What does 'energized' specifically refer to in electrical terminology?

In electrical terminology, the term 'energized' specifically refers to equipment, circuits, or systems that are actively powered and have voltage present. Option B is correct because it emphasizes that energized equipment is not only connected to an electrical source but is also operational, meaning it is capable of conducting electricity and performing its intended function.

An energized state indicates that the equipment is not merely plugged in or connected but is also receiving power and is therefore potentially dangerous if proper precautions are not taken. Understanding what it means for equipment to be energized is critical for safety practices, especially when working with or near electrical systems. This knowledge helps professionals assess risks and implement necessary safety measures to avoid electrical shock or other hazards.

In contrast, the other choices do not accurately define 'energized.' Grounded circuits (the first option) may not necessarily be powered, active voltage sources (the third option) are related to energized equipment but do not fully capture the broader meaning, and inactive systems ready for use (the fourth option) imply that the systems are not currently powered, which contradicts the definition of 'energized.'