an insulator

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# Clue Answer As Given Value Round Category Air Date Show
Rubber casings around copper wiring act as one of these retardants of electricity an insulator $1,000 J ELECTRICITY 2017-07-26 #7583
(Kelly of the Clue Crew reports from Texas A&M Disaster City in College Station, TX.) By itself, a downed transformer is dangerous, but branches that touch one can be, too, as they could conduct electricity via sap or water; use rubber gloves that act in this capacity due to their low conductivity an insulator $800 J DISASTER CITY 2016-02-24 #7243
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