Back when I could still hear it, I used a continuity tester with a buzzer incorporated into the unit. Now I'd need a siren! I've been around too many race cars, jet engines, and high-powered rifles over the past 50 years!
Jerry

"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway
Love your enemies and drive 'em nuts!