What is a hardwired smoke detector?
A smoke detector is an alarm that is triggered by the presence of smoke. Hardwired smoke detectors are connected into the structures electrical wiring, as opposed to battery-operated smoke detectors.
### Instruction: What is a hardwired smoke detector?
### Context: 
### Answer: A smoke detector is an alarm that is triggered by the presence of smoke. Hardwired smoke detectors are connected into the structures electrical wiring, as opposed to battery-operated smoke detectors.</s>