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。
PELCO SD418-F1-X Indoor Colour/Monochrome Camera New
PELCO SD418-PGE1-X Pendant Mount Day/Night Outdoor PTZ
SIEMENS SIMODRIVE 6SN1123-1AB00-0BA1 6SN1118-1NH01-0AA0
Used Thrane & Thrane TT-3022D 403022D & TT-3005M Antena
SHIMADEN PAC 36 PAC36P415 THYRISTOR Power Regulator new
Anspach xMax Arthroscopy Drill Refurbished
NORTEL UPPER COOLING UNIT Assembly NTHR52AB new spare
Lot 1500 RICOH PC card controller R5C554-CSP277 $0.8/pc