California Alarm Company Operator Licensing Practice Exam

If more than ____ visible notification appliances will exist in any field of view, they must flash in synchronization

1 3 2 4

Correct Answer:

Explanation:

Visible notification appliances need to flash in unison when several are visible to one occupant, so the alert is clear and not confusing. The rule uses a threshold of three or more devices in the same field of view, which means that if you have three or more, they must flash together. This synchronization helps ensure a consistent visual signal, reduces potential interpretation errors, and supports accessibility for people who rely on flashing lights. Therefore, the blank is filled with two, because the synchronization requirement kicks in only when more than two devices are present.

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