If your home has been prewired for a security system, a hardwired option may be a better choice since the system will be easy to install. If you already know which provider installed the equipment, activating your system is simple—all that’s required is a phone call and maybe a tech visit to update the control panel. If you’d rather go with a different provider, installing and updating the system ought to be as straightforward as programming a new number into the control panel. In some cases, a converter or even a new control panel may be necessary, but as long as the wiring itself hasn’t been damaged, all the existing sensors should work with any provider’s equipment—all hardwired systems contain essentially the same technology.