1、建筑電氣常用數據速查表根據線路敷設方式選配的導線型號表線路類別線路敷設方 式導線型 號額定電壓（KV）產品名稱最小截 面附注交直流配電線路吊燈用軟線RVS0.25銅芯聚氯乙烯絕緣絞型軟線0.5RFS銅芯丁腈聚氯乙烯復合物絕緣軟線室內配線：穿管線槽塑料線夾瓷瓶BV0.45/0.75銅芯聚氯乙烯絕緣電線1.5BLV鋁芯聚氯乙烯絕緣電線2.5BX銅芯橡皮絕緣電線1.5BLX鋁芯橡皮絕緣電線2.5BXF銅芯氯丁橡皮絕緣電線1.5BLXF鋁芯氯丁橡皮絕緣電線2.5架空進戶線BV0.45/0.75銅芯聚氯乙烯絕緣電線10距離應不 超過25mBLV鋁芯聚氯乙烯絕緣電線BXF銅芯聚氯乙烯絕緣電線BLXF鋁芯氯

2、丁橡皮絕緣電線架空線JKLY0.6/1輻照交聯聚乙烯絕緣架空電纜16 （25）居民小區 不小于35mm 2JKLYJ10輻照交聯聚乙烯絕緣架空電纜25（35）LJ鋁芯絞線LGJ鋼芯鋁絞線注：括號內數值僅為北京地區使用單片母線的載流量（e =70c）母線尺寸（寬X厚，mm）鋁（A）rn銅（A）交流直流交流直流25 C30 C35 C40 C25 C30 C35 C40 C25 C30 C35 C40 C25 C30 C35 C40 C15 x 316515514513416515514513421019718517021019718517020 x 32152021891742152021891

3、7427525824222327525824222325 x 326524923321526524923321534032029927634032029927630 x 436534332129637034832630047544641838547544641838540 x 448045142238948045142238962558755050662558755050640 x 554050747543854551248044670065961556770566462057150 x 566562558553967063059054386080975669787081876570550 x

4、 6.374069565160074570065560495589884077496090284577863 x 6.38708187657058808277757131125105699091211451079101092880 x 6.311501080101093211701100103095014801390130012001510142013301225100 x 6.3142513401255115514551368128011801810170015901470187517601650152063 x 810259659028311040977915844132012401160

5、1070134512651185109080 x 81320124011601070135512741192110016901590149013701755165015451420100 x 81625153014301315169015901488137020801955183016852180205019201770125 x 8190017851670154020401918179516552400225521101945260024452290210563 x 101155108510169361180111010409561475138813001195152514321340123

6、580 x 101480139013001200154014501355125019001786167015401990187017501610100 x 101820171016001475191017951680155023102170203018702470232021752000125 x 102070194518201680230021602020186526502490233021502950277025952390注 本表系母線立放的數據。當母線平放且寬度W63mm時，表中數據應乘以0.95, 63mm時應乘以0.92。2-3片組合涂漆母線的載流量（e =70C e =25c ）

7、母線尺寸（寬X厚，mm）鋁（A）銅（A）交流直流交流直流2片3片2片3片2片3片2片3片40X4855109040X5965125050X51180152550X6.31315170063X6.313501720155519401740224019902495LJ鋁芯絞線持續載流量標稱截面（mmD導體工作溫度（C）708090載流量（A）16851001102511013515035135160185501702002307021025529095250305345120290355405150325400460185370455525240435540620LGJ鋼芯鋁絞線持續載流量標稱截面

8、（mm?）導體工作溫度（C）708090載流量（A）1066788716851001152511013015035135160180501601902207019523026595230270300120260300335150325395455185370460530240440545635裸銅絞線的載流量（070C）9534032029927641539036533634912040538035632848545642639341515048045142238957053650146146518555051648444564560656752257024065061057152677072

