Twice in the ten or so years I have been back gigging. First time, total failure of an early Yamaha class D job, ended up playing quietly through a Peavey guitar amp to get through the set. Second time, just a week ago, was on a small tour and the IEC from my main amp got cleared up, probably by the PA guys. Problem is, it is a Fender Pro 800, with an unusual, high power IEC, not the standard. Didn't have a spare IEC but did have my Carvin as a back up (oh, and then went and bought a Genzler so had a back up to the back up - my excuse and I'm sticking to it) 😎