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【多选题】
根据《变电站接地网验收规范》避雷针的接地应检查满足以下要求（）
A.
独立避雷针不在人经常通行的地方，避雷针及其接地装置与道路或出入口等的距离不宜小于3m
B.
独立避雷针宜设独立的接地装置，当其接地电阻小于10Ω有困难时，该接地装置可与主接地网连接，但避雷针与主接地网的底下连接点至35kV及以下设备与主接地网的地中连接点之间，沿接地体的长度不得小于15米
C.
装在避雷针和避雷线的构架上的照明灯电源线，必须采用直埋于土壤中的带金属护层的电缆或穿入金属管的导线，金属护层或金属管必须接地埋入土壤中的长度应在10米以上，与配电装置的接地网相连或与电源线、低压配电装置相连
D.
避雷针的高度应不少于50米
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