Which of the following is NOT typically considered a common control device used to operate a gate away from the building?

• A. Remote control
• B. Weather sensor
• C. Keypad reader
• D. Intercom

Answer: (B)

The ability to operate a gate from a distance relies on devices that let a person input authorization or communicate with the gate operator. Remote controls are a common handheld way to send a signal from far away to open or close the gate. A keypad reader is another standard method, where someone enters a code at the gate to gain access. An intercom provides a way to speak with someone at the gate and authorize entry remotely, often triggering the gate release after verification.

A weather sensor, while useful for automation decisions and safety, serves as a sensing element rather than a user-initiated control. It gathers environmental data to influence how the system behaves, but it isn’t typically used directly to operate the gate from away from the building. Therefore, it’s not considered a common control device for gate operation.