标题: 恶劣条件下使用的灯具怎么理解和区分？ [打印本页] 作者: magebao 时间: 2012-1-25 01:42 标题: 恶劣条件下使用的灯具怎么理解和区分？ rough service luminaire
luminaire designed to withstand severe mechanical handling
NOTE 1 The luminaire may:
– be permanently fixed, or
– be temporarily fixed on a construction or stand, or
– incorporate an integral stand or handle.
NOTE 2 Such luminaires are for use where normally rough circumstances occur, or where temporary lighting is
required, for example on building sites, engineering workshops and similar applications