Ace the Elevator Mechanic Exam 2025 – Rise to the Challenge and Elevate Your Career!

Question: 1 / 400

What does a square with a darkened lower triangle represent?

AC Relay

DC Relay

Latching Relay

A square with a darkened lower triangle represents a latching relay. This type of relay has two stable states, requiring a pulse or change in input to switch between them. Option A, AC Relay, is incorrect because a square with a darkened lower triangle specifically represents a latching relay and not just any type of AC relay. Option B, DC Relay, is also incorrect because a square with a darkened lower triangle specifically represents a latching relay and not just any type of DC relay. Option D, Timer, is incorrect because a square with a darkened lower triangle is a symbol for latching relay, not a timer.

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Timer

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