{"id":4395,"date":"2024-02-29T09:47:15","date_gmt":"2024-02-29T15:47:15","guid":{"rendered":"https:\/\/www.dreiym.com\/?p=4395"},"modified":"2025-09-24T14:13:40","modified_gmt":"2025-09-24T20:13:40","slug":"%e9%93%81%e8%8a%af%e6%8e%a5%e5%9c%b0%e6%98%af%e4%b8%80%e7%a7%8d%e7%bb%8f%e6%b5%8e%e3%80%81%e5%8f%af%e9%9d%a0%e7%9a%84%e7%94%b5%e6%b0%94%e5%ae%89%e5%85%a8%e6%96%b9%e6%b3%95","status":"publish","type":"post","link":"https:\/\/vm6fr4whzn6.c.updraftclone.com\/zh_hk\/2024\/02\/29\/%e9%93%81%e8%8a%af%e6%8e%a5%e5%9c%b0%e6%98%af%e4%b8%80%e7%a7%8d%e7%bb%8f%e6%b5%8e%e3%80%81%e5%8f%af%e9%9d%a0%e7%9a%84%e7%94%b5%e6%b0%94%e5%ae%89%e5%85%a8%e6%96%b9%e6%b3%95\/","title":{"rendered":"Ufer \u63a5\u5730\uff1a\u7535\u6c14\u5b89\u5168\u7684\u53ef\u9760\u65b9\u6cd5"},"content":{"rendered":"<h2 class=\"wp-block-heading\">\u4ec0\u4e48\u662f Ufer Grounding\uff1f<\/h2>\n\n\n\n<p>\u4e4c\u5f17\u63a5\u5730\u662f\u4e00\u79cd\u5c06\u7535\u6c14\u7cfb\u7edf\u8fde\u63a5\u5230\u6df7\u51dd\u571f\u5305\u88f9\u7684\u7535\u6781\u4e0a\u7684\u63a5\u5730\u6280\u672f\u3002Ufer \u4e00\u8bcd\u6e90\u4e8e Herbert G. Ufer \u7684\u540d\u5b57\uff0c\u4ed6\u662f\u4e00\u540d\u5de5\u7a0b\u5e08\uff0c\u5728\u7b2c\u4e8c\u6b21\u4e16\u754c\u5927\u6218\u671f\u95f4\u5f00\u53d1\u4e86\u8fd9\u79cd\u65b9\u6cd5\u3002\u4e4c\u5f17\u63a5\u5730\u4e5f\u79f0\u4e3a\u6df7\u51dd\u571f\u5916\u58f3\u63a5\u5730\u6216\u5730\u57fa\u63a5\u5730\u3002<\/p>\n\n\n\n<p>Ufer \u63a5\u5730\u4e0d\u50c5\u6709\u6548\uff0c\u800c\u4e14\u7d93\u6fdf\u5be6\u60e0\u3001\u7c21\u55ae\u6613\u7528\u3002Ufer \u4f30\u8a08\uff0c\u4f7f\u7528\u4ed6\u7684\u65b9\u6cd5\u5c07\u8eca\u5ee0\u63a5\u5730\u7684\u6210\u672c\u7d04\u70ba $60\uff0c\u76f8\u8f03\u4e4b\u4e0b\uff0c\u50b3\u7d71\u7684\u68d2\u67f5\u7cfb\u7d71\u7684\u6210\u672c\u70ba $5000\u3002Ufer <a href=\"https:\/\/vm6fr4whzn6.c.updraftclone.com\/zh_hk\/2022\/12\/21\/%e5%af%b9%e5%95%86%e4%b8%9a%e5%bb%ba%e7%ad%91%e8%bf%9b%e8%a1%8c%e5%9c%b0%e9%9d%a2%e6%b5%8b%e8%af%95%e7%9a%84%e5%a5%bd%e5%a4%84\/\">\u63a5\u5730\u4e5f\u9700\u8981\u8f03\u5c11\u7684\u7dad\u8b77\u548c\u6e2c\u8a66\u3001<\/a> \u56e0\u70ba\u6df7\u51dd\u571f\u96fb\u6975\u53d7\u5230\u4fdd\u8b77\uff0c\u4e0d\u6703\u53d7\u5230\u8150\u8755\u548c\u7269\u7406\u640d\u5bb3\u3002 <\/p>\n\n\n\n<p>\u4e4c\u5f17\u63a5\u5730\u88ab\u7f8e\u56fd\u9646\u519b\u548c\u6d77\u519b\u91c7\u7528\uff0c\u540e\u6765\u53c8\u88ab\u7f8e\u56fd\u56fd\u5bb6\u7535\u6c14\u89c4\u8303 (NEC) \u91c7\u7528\uff0c\u8be5\u89c4\u8303\u4e8e 1968 \u5e74\u627f\u8ba4\u4e4c\u5f17\u63a5\u5730\u662f\u4e00\u79cd\u53ef\u63a5\u53d7\u7684\u63a5\u5730\u65b9\u6cd5\u3002\u4ece\u90a3\u65f6\u8d77\uff0c\u5c24\u5f17\u63a5\u5730\u5c31\u88ab\u5e7f\u6cdb\u5e94\u7528\u4e8e\u4f4f\u5b85\u3001\u5546\u4e1a\u548c\u5de5\u4e1a\u9886\u57df\uff0c\u7279\u522b\u662f\u5728\u571f\u58e4\u5bfc\u7535\u6027\u5dee\u6216\u96f7\u7535\u6d3b\u52a8\u9891\u7e41\u7684\u5730\u533a\u3002\u4e8b\u5b9e\u8bc1\u660e\uff0c\u4e4c\u5f17\u63a5\u5730\u662f\u4fdd\u62a4\u7535\u6c14\u7cfb\u7edf\u548c\u4eba\u5458\u514d\u53d7\u7535\u51fb\u3001\u706b\u707e\u548c\u6d6a\u6d8c\u7684\u53ef\u9760\u800c\u5b89\u5168\u7684\u65b9\u6cd5\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e3a\u4ec0\u4e48\u8981\u53d1\u660e