Collocations for appliance - noun

modern
energy-efficient
faulty (esp. BrE)
electric, electrical, electronic, gas
cooking, heating
combustion (AmE)
Turn off all combustion appliances such as water heaters.

domestic, home, household, kitchen
stainless-steel
major
All major appliances such as refrigerators must have an energy guide label.

surgical (BrE)

switch on, turn on
switch off, turn off
Always switch off appliances that are not in use.

plug in, unplug
run, use
Many household appliances are expensive to run.