Which device is commonly used to remotely detonate an explosive?

The choice of a radio-controlled detonator as the device commonly used to remotely detonate an explosive is rooted in its design and functionality. This type of detonator operates through wireless communication, allowing an operator to initiate detonation from a safe distance, which is crucial for minimizing risk during explosive operations.

Radio-controlled detonators can be activated using a remote control or radio signal, giving operators greater flexibility, timing precision, and safety, especially in situations where proximity to the explosive is unsafe or impractical. This capability is particularly advantageous in environments with potential hazards or when conducting controlled demolitions and military operations.

Other devices, although used for specific purposes, do not serve the same remote activation function. Timer detonators may allow for a delay in detonation but do not provide the ability for real-time control at a distance. Manual pull triggers require physical presence and action, posing risks to the person activating the device. Electric igniters, while sometimes part of remote systems, generally require a physical connection to a power source and do not typically offer the wireless functionality that a radio-controlled detonator does. Thus, the radio-controlled detonator stands out as the primary choice for remote detonation in EOD scenarios.