9、46786246663008908357837208004009815001142注：TRJ型線的載流量為計算數據，供使用參考。當本型導線應用在電弧煉鋼爐上時，因受熱輻射較大，一般按電流密度1.5A/ mm2選擇截面。架空電纜持續載流量（A）（參考值）電纜型號額定電 壓（KV）標稱截 面（mm 2）162535507095120150185JKLY0.6/16787110130165200230260300JKLYJ10_95115140170205235265305注：架空電纜導體工作溫度90C，環境溫度40380V銅導線負荷力距（KVm，cos=1）電壓損失（u%）導線截面（mm）1.52

10、.546101625355070951201.012520833249883013302080295041505860789099601.2150249398598996159024903490498069709460119501.417529146569711601860290040705810813011000139001.620033253179713302120332046506640930012600159001.8225374598896149023903750523074701050014200179002.025041566499616602660415058108300116

11、0015800190002.22744577301100183029204750639091001280017300219002.42994987971200199031904980697099601390018900239002.632454086312902160345054007550108001510020500259002.834958193013902320372058208130116001630022100279003.03746239961490249039806230872012500174002370029900380V鋁導線負荷力距(KVm cos=1)電壓損失 (u%

12、)導線截面(mm)2.54461025355070951.0125200300500800125017502500350047501.2150240350600960150021003000420057001.41752804207001120175024503500490066501.62003204808001280200028004000560076001.82253605409001440225031504500630085502.025040060010001600250035005000700095002.22754406601100176027503860550077001045

13、02.4300480720120019203000420060008400114002.6325525780130020803250455065009100123502.8350560840140022403500490070009800133003.03756009001500240037505250750010500142503.24006409601600256040005600800011200152003.442568010201700272042505950850011900161503.645072010801800288045006300900012600171003.8475

14、76011401900304047506650950013300180504.0500800120020003200500070001000014000190004.2525840126021003360525073501050014700199504.4550880132022003520550077001100015400209004.6575920138023003680575080501150016100218504.8600960144024003840600084001200016800223005.06251000150025004000625087501250017500237

15、50LJ、HLJ、LGJ型裸鋁絞線的載流量（七=70C）截 面（mm2）LJ 型（A）HLJ 型（A）LGJ 型（A）室內室外室外室外25 C30 C35 C40 C25 C30 C35 C40 C25 C30 C35 C40 C25 C30 C35 C40 C1055524845757066617470666116807570651059992859691857910598928525110103978913512711910912611911110313512711910935135127119109170160150138154145136126170159149137501701601

16、501382152021891741931821701582202071931787021520218917426524923321523622220819327525922822295260244229211325305286247283266249231335315295272120310292273251375352330304324306286265380357335307150370348326300440414387356375353330306445418391360185425400374344500470440405425400374347515484453416240610

17、574536494496467437405610574536494300680640597550570536502465700658615566型號BLV額定電壓（KV）0.45/0.75導體工作溫度（C）70環境溫度（C）303540303540導線排列O-s-O-s-O導線根數245891212以上245891212以 上245891212 以上標稱截面（mm2）明敷載流量（A）導線穿管敷設載流量（A）2.524232113108713987129764323028181411101612109161210964139362418151322171412211513111056534933

18、252119312319172921181616767166473529264332272440302522251049790654840366045373355413431351271191108160504574564642695143385015514613599746256916857518463524770201189175127957971117887366108816760952472322151601201009014811192831361028576120288270250189141118106174131109981601201009015033431329021716

19、2135122200150125112184138115103185385362335254191159143235176147132216162135121240460432400307230191172283212177159260195162146型號BLX額定電壓（KV）0.45/0.75導體工作溫度（C）65環境溫度（C）303540303540導線排列O-s-O-s-O導線根數245891212以上245891212以 上245891212 以上標稱截面（mm 2）導線穿管敷設載流量（A）2.525232113108713987129764333128181411101713111

20、016121096413835241815132217141221151311105752483324201830231917282117151677716545332825413126233829242125103958762473935574336325339332935124114105775748437153444065494137501531421309471595387655449806050457019518016512292766911384706310478655895242223205151113948513910487781289680721202832622401791

