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.
Series: Physiographic Provinces. Cascade-Sierra Mountains. This region is one of the youngest and most tectonically active in North America. There is ongoing mountain-building in this area which you can see by the rugged and mountainous landscape that extends from Alaska to South America. The Cascade-Sierra Mountains and Pacific Border provinces straddle the boundaries between several of Earth's moving plates.