Also known as Security. This LED can only activate if there is a secondary device hooked into the Priority 2 Alarm terminals. This secondary device could be a security system, building management system, or another fire alarm control panel. Depending on how the panel is programmed, the panel's alarms may or may not activate when a condition like this is present.
Here, the westbound North American plate overrides the Pacific plate, creating the highly faulted and folded ranges from the Rockies to the Coast Mountains. Canada rides on one of 30 or so tectonic plates, or slabs, which underlie the earthâs continents and oceans.
23 Chert is a type of rock in the oceanic crust that formed from silica shells of microscopic organisms deposited on the deep ocean floor. Chert is present throughout California, but especially in the Coast Ranges and the Sierra Nevada. 24 Two blocks of granitic rock, known as the Salinian Block of the Coast Ranges, more closely resemble rocks of the Sierra Nevada rather than most of the rocks making up most of the Coast Ranges. One block lies between the Nacimiento and San Andreas Fault Zones in the southern Coast Ranges and west of the San Andreas Fault in the northern Coast Ranges, suggesting large displacement along the San Andreas and Nacimiento Faults.