power-downrules
nounUK /ˈpaʊə daʊn ruːlz/
US /ˈpaʊər daʊn ruːlz/
Rules that tell you how to turn off a machine safely.
Before leaving the lab, read the power-downrules on the wall.
RELATED WORDS
OTHER MEANINGS
2. Steps for safely stopping a computer or device.
The power-downrules say to save your work first.
3. Instructions for switching off equipment in an emergency.
Follow the power-downrules if the alarm sounds.
4. A set of rules for cutting power to a system.
The engineer checked the power-downrules before the repair.