What must happen to a transmitter box to avoid injury to personnel working in the vicinity of a remote control crane that is not in use?

What must happen to a transmitter box to avoid injury to personnel working in the vicinity of a remote control crane that is not in use?

• A. Antenna handle blocked open
• B. Box placed in a secure location
• C. Operator must carry box at all times
• D. None of the above

Answer: (B)

Preventing accidental crane movement when the remote control isn’t in use is the key safety concern. Placing the transmitter box in a secure location ensures it cannot be accessed or activated accidentally, which protects workers nearby from unexpected crane motions. It also clearly indicates the crane is not in operation. The other options don’t reliably achieve that protection: blocking the antenna handle doesn’t guarantee the transmitter is turned off or secured, carrying the box at all times is impractical and still leaves the crane vulnerable to unintended use, and “none of the above” isn’t the safer, standard practice.

Preventing accidental crane movement when the remote control isn’t in use is the key safety concern. Placing the transmitter box in a secure location ensures it cannot be accessed or activated accidentally, which protects workers nearby from unexpected crane motions. It also clearly indicates the crane is not in operation. The other options don’t reliably achieve that protection: blocking the antenna handle doesn’t guarantee the transmitter is turned off or secured, carrying the box at all times is impractical and still leaves the crane vulnerable to unintended use, and “none of the above” isn’t the safer, standard practice.