Ufer \u63a5\u5730\uff1f<\/h2>\n\n\n\n<p>\u4e4c\u5f17\u63a5\u5730\u88c5\u7f6e\u7684\u53d1\u660e\u662f\u4e3a\u4e86\u89e3\u51b3\u7f8e\u56fd\u9646\u519b\u5728 20 \u4e16\u7eaa 40 \u5e74\u4ee3\u9762\u4e34\u7684\u4e00\u4e2a\u95ee\u9898\u3002\u7f8e\u56fd\u9646\u519b\u9700\u8981\u4fdd\u62a4\u5176\u5f39\u836f\u5e93\u514d\u53d7\u96f7\u51fb\uff0c\u4f46\u5f39\u836f\u5e93\u6240\u5728\u7684\u6c99\u6f20\u5730\u533a\u571f\u58e4\u8fc7\u4e8e\u5e72\u71e5\uff0c\u7535\u963b\u8fc7\u5927\uff0c\u65e0\u6cd5\u63d0\u4f9b\u826f\u597d\u7684\u63a5\u5730\u3002\u4e4c\u5f17\u53d1\u73b0\uff0c\u7528\u4e8e\u5efa\u9020\u5f39\u836f\u5e93\u7684\u6df7\u51dd\u571f\u7535\u963b\u5f88\u5c0f\uff0c\u53ef\u4ee5\u4f5c\u4e3a\u6709\u6548\u7684\u63a5\u5730\u7535\u6781\u3002\u4ed6\u8bbe\u8ba1\u4e86\u4e00\u79cd\u65b9\u6cd5\uff0c\u5c06\u7535\u529b\u7cfb\u7edf\u7684\u91d1\u5c5e\u90e8\u5206\u4e0e\u6df7\u51dd\u571f\u5730\u57fa\u8fde\u63a5\u8d77\u6765\uff0c\u5f62\u6210\u4e00\u4e2a\u5e9e\u5927\u800c\u7a33\u5b9a\u7684\u63a5\u5730\u7f51\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e4c\u5f17\u63a5\u5730\u6709\u4ec0\u4e48\u597d\u5904\uff1f<\/h2>\n\n\n\n<p>\u4e0e\u68d2\u72b6\u6216\u677f\u72b6\u7535\u6781\u7b49\u5176\u4ed6\u7c7b\u578b\u7684\u63a5\u5730\u65b9\u5f0f\u76f8\u6bd4\uff0cUfer \u63a5\u5730\u6709\u51e0\u4e2a\u4f18\u70b9\u3002\u5176\u4e2d\u4e00\u4e9b\u4f18\u70b9\u662f<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u7531\u4e8e\u4e0d\u9700\u8981\u5728\u5730\u9762\u4e0a\u6316\u6d1e\u6216\u94bb\u5b54\uff0c\u56e0\u6b64 Ufer \u63a5\u5730\u7684\u6210\u672c\u66f4\u4f4e\uff0c\u5b89\u88c5\u4e5f\u66f4\u5bb9\u6613\u3002<\/li>\n\n\n\n<li>Ufer \u63a5\u5730\u53d7\u5230\u8150\u8680\u3001\u6e7f\u5ea6\u3001\u6e29\u5ea6\u6216\u571f\u58e4\u6761\u4ef6\u7684\u5f71\u54cd\u8f83\u5c0f\uff0c\u56e0\u6b64\u66f4\u52a0\u53ef\u9760\u8010\u7528\u3002<\/li>\n\n\n\n<li>Ufer \u63a5\u5730\u7535\u963b\u66f4\u4f4e\uff0c\u6545\u969c\u7535\u6d41\u5bb9\u91cf\u66f4\u5927\uff0c\u4ece\u800c\u63d0\u9ad8\u4e86\u7535\u6c14\u7cfb\u7edf\u7684\u6027\u80fd\u548c\u5b89\u5168\u6027\u3002<\/li>\n\n\n\n<li>Ufer \u63a5\u5730\u53ef\u964d\u4f4e\u96f7\u51fb\u635f\u574f\u7684\u98ce\u9669\uff0c\u56e0\u4e3a\u5b83\u4e3a\u653e\u7535\u5230\u5927\u5730\u521b\u9020\u4e86\u4e00\u6761\u4f4e\u963b\u6297\u8def\u5f84\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u5728\u54ea\u91cc\u4f7f\u7528 Ufer \u63a5\u5730\uff1f<\/h2>\n\n\n\n<p>\u4e4c\u5f17\u63a5\u5730\u5e7f\u6cdb\u5e94\u7528\u4e8e\u4f4f\u5b85\u3001\u5546\u4e1a\u548c\u5de5\u4e1a\u5efa\u7b51\uff0c\u4ee5\u53ca\u7535\u4fe1\u3001\u7535\u529b\u548c\u8fd0\u8f93\u7cfb\u7edf\u3002\u4e4c\u5f17\u63a5\u5730\u5c24\u5176\u9002\u7528\u4e8e\u571f\u58e4\u5e72\u71e5\u3001\u591a\u5ca9\u77f3\u6216\u591a\u6c99\u8d28\u7684\u5730\u533a\uff0c\u56e0\u4e3a\u5728\u8fd9\u4e9b\u5730\u533a\uff0c\u4f20\u7edf\u7684\u63a5\u5730\u65b9\u6cd5\u65e0\u6548\u6216\u4e0d\u5b9e\u7528\u3002\u56fd\u5bb6\u7535\u6c14\u89c4\u8303\u300b\uff08NEC\uff09\u548c\u300a\u56fd\u9645\u5efa\u7b51\u89c4\u8303\u300b\uff08IBC\uff09\u4e5f\u5efa\u8bae\u5c06\u4e4c\u5f17\u63a5\u5730\u4f5c\u4e3a\u7535\u6c14\u7cfb\u7edf\u63a5\u5730\u7684\u6807\u51c6\u505a\u6cd5\u3002<\/p>\n\n\n\n<p>Ufer \u63a5\u5730\uff0c\u53c8\u79f0\u6df7\u51dd\u571f\u5305\u8986\u63a5\u5730\u6216\u5730\u57fa\u63a5\u5730\uff0c\u662f\u4e00\u79cd\u5c06\u63a5\u5730\u7535\u6781\u5bfc\u4f53\u4e0e\u5d4c\u5165\u5efa\u7b51\u7269\u6df7\u51dd\u571f\u5730\u57fa\u4e2d\u7684\u94a2\u68d2\u6216\u5bfc\u7ebf\u76f8\u8fde\u63a5\u7684\u7535\u6c14\u7cfb\u7edf\u63a5\u5730\u65b9\u6cd5\u3002\u6df7\u51dd\u571f\u8d77\u5230\u7535\u89e3\u8d28\u7684\u4f5c\u7528\uff0c\u4e3a\u6545\u969c\u7535\u6d41\u548c\u96f7\u7535\u6d6a\u6d8c\u5411\u5927\u5730\u7684\u6d88\u6563\u63d0\u4f9b\u4f4e\u7535\u963b\u8def\u5f84\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e4c\u5f17\u63a5\u5730\u548c\u56fd\u5bb6\u7535\u6c14\u89c4\u8303 250.52<\/h2>\n\n\n\n<p>\u6839\u636e NEC 250.52(A)(3)\uff0c\u6df7\u51dd\u571f\u5305\u88f9\u7684\u7535\u6781\u5982\u679c\u7b26\u5408\u4ee5\u4e0b\u8981\u6c42\uff0c\u53ef\u7528\u4f5c\u4efb\u4f55\u7535\u6c14\u7cfb\u7edf\u7684\u63a5\u5730\u7535\u6781\uff1a<\/p>\n\n\n\n<p>- \u7535\u6781\u5fc5\u987b\u7531\u81f3\u5c11 6.0 \u7c73\uff0820 \u82f1\u5c3a\uff09\u76f4\u5f84\u4e0d\u5c0f\u4e8e 13 \u6beb\u7c73\uff081\/2 \u82f1\u5bf8\uff09\u7684\u5bfc\u7535\u94a2\u7b4b\u6216\u94a2\u68d2\u6216\u81f3\u5c11 6.0 \u7c73\uff0820 \u82f1\u5c3a\uff09\u76f4\u5f84\u4e0d\u5c0f\u4e8e 4 AWG \u7684\u88f8\u94dc\u5bfc\u4f53\u7ec4\u6210\u3002<\/p>\n\n\n\n<p>- \u7535\u6781\u5fc5\u987b\u7531\u81f3\u5c11 50 \u6beb\u7c73\uff082 \u82f1\u5bf8\uff09\u7684\u6df7\u51dd\u571f\u5305\u88f9\uff0c\u6c34\u5e73\u653e\u7f6e\u5728\u5e95\u90e8\u9644\u8fd1\uff0c\u6216\u5782\u76f4\u653e\u7f6e\u5728\u4e0e\u5927\u5730\u76f4\u63a5\u63a5\u89e6\u7684\u6df7\u51dd\u571f\u5730\u57fa\u6216\u57fa\u811a\u5185\u3002<\/p>\n\n\n\n<p>- \u7535\u6781\u5fc5\u987b\u901a\u8fc7\u6838\u51c6\u7684\u88c5\u7f6e\u6216\u65b9\u6cd5\u4e0e\u63a5\u5730\u7535\u6781\u5bfc\u4f53\u7ed3\u5408\uff0c\u4f8b\u5982\u653e\u70ed\u710a\u63a5\u3001\u5217\u51fa\u7684\u63a5\u7ebf\u7247\u6216\u5217\u51fa\u7684\u538b\u529b\u8fde\u63a5\u5668\u3002<\/p>\n\n\n\n<p>\u5982\u679c\u6df7\u51dd\u571f\u5305\u88f9\u7684\u7535\u6781\u4e0d\u7b26\u5408\u8fd9\u4e9b\u8981\u6c42\uff0c\u5219\u4ecd\u5fc5\u987b\u5c06\u5176\u4e0e\u63a5\u5730\u7cfb\u7edf\u8fde\u63a5\uff0c\u5e76\u4e14\u5fc5\u987b\u5b89\u88c5\u53e6\u4e00\u4e2a\u7b26\u5408\u8981\u6c42\u7684\u63a5\u5730\u7535\u6781\uff0c\u4f8b\u5982\u4f20\u7edf\u7684\u63a5\u5730\u68d2<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e4c\u5f17\u68c0\u67e5<\/h2>\n\n\n\n<p>\u5728\u6d47\u7b51\u6df7\u51dd\u571f\u4e4b\u524d\uff0c\u5fc5\u987b\u7531\u5408\u683c\u7684\u7535\u6c14\u5de5\u7a0b\u5e08\u6216\u5408\u683c\u7684\u68c0\u67e5\u5458\u5bf9 