Originally Posted by
the coyote
The electrical fire/smoke checklist calls for switching GEN1 and GEN2 off and then BATTERY MAIN off. If you mistakenly switch off BATTERY MASTER instead of BATTERY MAIN at this point (and they are right next to each other) you will lose all electrical power and instruments.
This reminds me of the "Which button gets me a latte?" movie scene (Monsters vs Aliens). Precarious....