Smoke Detector Alarm Review: Hard Wire Type

With many smoke detector alarms available on the market, the most traditional type is the hard-wire smoke alarms. They are the most basic type and runs on your home’s main power supply (110V or 220V). 

With hard-wired smoke detector, the power comes from the mains power connection. A definite advantage is the certainty of electrical power and does not need to worry about faulty batteries. When smoke is detected, the smoke alarm will sound indefinitely until it is turned off. But because it is connected to the power supply, power needs to be turned off first before conducting any maintenance work. 

Another advantage is the interconnection of smoke alarms in an area. Wiring could connect from one smoke alarm to another smoke alarm in different areas and warn another of impending smoke or danger, no matter how far apart they are. With battery-operated smoke alarm, such immediate warning is not possible except for wireless interlink type. 

Having said that, over the years much advancement have been made in battery-operated smoke detectors that made it less ideal to use hard-wire type smoke detectors for every scenario. With hard wired alarms, consumers would require basic background knowledge of electricity in order to wire the alarm properly onto the mains power. The process of having to hide wires or keep wires from dangling also made wire-type alarms less appealing. Battery-operated smoke could solve this problem with intuitive instruction usage that could be installed by a novice. 

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