Y3.05

Protection against inadvertent operation

Cards in this group · 3

  1. Y3.05.1A critical control needs its own barrier so a casual touch and a real command take different paths
  2. Y3.05.2How hard a control should be to trigger by accident should scale with what happens if it fires
  3. Y3.05.3A safeguard meant to prevent accidents must not also delay a genuine emergency response