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You are here: home->amp->I01->I.8.3.2.4.A.1
8324
Why does one type of Fenwal fire detection system use spot detectors wired in parallel between two separate circuits?
| | A) So that a single fault may exist in the system without sounding a false alarm |
| | B) So that a double fault may exist in the system without sounding a false alarm. |
| | C) To provide an installation that is equal to two separate systems: a primary system and a secondary, or back-up system. |
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