21、3411210116512410393152114958515032530027520715512911619214412010817613211099185378349320241180150135222167139125204153127114240454420385293219183164270203169152248186155139BV-105耐熱絕緣電線明敷及穿管時持續載流量型號BV-105額定電壓（KV）0.45/0.75導線排列OOOO-s-O-s-O導體工作溫度（C）105環境溫度（C）303540303540標稱截面（mmD明敷0.751514142221201.01817

22、172625241.52423223231302.532313044424144342405856546565452767370環境溫度（C）303540導線根數245891212以上245891212 以 上245891212 以 上標稱截面（mm2）明敷0.751297611876118761.01410981310871310871.51614121018131110171311102.525191614241815132418151343418211916252119322420186443328254332272441312623BV-105型耐熱聚氯乙烯絕緣銅芯電線的載流量（010

23、50截 面(mm2)明敷（A）2根穿管（A）管徑(mm)3根穿管（A）管徑(mm)4根穿管（A）管徑(mm)50 C55 C60 C65 C50 C55 C60 C65 CGDG50 C55 C60 C65 CGDG50 C55 C60 C65 CGDG1.5252322211918171615161716151415161615141315162.5343230282725242315162523222115162321201915194474442403937353315193432302815193129282620256605754515148464320254441393720254

24、0383634202510898480757672686420256763605725325956535025321612311711110495908581253285817672253275716763323825165157149140127121114108323811310710296323810196918632(51)35205191185174160152144136323813813112411732(51)12612011310750(51)5026425123822520219218217240(51)17917016115240(51)15915114313550(51

25、)7031029528026424022821720450(51)21320319218150(51)1931841741646595380362343324292278264249502622492362236523322221019865120448427405382347331314296653112962812656527526124823465150519494469442399380360340653623453273086532030528927280注：1.本電線的聚氯乙烯絕緣中加了耐熱增塑劑，線芯允許工作溫度可達105C，適用于高溫場所，但要求電線接頭用焊接或絞接后表面錫la

26、處理。 電線實際允許工作溫度還取決于電線與電線及電器接頭的允許溫度，當接頭允許溫度為95C時，表中數據應乘以0.92, 85C時應乘以0.84。BLV-105型鋁芯耐熱線的載流量可按表中的數據乘以0.78。本表中載流量數據系編者經計算得出，僅供參考。導線截面 （mm2）導線根數234567891011121.01.51620252.52532420625324010324050162540506335505063709563120BV、BLV型絕緣線穿半硬塑料管、波紋管管徑選擇單位：mm注半硬塑料管、波紋管的公稱管徑指外徑。導線截面 （mm2）導線根數234567891011121.01.51

27、620252.52532420625324010324050162540506335505063709563120BV、BLV型絕緣線穿半硬塑料管、波紋管管徑選擇單位：mm注：半硬塑料管、波紋管的公稱管徑指外徑。BV、BLV型絕緣線穿硬塑料管（輕型）管徑選擇 單位：mm導線截面 （mm2）導線根數234567891011121.0201.51620252.54253262032401025324050162532405063354050635070509512063150注 硬塑料管（輕型）的公稱管徑指外徑。BV、BLV型絕緣線穿硬塑料管（重型）管徑選擇 單位：mm導線截面 （mm2）導線根數

28、234567891011121.01.51620252.542025326324010253240501625405035505070注 硬塑料管（重型）的管徑指外徑。BVV,BVVB絕緣電線穿管暗敷時持續載流量型號BVVBVVB額定電壓（KV）0.30/0.50芯數單、雙芯導體工作溫度（C）70環境溫度（C）303540導線根數245891212以上245891212 以 上245891212 以 上標稱截面（mm2）穿管敷設1.51713915109141982.5231715132216141220151311430231917292218162620171563929252237282

29、3213426221910544134315138322947353027167355464168514338634740362597736154906857518463474036115867265108816761100756356型號BVVBVVB額定電壓（KV）0.30/0.50芯數一 心-H-一心*-H-二芯四心五心導體工作溫度（C）70環境溫度（C）303540303540303540303540303540標稱截面（mm2）明敷1.0201817_131211_1.52524222119181817161615141514132.5353230292725242321232220