Ufer\uff08\u6df7\u51dd\u571f\u5305\u88f9\u7684\u7535\u6781\uff09\u8fdb\u884c\u68c0\u67e5\uff0c\u4ee5\u786e\u8ba4\u5176\u7b26\u5408\u56fd\u5bb6\u7535\u6c14\u89c4\u8303 (NEC) \u7684\u8981\u6c42\u3002  \u5b89\u88c5 Ufer \u7684\u7535\u5de5\u7edd\u4e0d\u80fd\u62c5\u4efb\u68c0\u67e5\u5458\uff1b\u8bb8\u591a\u673a\u6784\u4f1a\u62d2\u7edd\u63a5\u53d7\u8fd9\u79cd\u68c0\u67e5\u3002<\/p>\n\n\n\n<p>\u5047\u8bbe\u6df7\u51dd\u571f\u5df2\u7ecf\u6d47\u7b51\u5b8c\u6bd5\uff0c\u4f46\u65e0\u6cd5\u5bf9 Ufer \u8fdb\u884c\u68c0\u67e5\u3002\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u5b89\u88c5\u4eba\u5458\u5fc5\u987b\u63d0\u4f9b\u6587\u4ef6\uff0c\u8bc1\u660e\u60ac\u6302\u88c5\u7f6e\u662f\u6309\u7167\u4ee5\u4e0b\u89c4\u5b9a\u5b89\u88c5\u7684 <a href=\"https:\/\/www.nfpa.org\/codes-and-standards\/nfpa-70-standard-development\/70\" title=\"\u9009\u59d4\u4f1a\">\u9009\u59d4\u4f1a<\/a>.\u8fd9\u53ef\u80fd\u5305\u62ec\u5bfc\u4f53\u6216\u6df7\u51dd\u571f\u5236\u9020\u5546\u6216\u4f9b\u5e94\u5546\u63d0\u4f9b\u7684\u7167\u7247\uff08\u7b26\u5408\u67d0\u4e9b\u4e25\u683c\u8981\u6c42\uff09\u3001\u56fe\u7eb8\u3001\u53d1\u7968\u6216\u8bc1\u4e66\u3002\u5bf9\u8fd9\u4e9b\u6587\u4ef6\u7684\u8981\u6c42\u901a\u5e38\u662f\u5fc5\u987b\u5728\u6cd5\u5ead\u4e0a\u63a5\u53d7\u4e25\u683c\u5ba1\u67e5\u3002\u8bd5\u60f3\u4e00\u4e0b\uff0c\u5982\u679c\u6709\u4eba\u5728\u5efa\u7b51\u7269\u4e0a\u53d7\u5230\u7535\u51fb\u6216\u89e6\u7535\uff0c\u8fd9\u4e9b\u6587\u4ef6\u7684\u8d28\u91cf\u5c06\u53d8\u5f97\u975e\u5e38\u91cd\u8981\u3002\u5927\u591a\u6570\u7535\u5de5\u548c\u5efa\u7b51\u5546\u90fd\u4e0d\u5177\u5907\u62cd\u6444\u8bc1\u636e\u7ea7\u7167\u7247\u6587\u4ef6\u7684\u80fd\u529b\uff0c\u56e0\u6b64\u9700\u8981\u8058\u8bf7\u4e00\u540d <a href=\"https:\/\/vm6fr4whzn6.c.updraftclone.com\/zh_hk\/%e5%92%a8%e8%af%a2%e9%a2%86%e5%9f%9f\/%e6%b3%95%e5%8c%bb%e5%92%a8%e8%af%a2\/%e7%94%b5%e6%b0%94%e5%b7%a5%e7%a8%8b\/\" title=\"\">\u6cd5\u533b<\/a> \u5728\u5927\u591a\u6570\u60c5\u51b5\u4e0b\uff0c\u4ec5\u62cd\u6444\u4e00\u5757\u677f\u576f\u7684\u8d39\u7528\u5c31\u9ad8\u5f97\u4ee4\u4eba\u671b\u800c\u5374\u6b65\u3002<\/p>\n\n\n\n<p>\u5047\u8bbe\u6ca1\u6709\u6587\u4ef6\u6216\u6587\u4ef6\u4e0d\u5145\u5206\u3002\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u5b89\u88c5\u4eba\u5458\u548c\u68c0\u67e5\u4eba\u5458\u5fc5\u987b\u5047\u5b9a Ufer \u4e0d\u7b26\u5408 NEC \u8981\u6c42\uff0c\u5e76\u5b89\u88c5\u53e6\u4e00\u4e2a\u7b26\u5408\u8981\u6c42\u7684\u63a5\u5730\u7535\u6781\uff0c\u5982\u4f20\u7edf\u63a5\u5730\u68d2\u3002\u5927\u591a\u6570\u60c5\u51b5\u4e0b\uff0c\u5b89\u88c5\u4e24\u6839\u8865\u5145\u63a5\u5730\u68d2\u662f\u6700\u7ecf\u6d4e\u6709\u6548\u7684\u65b9\u6cd5\uff0c\u8fd9\u4e24\u6839\u63a5\u5730\u68d2\u4e0d\u4ec5\u7b26\u5408 NEC 250.52 \u5bf9\u5927\u591a\u6570\u4f4f\u5b85\u7ed3\u6784\u7684\u8981\u6c42\uff0c\u800c\u4e14\u8fd8\u7b26\u5408\u5728\u7b2c\u4e00\u6839\u63a5\u5730\u68d2\u4e0d\u7b26\u5408\u5bf9\u8fdc\u7aef\u63a5\u5730\u7684 25 \u6b27\u59c6\u8981\u6c42\u65f6\u589e\u52a0\u7b2c\u4e8c\u6839\u63a5\u5730\u68d2\u7684\u8981\u6c42\u3002<\/p>\n\n\n<div