IPA: /ˈaɪsəˌleɪtə/
KK: /ˈaɪsəˌleɪtər/
A device used to separate or isolate electrical circuits to prevent short circuits or other issues.
The technician installed an isolator to ensure safety in the electrical system.
Isolator → It is formed from "insula" (meaning island) and the suffix "-tor" (meaning one who). The word "isolator" refers to one who creates an island or separation, effectively isolating something or someone.
Think of someone creating an 'island' ('insula') to keep things apart — that's why an isolator is someone who isolates.