Which HERO classification indicates that an item may explode if exposed to electromagnetic radiation?

The classification that indicates an item may explode if exposed to electromagnetic radiation is HERO unsafe. In the context of electrical explosives safety, HERO stands for "Hazards of Electromagnetic Radiation to Ordnance." When an item is designated as HERO unsafe, it means that the item is susceptible to unintended detonation or activation when exposed to certain types of electromagnetic radiation. This classification is critical for ensuring the safety of personnel and equipment during operations involving such ordnance.

Understanding this classification is essential in preventing hazardous situations, particularly in settings where numerous electronic devices or signals may be present. It emphasizes the need for caution and appropriate measures in handling and transporting munitions that could be at risk of being triggered by electromagnetic sources. Other classifications, like HERO safe, HERO restricted, and HERO compliant, describe different safety profiles and levels of interaction with electromagnetic radiation, but they do not signify the same risk level as HERO unsafe.