下面有十张典型违规用电图, 大家能找到哪些违规的地方吗?

答案 公布
1、配电箱内主线混乱,有并联现象 2、分闸一闸多接 3、左侧接线不合理,不符合接线要求 4、接地线颜色不符合用地按要求,非PE线
参考标准:
GB50484- 4.4.4用电设备应执行“一机一闸一保护”控制保护的规定。严禁一个开关控制两台(条)及以上用电设备(线路)

答案 公布
1、无防雨措施,缺少配电箱,直接放在地面 2、不符合一机一闸一保护要求 3、刀闸不符合安全用电要求,主要原因铜片部分露在外面 4、右侧刀闸缺少保护罩,左侧刀闸接线不符合规范要求 5、接线无主开关 6、配电盘的绝缘板非电木板 7、无PE线连接点 8、整体配电盘不符合要求,属报废性质
参考标准:
GB50484-4.4.2分配电箱应装设总隔离电器、总断路器和分路隔离电器、分路漏电断路器。 4.4.9其外形结构应能防雨。4.4.4用电设备应执行“一机一闸一保护”控制保护的规定。 根据GB 50054-1995的规定,刀闸存有铜芯外露,不得在工业上使用。

答案 公布 1、电缆线为架设离地面或者埋地保护 2、PE线使用附加线,拖拉电缆线时强度不够
参考标准:
GB50484-4.3.8电缆穿越道路时应采用坚固的保护管,管径不得小于电缆外径的1.5倍,管口应密封。 4.3.4电缆线路不得沿地面直接敷设,不得浸泡在水中。

答案 公布
1、电缆线未加过路防护 2、钢板压在电缆线上 3、基坑无防护 参考标准:
GB50484-4.3.8电缆穿越道路时应采用坚固的保护管,管径不得小于电缆外径的1.5倍,管口应密封。 4.3.4电缆线路不得沿地面直接敷设,不得浸泡在水中。

答案 公布
1、电缆线使用铁丝固定
2、电缆线和钢结构在一起无隔离措施 3、电缆线直接在钢梁上铺设 参考标准:
GB50484-4.3.5电缆与支架之间应采用绝缘物可靠隔离,绑扎线应采用绝缘线。

答案 公布
1、电机缺少防雨罩,无绝缘措施 2、三条相线直接和电机线绕在一起,固定不牢 3、无外壳接地 参考标准:
GB50484-4.3.9电缆接头应进行绝缘包扎,并应采取防雨和保护措施。电缆接头不得设置于地下。

答案 公布
1、配电箱门板损坏
2、主漏保缺少隔离开关 3、分漏保缺少隔离开关 4、使用民用插座插头 5、主漏保一闸多接 6、PE线未接 7、主漏保未控制分漏保 8、电源线不能从箱门口进入 参考标准:
GB50484-4.4.2分配电箱应装设总隔离电器、总断路器和分路隔离电器、分路漏电断路器。 4.4.9其外形结构应能防雨。4.4.4用电设备应执行“一机一闸一保护”控制保护的规定。严禁一个开关控制两台(条)及以上用电设备(线路)。

答案 公布 1、电焊机接地线未固定 2、使用螺纹钢做接地极 3、焊机一次线外皮破损 4、接地线非PE线 参考标准:
GB50484-4.5.14 垂直接地体应采用角钢、钢管或圆钢。接地线与垂直接地体连接方法可采用焊接、压接或螺栓连接,螺栓连接应用镀锌螺栓并有镀锌平垫及弹簧垫,螺栓不得埋入地面下。 接地极参考标准:JGJ46-5.3.4。

答案 公布 1、电源线直接和碘钨灯管接在一起 2、草坪灯使用铁丝固定在角钢上,无绝缘措施 参考标准:
JGJ46-10.3.5碘钨灯及钠、铊、铟等金属卤化物灯具的安装高度宜在3m以上,灯线应固定在接线柱上,不得靠近灯具表面。

答案 公布 1、使用民用插盘 2、插线盘缺少漏电保护器 3、民用插盘有触电的火花斑迹 4、以上图片的用电插盘不适用于施工现场 参考标准:
GB50484-4.1.9临时用电设备应进行检查和试验,确认合格并标识后方可使用。
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