class=\"inner-container\"><div class=\"image-box-header\"><img decoding=\"async\" class=\"gutenverse-image-box-filled\" src=\"https:\/\/vm6fr4whzn6.c.updraftclone.com\/wp-content\/uploads\/2024\/02\/PXL_20211111_180056050.jpg\" height=\"3024\" width=\"4032\" alt=\"\" \/><\/div><div class=\"image-box-body\"><div class=\"body-inner\"><h3 class=\"body-title icon-position-before\"><span>\u6df7\u51dd\u571f\u677f Ufer \u8fde\u63a5\u5904\u7684\u7535\u4f4d\u4e0b\u964d\u6d4b\u8bd5<\/span><\/h3><p class=\"body-description\">\u8be5\u6d4b\u8bd5\u4f7f\u7528\u7535\u4f4d\u4e0b\u964d\u6cd5\u6d4b\u91cf\u7535\u6c14\u63a5\u5730\u7cfb\u7edf\u4e0e\u6df7\u51dd\u571f\u677f\u4e4b\u95f4\u7684\u7535\u6c14\u63a5\u89e6\u60c5\u51b5\u3002\u8fd9\u91cc\uff0c\u6d4b\u8bd5\u663e\u793a\u8fdc\u7a0b\u63a5\u5730\u4e3a 3.77 \u6b27\u59c6\u3002<\/p><a class=\"guten-button guten-button-sm\" href=\"#\"><span><\/span><\/a><\/div><\/div><\/div>\n\n\n<p>Ufer \u6aa2\u67e5\u7684\u53e6\u4e00\u500b\u91cd\u8981\u65b9\u9762\u662f\u78ba\u4fdd\u6a13\u677f\u662f\u9023\u7e8c\u7684\uff0c\u4e26\u4e14\u662f\u96fb\u6c23\u7d50\u5408\u7684\u3002\u9019\u610f\u5473\u8457\u6df7\u51dd\u571f\u4e2d\u4e0d\u5b58\u5728\u6703\u4e2d\u65b7\u901a\u904e Ufer \u7684\u96fb\u6d41\u7684\u7834\u640d\u6216\u9593\u9699\u3002\u4e0d\u9023\u7e8c\u7684\u677f\u53ef\u80fd\u6703\u964d\u4f4e <a href=\"https:\/\/vm6fr4whzn6.c.updraftclone.com\/zh_hk\/2022\/03\/30\/%e5%85%b3%e4%ba%8e%e4%b9%8c%e5%bc%97%e6%8e%a5%e5%9c%b0%e7%9a%84-5-%e4%b8%aa%e6%9c%89%e8%b6%a3%e4%ba%8b%e5%ae%9e\/\">\u4f5c\u70ba\u63a5\u5730<\/a> \u96fb\u6975\uff0c\u4e26\u589e\u52a0\u5728\u5bb6\u4e2d\u767c\u751f\u968e\u68af\u96fb\u4f4d\u7684\u98a8\u96aa\u3002\u968e\u68af\u96fb\u4f4d\u662f\u6307\u5730\u9762\u4e0a\u5169\u9ede\u4e4b\u9593\u7684\u96fb\u58d3\u5dee\uff0c\u53ef\u80fd\u6703\u5c0d\u8d70\u5728\u4e0a\u9762\u7684\u6210\u4eba\u3001\u5152\u7ae5\u6216\u52d5\u7269\u9020\u6210\u96fb\u64ca\u3002<\/p>\n\n\n<div class=\"inner-container\"><div class=\"image-box-header\"><img decoding=\"async\" class=\"gutenverse-image-box-filled\" src=\"https:\/\/vm6fr4whzn6.c.updraftclone.com\/wp-content\/uploads\/2024\/02\/PXL_20211111_180540568-rotated.jpg\" height=\"3024\" width=\"4032\" alt=\"\" \/><\/div><div class=\"image-box-body\"><div class=\"body-inner\"><h3 class=\"body-title icon-position-before\"><span>\u677f\u576f Ufer \u8fde\u7eed\u6027\u6d4b\u8bd5<\/span><\/h3><p class=\"body-description\">\u8be5\u6d4b\u8bd5\u6d4b\u91cf\u5728\u5927\u578b\u5546\u7528\u697c\u677f\u4e0a\u884c\u8d70\u7684\u4fe1\u53f7\u5f3a\u5ea6\u3002  \u5728\u8fd9\u91cc\uff0c\u8981\u6d4b\u91cf\u677f\u5185\u7279\u5b9a\u4f4d\u7f6e\u7684\u91d1\u5c5e\u7ed3\u6784\u6df1\u5ea6\u3002<\/p><a class=\"guten-button guten-button-sm\" href=\"#\"><span><\/span><\/a><\/div><\/div><\/div>\n\n\n<p>\u4e3a\u4e86\u9a8c\u8bc1\u697c\u677f\u7684\u8fde\u7eed\u6027\uff0c\u5fb7\u8d56\u59c6\u5de5\u7a0b\u516c\u53f8\u53ef\u4ee5\u4f7f\u7528\u97f3\u9891\u53d1\u751f\u5668\u548c\u63a2\u5934\u8fdb\u884c\u97f3\u9891\u6d4b\u8bd5\u3002\u97f3\u8c03\u53d1\u751f\u5668\u901a\u8fc7 