Hard-wired Home Security Systems-Intruder Alarm | Burglar Alarm
Hard-wired Intruder Alarm Systems use wires installed inside the walls, attics, crawl spaces, and underground to connect the sensors to a central controller. A hard-wired system design normally uses power from the home AC power wiring as the primary source. A rechargeable battery pack is used by the controller for backup during power outages. The main components of a hard-wired system are similar to a wireless system but without the radio receiver and transmitter components.
They include a central control panel, sensors, one or more keypads, motion detectors, smoke and fire sensors and sirens. The advantages for a hard-wired security system are
- Hard-wired security systems are considered by most contractors to be more reliable than wireless systems.
- Hard-wired systems are usually installed by a professional security system contractor with warranties and maintenance support.
- Hard-wired systems avoid the problem of EMI and radio range limitations inherent in some wireless security systems.
- The hard-wired components are usually less visible and more aesthetically pleasing than wireless components.
- Hard-wired systems do not depend on batteries except for power failure backup protection.
The disadvantages of a hard-wired security system are
- Hard-wired systems are more expensive than wireless systems.
- Hard-wired systems are usually leased from the company that installs the system. Unlike a wireless system, the hard-wired system remains an integral part of the home. The components are not capable of being moved to another home when the owner relocates.
- Problems can arise in the installation of sensors in existing homes where some areas are not accessible for pulling wires inside the walls.
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