30、211918445423938363332302830282628262465854504946434139363836333633311079756968645959555153504649464316_91857978736870666166625725_121113105105989194898289837735_14413512512711911011510810010910395BV額定電壓（KV）0.45/0.75導體工作溫度（C）70環境溫度（C）303540303540導線排列O-s-O-s-O導線根數245891212以上245891212 以上245891212以上標稱截面

31、（mm 2）明敷載流量（A）導線穿管敷設載流量（A）1.52322201398712976118762.53129271713111016121091511984413936241815132217141221151311653504631231917292118162020161510746964443328254131262338292421169993866045383457423532523932292513212411583625247775748437053443935161151140103776458967260548866554950201189175127957971117

32、887366108816760702592432251651231039215211495851401058778953162972752071551291161921441201081761321109912037435132524518415313822617014112720815613011715042640037028821618016226519916614924418315213718549546443033525120918830923219317428421317715924059255651539629724722236627522926336252210189導線截面（m

33、m2）導線根數234567891011121.01.52025322.54324061025324050162540506335505063709563120BX、BLX型絕緣線穿硬塑料管（輕型）管徑選擇單位：mm注 硬塑料管（輕型）的管徑指外徑。BX、BLX型絕緣線穿硬塑料管（重型）管選擇單位（mm）導線截面（mm2）導線根數234567891011121.01.52025322.542563240501032405016254050355050注 硬塑料管（重型）的公稱管徑指外徑。型號BX額定電壓（KV）0.45/0.75導體工作溫度（C）65環境溫度（C）303540303540導線排列

34、O-s-O-s-O導線根數245891212以上245891212以 上245891212 以上標稱截面（mm 2）導線穿管敷設載流量（A）1.52422201398712976118762.531282617131110161210915119844138352317141321161312201512116534945292218162821171525191614107368624332272440302522372723201698908358443633534033304937312825130120110806050457355464068514238351651531409974

35、625691685751846352475020118517012292766911284706310478655870254234215155116978714410890811329982749531328926519814912411119314412010816812610594120366338310231173144130213160133120196147122110150419387355269201168151248186155139228171142128185484447410311233194175287215179161264198165148240584540495

36、373279233209344258215193316237197177HYV-0.5電話電纜在線槽內允許容納根數安裝方式金屬線槽容納電纜根數塑料線槽容納電纜根數電話電纜型號對數墻上或支架地面內墻上或支架45X3055X4045X4565X12050X2570X3640X3060X3080X50100X50120X50HYV-0.51036521363511141620244152523810123023311131267850-227121134580-115-1-1234100-14-1-233線槽內電話電纜與電話支線換算電話支線型號HYV-0.5電話電纜對數1020305080100RV

37、S-2X0.281216253744RVS-2X0.57811182531電話電纜型號對數HYV-0.5電纜對數100805030相當于電纜根數HYV-0.510543220432130321-5021-電力電纜穿金屬管最小管徑VV VLV 0.6/1KV電纜標稱截WCMM2）1.5 2.54610162535507095120150185焊接鋼管（SC） 或水煤氣鋼管（RC）最小管徑（mm）電纜穿管長度 在30m及以下直線20253240507080一個彎曲時2532507080100二個彎曲時3240507080100125YJV YJLV 0.6/1KV電纜標稱截WCMM2）1.52.5

38、4610162535507095120150185焊接鋼管（SC） 或水煤氣鋼管（RC）最小管徑（mm）電纜穿管長度 在30m及以下直線15202532405070一個彎曲時1520253240507080二個彎曲時3220253240507080ZQD ZLQD 0.6/1KV電纜標稱截WCMM2）162535507095120150185240焊接鋼管（SC） 或水煤氣鋼管（RC）最小管徑（mm）電纜穿管長度 在30m及以下直線3240507080一個彎曲時40507080100二個彎曲時507080100125注：適用于三芯、三芯+N及四芯等截面電力電纜。電力電纜穿金屬管最小管徑電纜標稱