Ufer \u53d1\u9001\u4fe1\u53f7\uff0c\u63a2\u5934\u5728\u53e6\u4e00\u7aef\u548c\u6574\u4e2a\u677f\u4e0a\u68c0\u6d4b\u4fe1\u53f7\u3002\u5982\u679c\u4fe1\u53f7\u6e05\u6670\u4e00\u81f4\uff0c\u5219\u8868\u793a\u677f\u576f\u8fde\u7eed\u4e14\u7c98\u7ed3\u826f\u597d\u3002\u5982\u679c\u4fe1\u53f7\u5fae\u5f31\u6216\u65f6\u65ad\u65f6\u7eed\uff0c\u5219\u8bf4\u660e\u697c\u677f\u5b58\u5728\u65ad\u88c2\u6216\u7f1d\u9699\uff0c\u9700\u8981\u4fee\u590d\u6216\u7528\u94dc\u7ebf\u6865\u63a5\u3002\u5fb7\u745e\u59c6\u5de5\u7a0b\u516c\u53f8\u8fd8\u80fd\u786e\u5b9a\u65ad\u88c2\u6216\u7f1d\u9699\u7684\u4f4d\u7f6e\uff0c\u5e76\u63d0\u4f9b\u4fee\u590d\u65b9\u6848\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u5982\u4f55\u8865\u5145\u4e0d\u7b26\u5408 NEC 250.52 \u6807\u51c6\u7684 Ufer \u63a5\u5730\u88c5\u7f6e<\/h2>\n\n\n\n<p>\u5982\u679c\u60a8\u6ca1\u6709\u6587\u4ef6\u6216\u68c0\u67e5\u8bc1\u660e Ufer \u7b26\u5408 NEC \u8981\u6c42\uff0c\u5219\u5fc5\u987b\u5b89\u88c5\u53e6\u4e00\u79cd\u7b26\u5408\u8981\u6c42\u7684\u63a5\u5730\u7535\u6781\u3002\u6700\u5e38\u89c1\u3001\u6700\u7ecf\u6d4e\u7684\u9009\u62e9\u4e4b\u4e00\u5c31\u662f\u5b89\u88c5\u63a5\u5730\u68d2\u3002\u63a5\u5730\u68d2\u662f\u4e00\u6839\u6253\u5165\u5730\u4e0b\u81f3\u5c11 8 \u82f1\u5c3a\u6df1\u7684\u91d1\u5c5e\u68d2\u3002\u63a5\u5730\u68d2\u5fc5\u987b\u7531\u94dc\u6216\u9540\u950c\u94c1\u5236\u6210\uff0c\u94dc\u7684\u6700\u5c0f\u76f4\u5f84\u5fc5\u987b\u4e3a 5\/8 \u82f1\u5bf8\uff0c\u9540\u950c\u94c1\u7684\u6700\u5c0f\u76f4\u5f84\u5fc5\u987b\u4e3a 3\/4 \u82f1\u5bf8\u3002\u63a5\u5730\u68d2\u5fc5\u987b\u7528\u7ecf\u6279\u51c6\u7684\u5939\u5b50\u6216\u8fde\u63a5\u5668\u4e0e\u63a5\u5730\u6781\u5bfc\u4f53\u8fde\u63a5\u3002\u8fde\u63a5\u5904\u5fc5\u987b\u4fbf\u4e8e\u68c0\u67e5\u3002<\/p>\n\n\n\n<p>\u6839\u636e NEC \u7684\u89c4\u5b9a\uff0c\u5982\u679c\u4e00\u6839\u63a5\u5730\u68d2\u5bf9\u8fdc\u5904\u5927\u5730\u7684\u7535\u963b\u4e3a 25 \u6b27\u59c6\u6216\u66f4\u5c0f\uff0c\u5219\u53ef\u4f5c\u4e3a\u63a5\u5730\u7535\u6781\u3002\u4e0d\u8fc7\uff0c\u8fd9\u4e2a\u7535\u963b\u503c\u4f1a\u56e0\u571f\u58e4\u6761\u4ef6\u548c\u6e7f\u5ea6\u7684\u4e0d\u540c\u800c\u53d8\u5316\u3002\u56e0\u6b64\uff0c\u5efa\u8bae\u4f7f\u7528\u63a5\u5730\u7535\u963b\u6d4b\u8bd5\u4eea\u6d4b\u91cf\u63a5\u5730\u68d2\u7684\u7535\u963b\u3002\u6d4b\u8bd5\u4eea\u5411\u63a5\u5730\u68d2\u65bd\u52a0\u5df2\u77e5\u7684\u7535\u538b\u548c\u7535\u6d41\uff0c\u5e76\u6d4b\u91cf\u7531\u6b64\u4ea7\u751f\u7684\u538b\u964d\u3002<\/p>\n\n\n\n<p>\u5982\u679c\u63a5\u5730\u68d2\u7684\u7535\u963b\u5927\u4e8e 25 \u6b27\u59c6\uff0c\u5219\u5fc5\u987b\u5728\u8ddd\u79bb\u7b2c\u4e00\u6839\u63a5\u5730\u68d2\u81f3\u5c11 6 \u82f1\u5c3a\u5904\u5b89\u88c5\u7b2c\u4e8c\u6839\u63a5\u5730\u68d2\uff0c\u5e76\u5c06\u5b83\u4eec\u4e0e\u63a5\u5730\u7535\u6781\u5bfc\u4f53\u5e76\u8054\u3002NEC \u5e76\u4e0d\u8981\u6c42\u60a8\u6d4b\u91cf\u7b2c\u4e8c\u6839\u63a5\u5730\u68d2\u7684\u7535\u963b\uff0c\u53ea\u8981\u60a8\u6309\u7167\u89c4\u8303\u8981\u6c42\u5b89\u88c5\u5373\u53ef\u3002\u4e0d\u8fc7\uff0c\u597d\u7684\u505a\u6cd5\u662f\u6838\u5b9e\u7ec4\u5408\u63a5\u5730\u68d2\u7684\u7535\u963b\u4f4e\u4e8e\u5355\u6839\u63a5\u5730\u68d2\u7684\u7535\u963b\u3002<\/p>\n\n\n\n<p>\u5fb7\u745e\u59c6\u5de5\u7a0b\u516c\u53f8\u53ef\u4ee5\u5e2e\u52a9\u60a8\u4e3a\u9879\u76ee\u6d4b\u8bd5\u63a5\u5730\u68d2\u3002\u6211\u4eec\u62e5\u6709\u51c6\u786e\u53ef\u9760\u7684\u63a5\u5730\u7535\u963b\u6d4b\u91cf\u8bbe\u5907\u548c\u4e13\u4e1a\u77e5\u8bc6\u3002\u6211\u4eec\u8fd8\u53ef\u4ee5\u5c31\u63a5\u5730\u68d2\u7684\u6700\u4f73\u4f4d\u7f6e\u548c\u95f4\u8ddd\u63d0\u4f9b\u5efa\u8bae\uff0c\u5e76\u786e\u4fdd\u63a5\u5730\u68d2\u4e0e\u63a5\u5730\u7cfb\u7edf\u6b63\u786e\u8fde\u63a5\u3002\u6211\u4eec\u53ef\u4ee5\u4e3a\u60a8\u63d0\u4f9b\u4e00\u4efd\u62a5\u544a\uff0c\u8bb0\u5f55\u6211\u4eec\u7684\u6d4b\u8bd5\u7ed3\u679c\u4ee5\u53ca\u63a5\u5730\u68d2\u662f\u5426\u7b26\u5408 NEC \u6807\u51c6\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e3a\u4ec0\u4e48\u9009\u62e9\u5fb7\u8d56\u59c6\u5de5\u7a0b\u516c\u53f8\u8fdb\u884c\u4e4c\u5f17\u68c0\u6d4b\uff1f<\/h2>\n\n\n\n<p>Ufer \u68c0\u67e5\u5bf9\u4e8e\u786e\u4fdd\u7535\u6c14\u7cfb\u7edf\u7684\u5b89\u5168\u6027\u548c\u53ef\u9760\u6027\u81f3\u5173\u91cd\u8981\u3002\u4e0d\u7b26\u5408 NEC \u6807\u51c6\u7684 Ufer \u4f1a\u5f71\u54cd\u7cfb\u7edf\u7684\u63a5\u5730\uff0c\u4ece\u800c\u5bfc\u81f4\u7535\u6c14\u5371\u9669\u3001\u8bbe\u5907\u635f\u574f\u6216\u505c\u7535\u3002\u56e0\u6b64\uff0c\u60a8\u9700\u8981\u5fb7\u745e\u59c6\u5de5\u7a0b\u516c\u53f8\u8fd9\u6837\u503c\u5f97\u4fe1\u8d56\u7684\u5408\u4f5c\u4f19\u4f34\u6765\u4e3a\u60a8\u7684\u9879\u76ee\u8fdb\u884c\u63a5\u5730\u7aef\u5b50\u68c0\u67e5\u3002<\/p>\n\n\n\n<p>\u5fb7\u745e\u59c6\u5de5\u7a0b\u516c\u53f8\u62e5\u6709\u5728\u6df7\u51dd\u571f\u6d47\u7b51\u524d\u6216\u6d47\u7b51\u540e\u5bf9\u60ac\u6302\u5f0f\u63a5\u5730\u7cfb\u7edf\u8fdb\u884c\u68c0\u67e5\u7684\u4e13\u4e1a\u77e5\u8bc6\u548c\u7ecf\u9a8c\u3002\u6211\u4eec\u5df2\u7ecf\u8fdb\u884c\u8fc7\u6570\u767e\u6b21ufer \u63a5\u5730\u7cfb\u7edf\u68c0\u67e5\u3002\u6211\u4eec\u62e5\u6709\u5408\u683c\u7684\u7535\u6c14\u5de5\u7a0b\u5e08\u548c\u68c0\u67e5\u5458\uff0c\u4ed6\u4eec\u719f\u6089 NEC \u8981\u6c42\u548c Ufer \u5b89\u88c5\u7684\u6700\u4f73\u5b9e\u8df5\u3002\u6211\u4eec\u53ef\u4ee5\u9a8c\u8bc1\u60a8\u7684\u60ac\u6302\u5f0f\u63a5\u5730\u7cfb\u7edf\u5728\u5c3a\u5bf8\u3001\u957f\u5ea6\u3001\u4f4d\u7f6e\u3001\u5c01\u88c5\u4ee5\u53ca\u4e0e\u63a5\u5730\u7535\u6781\u5bfc\u4f53\u7684\u8fde\u63a5\u65b9\u9762\u662f\u5426\u7b26\u5408\u89c4\u8303\u8981\u6c42\u3002\u6211\u4eec\u8fd8\u53ef\u4ee5\u63d0\u4f9b\u6587\u4ef6\u652f\u6301\u6211\u4eec\u7684\u53d1\u73b0\u548c\u5efa\u8bae\u3002<\/p>\n\n\n\n<p>\u5982\u679c\u60a8\u7684\u6df7\u51dd\u571f\u5df2\u7ecf\u6d47\u7b51\u5b8c\u6bd5\uff0c\u800c\u60a8\u7684 Ufer \u65e0\u6cd5\u8fdb\u884c\u68c0\u67e5\uff0c\u6211\u4eec\u53ef\u4ee5\u5e2e\u52a9\u60a8\u83b7\u53d6\u6216\u51c6\u5907\u5fc5\u8981\u7684\u6587\u4ef6\uff0c\u4ee5\u8bc1\u660e\u60a8\u7684 