防爆燈無需接地線即可點亮, 但這種設定不符合防爆電氣設備的安全接地標準.
確保安全, 保護地球 (聚乙烯醇) connection is affixed to the explosion-proof light’s casing. 如果發生洩漏, the current is designed to divert through this line to the ground, functioning akin to a neutral wire and providing a direct link to the light.