What is the minimum length required for a mobile x-ray machine's handheld exposure switch cord to reduce occupational exposure?

The minimum length required for a mobile x-ray machine's handheld exposure switch cord is 6 feet. This length is established to help reduce occupational exposure to radiation for healthcare workers and personnel operating the equipment. The rationale behind this requirement is to ensure that the operator remains at a safe distance from the x-ray beam during the exposure, thereby minimizing their potential exposure to ionizing radiation.

When the handheld switch cord is shorter than this established minimum, the operator may inadvertently need to position themselves closer to the x-ray tube, which increases their risk of exposure. A 6-foot cord allows for enough distance to ensure that the operator can remain behind a protective barrier or at a safe distance while still being able to control the x-ray machine effectively. This practice is part of radiation safety measures designed to protect personnel in medical imaging environments.