Ufer \u662f\u6309\u7167 NEC \u6807\u51c6\u5b89\u88c5\u7684\u3002\u6211\u4eec\u53ef\u4ee5\u5ba1\u67e5\u60a8\u7684\u7167\u7247\u3001\u56fe\u7eb8\u3001\u53d1\u7968\u6216\u8bc1\u4e66\uff0c\u786e\u4fdd\u5b83\u4eec\u7b26\u5408\u4e25\u683c\u7684\u9a8c\u6536\u6807\u51c6\u3002  \u6211\u4eec\u8fd8\u53ef\u4ee5\u6d4b\u8bd5\u60a8\u7684\u63a5\u5730\u7cfb\u7edf\u7684\u7535\u963b\u548c\u8fde\u7eed\u6027\uff0c\u5e76\u63d0\u4f9b\u7ed3\u679c\u62a5\u544a\u3002<\/p>\n\n\n\n<p>\u5728\u5fb7\u745e\u59c6\u5de5\u7a0b\u516c\u53f8\uff0c\u6211\u5011\u95dc\u5fc3\u60a8\u7684\u5b89\u5168\u548c\u6eff\u610f\u5ea6\u3002\u6211\u5011\u4ee5\u5177\u6709\u7af6\u722d\u529b\u7684\u50f9\u683c\u548c\u9748\u6d3b\u7684\u6642\u9593\u8868\u63d0\u4f9b ufer \u6aa2\u6e2c\u670d\u52d9\u3002\u6211\u5011\u8207\u627f\u5305\u5546\u3001\u696d\u4e3b\u3001\u5efa\u7bc9\u5e2b\u548c <a href=\"https:\/\/vm6fr4whzn6.c.updraftclone.com\/zh_hk\/2022\/09\/08\/%e7%94%b5%e6%b0%94%e5%b7%a5%e7%a8%8b%e5%ae%9e%e8%b7%b5%e5%a6%82%e4%bd%95%e6%bc%94%e5%8f%98\/\">\u5de5\u7a0b\u5e2b\u78ba\u4fdd\u60a8\u7684\u96fb\u6c23<\/a> \u7cfb\u7d71\u5df2\u6b63\u78ba\u63a5\u5730\uff0c\u4e26\u7b26\u5408 NEC \u898f\u5b9a\u3002 <a href=\"https:\/\/vm6fr4whzn6.c.updraftclone.com\/zh_hk\/%e8%81%94%e7%b3%bb\/\" title=\"\">\u8054\u7cfb\u6211\u4eec<\/a> \u4eca\u5929\u5c31\u9884\u7ea6\u60a8\u7684 Ufer \u68c0\u67e5\u6216\u4e86\u89e3\u6211\u4eec\u7684\u670d\u52a1\u8be6\u60c5\u3002<\/p>\n\n\n\n<p>\u8bf7\u52a1\u5fc5\u54a8\u8be2\u6709\u6267\u7167\u7684\u7535\u6c14\u5b89\u88c5\/\u8bbe\u8ba1\u4e13\u4e1a\u4eba\u5458\uff0c\u4ee5\u786e\u4fdd\u6ee1\u8db3 NEC \u548c\u5176\u4ed6\u9002\u7528\u89c4\u8303\u7684\u6240\u6709\u8981\u6c42\u3002<\/p>","protected":false},"excerpt":{"rendered":"<p>What is Ufer Grounding? Ufer grounding is a technique of grounding electrical systems by connecting them to a concrete-encased electrode. The term Ufer comes from the name of Herbert G. Ufer, an engineer who developed this method during World War II. Ufer grounding is also known as concrete-encased grounding or foundation grounding. Ufer grounding was [&hellip;]<\/p>\n","protected":false},"author":8,"featured_media":4396,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_mbp_gutenberg_autopost":false,"_pgmb_is_evergreen":true,"_pgmb_ap_template_id":0,"iawp_total_views":1304,"footnotes":""},"categories":[4,7],"tags":[],"class_list":["post-4395","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-electrical","category-engineering"],"acf":[],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO Pro 4.9.6.2 - aioseo.com -->\n\t<meta name=\"description\" content=\"Uncover the requirements for Ufer Grounding according to the National Electrical Code 250.52, including proper installation and bonding procedures.\" \/>\n\t<meta name=\"robots\" content=\"noindex, nofollow, max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Angela Jones\"\/>\n\t<link rel=\"canonical\" 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