Section 7 – Short-Circuit Isolator Integration – Quick Test

Typically, what colour LED is used in all ESP devices to indicate an active SCI?

Green

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Red

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Amber

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White

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What is the main function of a Short-Circuit Isolator?

To enable the flow of loop power and data to continue when a short-circuit of the loop occurs

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To provide a visual indication of a short-circuit

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To protect fire detection loops from losing all devices due to a short-circuit, as per the recommendations of BS 5839-1

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All of the above

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How many terminals does an ESP Sensor with an integrated SCI have?

2

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3

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4

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