As a general rule, most devices must be tested on an annual basis with a visual inspection required semi-annually.
The requirements for testing and inspections are defined in NFPA 72 (National Fire Alarm Code). Check with your local AHJ (Authority Having Jurisdiction) for local requirements.
Quito - Ecuador
Showroom: Av. América N17-207 and Santiago
Miguel de Santiago Building Of. 5
Telefax: 02 222-9444 / Cel: 0987178263
Office:: Salinas N17-246 and Santiago, Jácome Building Of. 101
Email: info@ecuatepi.com
Panamá
East 53RD Street, Marbella, MMG Tower, 2ND Floor