角:插头或连接器允许退出连接软线成直角。耐腐蚀:插头或连接器构造特殊材料和/或适当的电镀金属部分,目的是抵御腐蚀性环境。耐腐蚀设备必须通过ASTM B117-13五百小时盐雾(雾)测试没有可见的腐蚀。防尘:插头或连接器设计的灰尘不会干扰其操作。IP适宜性等级指定程度的保护装置提供对异物的进入。(例如IP20)。防爆:插头或连接器构造满足危险地点的要求由国家电气规范,定义nfpa - 70。医院等级:插头或连接器设计用于满足high-abuse区域的性能需求通常在卫生保健设施中找到。这些插头测试医院等级要求保险商实验室公司的标准498。锁:用于锁插入插头时匹配的连接器或插座配置在顺时针方向旋转。 The plug can only be removed by turning in a counter-clockwise direction.; Midget: A plug or connector designed with a smaller body diameter than standard plugs with a similar rating.; Moulded-on: A plug or connector that is factory moulded to a length of flexible cord.; Pin & Sleeve connector: A connector with hollow, cylindrical sleeve-type contacts.; Straight Blade: A non-locking plug that is inserted at a right angle to the plane of the matching device face.; Weatherproof: A plug or connector specially constructed so that exposure to weather will not interfere with its operation.