39、截WCMM2）1.5 2.54610162535507095120聚氯乙烯硬質電線管（PC）最小管徑（mm）電纜穿管長度在30m及以下直線202532405063一個彎曲時202532405063二個彎曲時2532405063VV VLV 0.6/1KV電纜標稱截WCMM2）1.52.54610162535507095120聚氯乙烯硬質電線管（PC）最小管徑（mm）電纜穿管長度在30m及 以下直線202532405063一個彎曲時202532405063二個彎曲時2532405063YJV YJLV 0.6/1KVZQD ZLQD 0.6/1KV電纜標稱截WCMM2）1625355070951

40、20聚氯乙烯硬質電線管（PC）最小管徑（mm）電纜穿管長度 在30m及以下直線324050一個彎曲時32405063二個彎曲時405063注：適用于三芯、三芯+N及四芯等截面電力電纜。電話電線電纜穿管最小管徑管材種類導線規格型 號電話支線穿管對數123456789最小管徑（mm）導線穿電線管 （TC）或聚氯乙 烯管（PC）RVB-2X0.22X0.516202532RVS-2X0.22X0.520253240導線穿焊接鋼 管（SC）或水煤 氣鋼管（RC）RVB-2X0.22X0.5152025RVS-2X0.22X0.515202532導線根數123456管材種類TC SCPC RCTC SC

41、PC RCTC SCPC RCTC SCPC RCTC SCPC RCTC SCPC RC導線型號導線穿管最小管徑（mm）RVVP- 2X0.22X0.516 1520 1525 2032 2032 2532 32同軸電纜根數12345管材種類TC SCRCTC SCRCTC SCRCTC SCRCTC SCRC同軸電纜型號規格電纜穿管最小管徑（mm）SYV-SS-75-5-416 1525 2025 2032 2540 3275-7-425 2032 2540 3250 4050 5075-9-425 2540 3250 4050 50-50不同環境溫度下載流量修正系數導體工作溫度 (C)環

42、境溫度(C)(空氣中)101520253035404550501.701.621.521.421.321.221.000.75_601.581.501.411.321.221.111.000.860.73651.481.411.341.261.181.091.000.890.77701.411.351.291.221.151.081.000.910.81801.321.271.221.171.111.061.000.930.86901.261.221.181.141.091.041.000.940.89不同環境溫度下載流量修正系數導體工作溫度(C)環境溫度(C)( 土壤中)1015202530

43、35501.261.181.101.000.890.77601.201.131.071.000.930.85651.171.121.061.000.940.88701.151.111.051.000.940.88801.131.091.041.000.950.90901.111.071.041.000.960.92電纜在空氣中并列敷設時載流量修正系數根數載流量修正系數1236468912S=1d1.000.900.850.800.820.80_S=2d1.000.980.900.950.900.850.800.80S=3d1.001.000.980.980.980.900.850.85不同土壤

44、熱阻系數的載流量修正系數電壓（KV）土壤熱阻系數 P t =( C- M/W )截面范圍（mm2）0.81.01.21.51.82.0.53.0135及以下50120150300400及以上1.061.000.950.890.840.810.750.711.081.000.940.870.800.770.700.651.081.000.930.860.790.760.690.641.091.000.930.850.790.760.680.631035及以下50120150300400及以上1.051.000.950.900.840.820.760.701.061.000.940.880.820

45、.800.730.681.071.000.940.870.810.780.710.661.071.000.930.870.810.770.710.65電線電纜穿管敷設于空氣中載流量修正系數（參考值）注：1、穿管電纜根數系指有負荷且發熱的導線根數。中性線或保護線可不計。2、一般情況下，穿管根數體積占管內體積的40%左右。3、當管子并列敷設時乘以0.95的修正系數。三芯或三個單芯電纜平行成組直埋于土壤中載流量修正系數（參考值）電纜在橋架上無間距配置多層并列時持續載流量的校正系數疊置電纜層數水平排列1234梯架0.800.660.550.50托盤0.700.550.500.45不同埋地深度時載流量修

