Reno A&E BXC-4 12/24 Loop Detector
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Product review & video
in this video we're going to talk about spot detection systems and an example might be the fenwall uh spot detection system and and how it is wired in in a loop so whatever with a spot detection system you can have a detector that might have say two different metals so might be bi-metallic each would have different coefficients of expansion so if there was a fire one of them would expand more than the other and it would cause them to bend up and then the two contacts would close alternatively you know you could have the case is made from one metal and you know some different metal in here in between so when the the case heats up it might expand more than the metal and as it expands it gets smaller and you can close a switch also so they can be the the detectors um what we're looking at here is how they might be connected up in a loop so in this section we have two loops we have a loop a
