How often should safety equipment be recalibrated or tested?

The correct choice emphasizes the importance of following manufacturer’s specifications or regulatory mandates for the recalibration or testing of safety equipment. This is vital because manufacturers provide guidelines based on thorough testing and industry standards to ensure that the equipment functions effectively and safely over time. Regulations are established by governing bodies to ensure safety in work environments, and compliance with these regulations is critical for protecting workers and maintaining operational integrity.

Recalibrating or testing safety equipment according to these established criteria not only helps in maintaining its reliability but also ensures that it meets the necessary safety standards required for use in specific working conditions. Utilizing outdated or improperly maintained equipment can lead to malfunctions, which could result in serious accidents or injuries.

The other options do not provide a systematic or reliable approach to ensuring safety. Relying on infrequent recalibration, subjective judgments from workers, or waiting until after an incident increases the risk of malfunction and does not uphold the safety standards necessary for a secure working environment.