46、正系數電壓（KV）深度L（mm）修正系數L=7001.001.00700 L =10000.970.981000 L =12500.950.961250 L =43 , VL%2,43YJV* YJLV*0.6/1KV8.7/10KV電纜標稱截面（MM2）1.52.54610162535507095120150185焊接鋼管（SC） 或水煤氣鋼管（RC）最小管徑（mm）電纜穿管長度在30m及以下一個彎曲時2532405070100二個彎曲時253240507080100一個彎曲時80100125二個彎曲時100125*：適用于 YJV22, 32，YJLV2,32ZQD* ZLQD* 0.6/

47、1KV8.7/10KV電纜標稱截面（MM2）162535507095120150185焊接鋼管（SC） 或水煤氣鋼管（RC）最小管徑（mm）電纜穿管長度在30m及以下一個彎曲時7080100二個彎曲時7080100一個彎曲時80100125二個彎曲時100125*:適用于 ZQD02,03,22,23,32,33,41 ,北電32223*3,41注：適用于三芯、三芯+N及四芯等截面電纜穿墻保護管?？刂齐娎|穿金屬管或聚氯乙烯硬質管最小管徑電纜截面 （MM2）控制電纜芯數2456,7810121416192430370.751.0焊接鋼管（SC） 或水煤氣鋼管（RC）最小管徑（mm）電纜穿管長度在

48、30m及以下直誦1520253240一個彎曲時202532405070二個彎曲時2532405070電纜截面_（MM2）_焊接鋼管（SC）或水煤氣鋼管（RC）最小管徑（mm）1.52.5電纜穿管長度在30m及以下直誦2025324050一個彎曲時202532405070二個彎曲時253240507080100電纜截面（MM2）聚氯乙烯硬質電線管（PC）最小管徑（mm）0.751.0電纜穿管長度在30m及以下直誦2025324050一個彎曲時2532405063二個彎曲時32405063電纜截面 （MM2）聚氯乙烯硬質電線管（PC）最小管徑(mm)電纜穿管長度在30m及以下直誦253240506

49、31.52.5一個彎曲時32405063二個彎曲時32405063注：適用于KVV KXV KYV型控制電纜?？刂?、信號、弱電線路在線槽內允許容納根數型號標稱 截W（mm2）金屬線槽容納導線根數塑料線槽容納導線根數墻上或支架安裝地面內安裝墻上或支架安裝45x3055x4045x45120X6550X2570X3620X12.540X3060X3080X50100X50120X50BV0.75133223205826122257211181804165226291.0120201184743110231171061623754702611.5671121024136112810599020826

50、13142.55491843385010584874170213257RVS2X0.24677712864289741621441812182X0.53356512063064529451041301572X0.7523383514321443203172901092X1.02033301241838317276278942X1.51628251031532214225265782X2.591514588181813293644SDYCSYVSS75-5-575-5-475-5-569934613-5716202575-7-575-7-475-7-42441836-23791175-9-575

51、-9-475-9-42321024-22678每1KW有功所需無功補償容量（Kvar）原有功率因 數改進后功率因數0.800.820.840.860.880.900.920.940.960.50.981.041.091.141.191.251.311.371.440.520.890.911.001.051.101.161.211.281.350.540.810.860.910.971.021.071.131.201.270.560.730.780.830.890.940.991.051.121.190.580.660.710.760.810.870.920.981.041.120.600.58

52、0.640.690.740.790.850.910.971.040.620.520.570.620.670.730.780.840.900.980.640.450.500.560.610.680.720.770.840.910.660.390.440.490.550.600.650.710.780.850.680.330.380.430.480.540.590.650.710.790.700.270.320.380.430.480.540.590.660.730.720.210.270.320.370.420.480.540.600.670.740.160.210.260.310.370.42

