答:不一定。根据IEC标准规定,“等电位联结”与“接地”是两种完全独立的电气安全性和功能性措施。一般情况下,“接地”是指在大地上做等电位联结,而建筑物内做了等电位联结往往同时也实现了有效的接地。但这并不是说“等电位联结”必须接地才能起到应有的作用。根据IEC标准中有一种电气安全措施为“不接地的 A: Not necessarily. According to the IEC standard, ”equipotential bonding“ and ”grounding“ are two completely independent electrical safety and functional measures. Under normal circumstances, ”grounding “ refers to the earth to do equipotential bonding, and the building made the equipotential bonding is often also achieved an effective grounding. But this does not mean that ”equipotential bonding “ must be grounded to play its due role. According to the IEC standard, there is an electrical safety measure ”not ungrounded."