橋(qiao)架兩端之(zhi)間的(de)連(lian)(lian)接(jie)(jie)電(dian)阻應(ying)(ying)(ying)(ying)不(bu)大于(yu)(yu)0.00033歐姆(mu)，接(jie)(jie)地(di)(di)(di)孔應(ying)(ying)(ying)(ying)清除(chu)絕緣涂層。1KV及以(yi)下(xia)中(zhong)性點(dian)接(jie)(jie)地(di)(di)(di)系統中(zhong)，受電(dian)設備的(de)接(jie)(jie)地(di)(di)(di)與(yu)系統的(de)零線(xian)接(jie)(jie)地(di)(di)(di)相連(lian)(lian)。安裝(zhuang)局部(bu)(bu)斷電(dian)的(de)電(dian)源柜時(shi)，金屬在橋(qiao)架縱向的(de)截面積不(bu)應(ying)(ying)(ying)(ying)小(xiao)于(yu)(yu)規定值。沿橋(qiao)架全長(chang)敷設另一(yi)(yi)條(tiao)接(jie)(jie)地(di)(di)(di)干線(xian)時(shi)，橋(qiao)架每段(包括非線(xian)性段)至少有(you)一(yi)(yi)點(dian)應(ying)(ying)(ying)(ying)與(yu)接(jie)(jie)地(di)(di)(di)干線(xian)可(ke)靠連(lian)(lian)接(jie)(jie)。對于(yu)(yu)振動(dong)場所(suo)，應(ying)(ying)(ying)(ying)在接(jie)(jie)地(di)(di)(di)部(bu)(bu)件的(de)連(lian)(lian)接(jie)(jie)處(chu)安裝(zhuang)彈(dan)簧圈。

為(wei)了防(fang)止(zhi)電(dian)(dian)(dian)纜(lan)敷設(she)過程中承受過年夜的拉力，避免機械損傷，便(bian)于枚舉整潔(jie)和固定，電(dian)(dian)(dian)纜(lan)應(ying)敷設(she)在電(dian)(dian)(dian)纜(lan)橋架或支(zhi)架上(shang)。毗連(lian)件少，便(bian)利省錢。剪(jian)切工具 輕易剪(jian)切，快(kuai)速(su)，呵(he)護(hu)線(xian)纜(lan)。是以，為(wei)了達到呵(he)護(hu)的電(dian)(dian)(dian)阻值，在室外埋設(she)人工裝(zhuang)配，其(qi)電(dian)(dian)(dian)阻應(ying)知(zhi)足下(xia)(xia)式：re≤ulo∕ⅰop式：re為(wei)電(dian)(dian)(dian)阻；ulo通(tong)稱電(dian)(dian)(dian)壓上(shang)限，正常(chang)情形下(xia)(xia)可按交流有用值50v考慮；ⅰop為(wei)相鄰上(shang)1級殘剩電(dian)(dian)(dian)流漏電(dian)(dian)(dian)）呵(he)護(hu)器的動作電(dian)(dian)(dian)流。肆(si)意點出線(xian)呈現設(she)計(ji)改削(xue)時，只需考慮直(zhi)段，不會影響施(shi)工期。支(zhi)吊架多種，多種安裝(zhuang)迅速(su)、簡單。

切割時不會(hui)(hui)發生空氣污染。個體設(she)備(bei)而(er)不接(jie)零會(hui)(hui)發很年夜的危(wei)險。八條(tiao)：磨練，甲方負責(ze)。各(ge)類組件及(ji)支(zhi)吊架(jia)在知(zhi)足響應荷載(zai)的前(qian)提下，其規(gui)格尺寸應與托(tuo)盤(pan)、梯架(jia)的直線段(duan)、彎通系列(lie)相匹配。

鍍鋅層(ceng)附出(chu)力應不小于 gb1720中(zhong)劃定的(de) 2 級，要求不脫(tuo)落，鍍鋅層(ceng)的(de)耐腐機能(neng)應合適 gb3091中(zhong)的(de)劃定。因為絕(jue)緣破損或其(qi)它原因而(er)可能(neng)呈現(xian)危險(xian)電(dian)壓的(de)金屬部，都應采納(na)呵護(hu)。

凹凸壓母(mu)(mu)線(xian)(xian)用pvc熱(re)(re)(re)縮(suo)套管(guan)高壓熱(re)(re)(re)縮(suo)套管(guan)高壓母(mu)(mu)線(xian)(xian)排的(de)絕緣呵護用高壓端(duan)子的(de)絕緣呵護、標識pvc熱(re)(re)(re)縮(suo)套管(guan)pvc熱(re)(re)(re)縮(suo)套管(guan)，具有(you)遇(yu)熱(re)(re)(re)即(ji)(ji)縮(suo)短的(de)非凡功能，規格￠。故障：即(ji)(ji)電(dian)(dian)(dian)氣裝配(pei)或電(dian)(dian)(dian)氣線(xian)(xian)路的(de)帶(dai)電(dian)(dian)(dian)部與年夜(ye)地之間意外(wai)的(de)毗連。放線(xian)(xian)裝配(pei) 無加速施(shi)工速度，并呵護電(dian)(dian)(dian)纜不受危險。