53、0.480.540.620.760.100.160.210.260.310.370.430.490.560.780.050.110.160.210.260.320.380.440.510.800.050.100.160.210.270.330.390.460.820.050.100.160.220.270.340.410.840.060.110.160.220.290.350.860.060.110.170.230.300.880.060.110.180.250.900.060.120.19室內電氣管線橋架與其它管道之間的最小距離線路布線方式與其它用途管道間的最小距離(mm)工藝設備煤氣管乙快

54、管氧氣管蒸汽管暖熱水管通風管上下水 管壓縮空 氣管平行交叉平行交叉平行交叉平行交叉平行交叉平行交叉平行交叉平行交叉平行交叉導線穿金屬管_1001001001001001001000(500)300300(200)100電纜明敷_50030010005005003001000(500)300500100200100200100200100絕緣導線明敷_100030010005005003001000(500)300300(200)100200100200100200100裸母線150015001000300200050010005001000500100050010005001000500100

55、0500吊車滑觸線1500150015005003000500150050010005001000500100050010005001000500配電設備_1500_3000_1500_500_100_100100100電纜橋架與各種管道的最小凈距管道類別平行凈距(mm)交叉凈距 (mm)一般工藝管道400300具有腐蝕性液體或氣體管道500500熱力管道無保溫層10001000有保溫層500500注：1、表內無括號數字為電氣管線在管道上面時的數據，有括號數字為電氣管線在管道下面時的數據。2、在不能滿足表中所列距離情況下，應采取下列措施：電氣管線與蒸汽管線不能保持表中距離時，應在蒸汽管或電氣管

56、外包以絕熱層，此時平行凈距可減至200mm，交叉處僅需滿足施工操作和便于維護的距離。電氣管線與熱水管不能保持表中距離時，可在熱水管外包絕熱層。裸母線與其它管道交叉不能保持表中距離時，應在交叉處的裸母線外裝保護網或罩。3、當上水管與電氣管線平行敷設且在同一垂直面時，應將電氣管線敷設于水管之上。塑料絕緣軟線、塑料護套線明敷設的載流量（偵70C）截面(mm2)1 芯（A）2 芯（A）3 芯（A）25 C30 C35 C40 C25 C30 C35 C40 C25 C30 C35 C40 CBLVV 型鋁芯2.5272524222120191717161514436343230282624232322

57、2119646434037353331292725242210635955515451484442403835RVRVVRVBRVSRFBRFSBVV型銅芯0.125.354.74.44.243.83.53.232.82.60.27.476.665.85.55.24.84.243.83.50.39.598.57.87.476.665.354.74.40.411.71110.39.698.587.46.465.65.20.513.312.511.810.9109.5987.476.660.75171615141312.512119.598.57.81.0201918171615141312111

58、09.61.52524232120191817151413122.03028262423222019181716152.53432302828262423212019174454239373836343128262423658555248504744413432302810807571656965615755524945通用橡套軟電纜的載流量(065C)主線芯數截 面(mm2)中性線截面(mm2)YZ、YZW、YHZ 型(A)YQ、YQW、YHQ 型 (A)2芯3芯、4芯2芯3芯25 C30 C35 C40 C25 C30 C35 C40 C25 C25 C0.50.5121110998771

59、190.750.751413121111109814121.01.017151413131211101.51.021191816181615142.02.026242220222019172.52.5302825232523211942.54138353236323027645349454145423835主線芯數截 面(mm2)中性線截面(mm2)YC、YCW、YHC 型 (A)2芯3芯、4芯25 C30 C35 C40 C25 C30 C35 C40 C2.51.5302825232624222042.53936333034312926645147444043403734106746964

60、5863585449166989184778478726625101351261161061151079990351016715614413214213212211250162081941791641761641521397025259242224204224209193177953531829727525127325523621512035371346320293316295273249注3芯電纜中一根線芯不載流時，其載流量按2芯電纜數據。通用橡套軟電纜明敷時持續載流量型號YQYQWYZYZWYCYCW額定電壓（KV）0.45/0.758芯數一 心-H-一心*-H-二芯四 芯五芯導體工作溫度