What is defined as the voltage between a given conductor and a grounded point in grounded circuits?

The term that describes the voltage between a particular conductor and a grounded point in grounded circuits is known as "voltage to ground." This definition is significant in electrical engineering and the NEC because it helps assess the safety and functionality of electrical systems. When analyzing grounded circuits, understanding the voltage to ground is critical for evaluating potential shock hazards, ensuring the integrity of equipment, and confirming that the grounding system is properly designed.

Voltage drop pertains to the reduction in voltage in a circuit between the source and load due to resistance, which is a different concept focusing on how much voltage is lost rather than the absolute voltage referencing a ground. Line voltage generally refers to the voltage between two conductors in a multi-phase system and is not specific to ground reference. Phase voltage pertains to the voltage measured across a single phase to a neutral point, which is also not limited to the ground reference as required in the question.

Thus, identifying "voltage to ground" aligns perfectly with the requirement to define the voltage relative to a grounded reference point in electrical circuits.