描述
用电仪表的外壳、仪表盘、柜、箱、盒和电缆槽、保护管、支架、底座等正常不带电的金属部分,由于绝缘破坏而有可能带危险电压者,均应做保护接地。对于供电电压不高于36V的就地仪表、开关等,当设计文件无特殊要求时,可不做保护接地。
JOHNSON CONTROLS METASYS EN-BSF101-0 W/ NU-PWR101-700
SPECTRA PHYSICS MODEL H.A.P.S. LASER CONTROLLER
CREST ULTRASONICS CORP ULTRASONIC CLEANER W/ GENERATORS
NEW NOR-CAL PNEUMATIC GATE VALVE GVP-2502 ISO
NYAD 160 MA160B PORTABLE HYGROMETER MOISTURE ANALYZER
SPECTROLINE XX-15NF X SERIES ULTRAVIOLET UV LAMP
VEXTA BLD120A-MK BRUSHLESS DC MOTOR DRIVER