从配电箱走3个回路220v的照明用电，3个回路得零线可以都接在一起嘛？配 有3个220V的照明回路 每个回路的负荷是5KW 现在准备接...
\u5728220V\u4ea4\u6d41\u7535\u8def\u4e2d\uff0c\u7167\u660e\u914d\u7535\u7bb1\u91cc\u591a\u4e2a\u56de\u8def\u7a7a\u5f00\u53ef\u4ee5\u5171\u7528\u4e00\u6839\u96f6\u7ebf\u5417\uff1f\u65ad\u8def\u5668\u6216\u6f0f\u4fdd\u505a\u7bb1\u91cc\u603b\u95f8\u4e24\u79cd\u60c5\u51b5\u8bf4\u660e\uff01\u5728\u7167\u660e\u63a7\u5236\u7bb1\u4e2d\uff0c\u603b\u95f8\u75282P\u7684\u65ad\u8def\u5668\uff0c\u5404\u652f\u8def\u75281P\u65ad\u8def\u5668\u63a7\u5236\uff0c\u90a3\u4e48\u5404\u652f\u8def\u7684\u96f6\u7ebf\u5b8c\u5168\u53ef\u4ee5\u516c\u7528\u4e00\u6839\u3002\u8fd9\u79cd\u505a\u6cd5\u5546\u573a\uff0c\u9152\u5e97\uff0c\u6d74\u5ba4\u91cc\u7167\u660e\u7535\u8def\u6700\u5e38\u7528\u3002\u5982\u679c\u9009\u62e9\u6f0f\u4fdd\u505a\u603b\u95f8\uff0c\u5404\u652f\u8def\u4ecd\u7136\u91c7\u75281P\u7684\u65ad\u8def\u5668\u63a7\u5236\uff0c\u90a3\u4e48\u5404\u652f\u8def\u7684\u96f6\u7ebf\u4ecd\u7136\u53ef\u4ee5\u516c\u7528\u4e00\u6839\uff0c\u533a\u522b\u662f\u91c7\u7528\u6f0f\u7535\u5f00\u5173\u63a7\u5236\u6bd4\u91c7\u7528\u65ad\u8def\u5668\u63a7\u5236\uff0c\u589e\u52a0\u4e86\u5b89\u5168\u6027\uff0c\u5982\u679c\u53d1\u751f\u4e86\u5355\u76f8\u89e6\u7535\u4e8b\u6545\uff0c\u6f0f\u7535\u65ad\u8def\u5668\u4f1a\u52a8\u4f5c\uff0c\u800c\u65ad\u8def\u5668\u5219\u4e0d\u4f1a\u8df3\u95f8\uff0c\u56e0\u4e3a\u65ad\u8def\u5668\u5bf9\u89e6\u7535\u5f15\u8d77\u7684\u4e8b\u6545\u4e0d\u80fd\u8fdb\u884c\u4fdd\u62a4\u3002\u5982\u679c\u7bb1\u91cc\u6709\u65ad\u8def\u5668\uff0c\u4e5f\u6709\u6f0f\u7535\u4fdd\u62a4\u65ad\u8def\u5668\uff0c\u90a3\u63a5\u7ebf\u65f6\u5c31\u8981\u6ce8\u610f\u4e86\uff0c\u6f0f\u7535\u4fdd\u62a4\u65ad\u8def\u5668\u8d1f\u8f7d\u4fa7\u7684\u96f6\u7ebf\uff0c\u53eb\u5de5\u4f5c\u96f6\u7ebf\uff0c\u4e0d\u80fd\u63a5\u5730\uff0c\u4e0d\u80fd\u548c\u5176\u5b83\u56de\u8def\u7684\u96f6\u7ebf\u8fde\u5728\u4e00\u8d77\uff0c\u5176\u5b83\u56de\u8def\u4e5f\u4e0d\u80fd\u501f\u6f0f\u7535\u4fdd\u62a4\u5668\u8d1f\u8f7d\u4fa7\u7684\u96f6\u7ebf\u7528\uff0c\u53ea\u80fd\u505a\u4e3a\u672c\u56de\u8def\u7684\u5de5\u4f5c\u96f6\u7ebf\u7528\u3002\u6211\u89c9\u5f97\u8fd9\u624d\u662f\u4f60\u8981\u95ee\u7684\u91cd\u70b9\uff0c\u5982\u679c\u8fd8\u4e0d\u660e\u767d\u7ee7\u7eed\u8865\u5145\u95ee\u9898\u3002
\u8fd9\u4e2a\u6f0f\u7535\u4fdd\u62a4\u5668\u5e94\u8be5\u662f\u56db\u6781\u7684\uff1aA,B,C,N\u3002A-B,B-C,C-A\u6bcf\u4e24\u4e2a\u76f8\u4e4b\u95f4\u7684\u7535\u538b\u662f380V;\u5373\u7ebf\u7535\u538b\uff1b
A-N \u63a55KW\uff0c\uff08220V\uff09
B-N \u63a55KW\uff0c\uff08220V\uff09
C-N \u63a55KW\uff0c\uff08220V\uff09
\u6240\u4ee5\uff0c\u8fd9\u53f0\u6f0f\u7535\u4fdd\u62a4\u5668\u6240\u63a5\u7684\u603b\u8d1f\u8377\u662f\u4e09\u4e2a\u5355\u76f8\u8d1f\u8377\u7684\u603b\u548c\uff1a3*5\uff1d15KW.\u3002
串联在一起可以使用，不然很占地方，没有地方布线
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