series of fixed contacts and comes to rest on an outlet |
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| Meaning | contact consisting of a conducting arm that rotates over a series of fixed contacts and comes to rest on an outlet. | |
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| Synonyms | wiper, contact arm | |
| Part of | rheostat, variable resistor | resistor for regulating current |
| selector, selector switch | A switch that is used to select among alternatives | |
| Broader | contact, tangency | (electronics) a junction where things (as two electrical conductors / conductors) touch or are in physical contact |