Once he named his specific task, a specific answer could be given.
when his question was vauge in scope.. he got vauge answers.
what you characterize as alarmist, some of us just call worst possible scenerio, and plan accordingly. average situations are what usually happens.. however.. extremes also occur.. and when your only prepaired for average and recieve extreme, sometime problems occur.
I'm not going to be responsible for a smoked drill, smoked inverter, or smoked electrical system because I gave someone 'marginal' advice that only works during the bell curve!
with that thinking, you would only need 80% of the lifeboats or preservers on a water craft... that's fine for math on paper.. but didn't work out real well in worst possible case scenerios like the titanic....
soundguy