Answer :
Final answer:
For visible signaling appliances, the Flash rate shall not exceed 2 flashes per second or be less then 1 flash per second throughout the listed voltage range of the client.
The correct answer is b) 2 flashes per second - 1 flash per second
Explanation:
The correct flash rate for visible signaling appliances is 2 flashes per second - 1 flash per second to maintain safety and effectiveness in signaling.
Throughout the listed voltage range, the flash rate should not exceed 2 flashes per second or be less than 1 flash per second to adhere to safety standards and ensure effective signaling.
Choosing an appropriate flash rate is essential for maintaining visibility and conveying important information in various settings.
Conclusion: Adhering to specified flash rate requirements is crucial to ensure the effectiveness and safety of visible signaling appliances.
The correct answer is b) 2 flashes per second - 1 flash per second.