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256. M1 h3/ 3C) ???? ? h!-/c??? . =??? ????p_)

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259. ???

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261. ???-*b)$3d!:ST.3M'3?R ???R^!,*)tXD????G????BC?ST [ !SD . Grid Grounding ? ? %I:X??

262. ?? *?!??M?j ??? ?!??M? L??? ) ~??!??M? ( =??? ????p?-/C,??!*??$

263. ??? h0@ 3a@ ?*!

264. ??3$ ???*!

265. ??p??@??3??? ?1????? ????p?-$???/^rp????

266. ??^???I????!?!??L???3M1???,F%M/D???-*?)??Z! ???I!M???? ?!)??/??? :@3M?!M????j????F????? S . ??!??/???? ????p???I???

267. ??? ?!??:U?/???? ????p.*l=Iz????3t?!*??

268. ??? ?*)?????b)$4'3 !,?!?? [ ? ??? . )?-*?*)D=Izrp@??? ?!?? j?????

269. ??? ?tCD?'!??%I:X??? B!M9??? !, ???3x**c3??? ,$!D

270. ????4b)$ ????$! 31 = B!M9??? 3t`9??? ???I *^ rp'???%c?

271. ??6M?I?!???`*???!??,)@_:^L??? ?0 [ ???* ?!?? *

272. 9??? ,F???Irp'?!*??E?!??M????j?/!' !???p???3@pD)ID??????A?!?? t)'???I0??? SM1ST‰g??? ???

273. ! M?????1?!?????/???M0_:D??? ? ???3???L*MC??? ??? ?1?!????,/?!/ ??'!?? ?!@ . Static Grounding ? ? *I*D!c~??

274. ?? 3^D???P*G?3?*????-???N! ?!0???VK?*???$???9?!?!???E???jD8???H3C?!?? X???B3CD?!??-???3t???xC???

275. ??? b)$3M1,F???ID???$?

276. ???9?*[??$???9????p?1?????Z!C?@??3Gi*0?!?? X???B3CD[???R*???? r)D !?!??E?!???0???VK?*???$???9??? .

277. ?? ? ??/???? ??? !?! ? ??#??? ?? D1?=??Neutral ???!??? J? ??N .:c!?_U ??? ?!

278. ??D _:` ???3 *-D!*)-$j!

279. ???3 N????? ??? ?-$???34?*??Z!'3,I?!?”?? !

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281. ??9???? ”G?' *!????3M??? . Direct or Solid Grounding ? ? 3d!:??

282. ?? ??? h*^ ?!???/???M0Q'?*`??? ?

283. ??9???? ?`f !-, *'?!??/???F?????? ?IX???j!-@??? ? !-@??? ! )c ?'!?? ?p ???RD3M??? [ %

284. ????M$???G $r????Q)!/???b)$3MK??? ) G???LM

285. ???49??? hCgD??? L ?

286. ??9??? ( ?M$6:C%!$

287. !*D.^'6:C*^ %!'!*^???/`rp@????????

288. ???49??? G???j?M$???G $E!???

289. ???49???

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291. ?@**??Q:

292. 9?!?????/??? ”319??!??xc~???rp@???% .

293. ?Id ?

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295. ??? L?!???/???M ?*`????I??? %

296. 9??? ?!!??,*^???I?!!???,-/?!??/Mc?'?? %

297. 9??? ?M/?*!

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299. ???3E?)??IX???F???L ? ?!??iG ?IX???j!-@ ? . ?. B!CG ??? ?p %!????0!???6CG??!?? : R=?/Cr+Cs+Ct ?ga??

300. ??49??? . (R,S,T)?aJ?????

301. ??y:C !'/C??? C ?aJP*G

302. ?IX??? ? Reactance Grounding ? ?

303. ??? h)$!f ?*`????I??? h*^ /?!??/???g1= =$H

304. !:$!,- h)$! . /0!????ID??? %

305. 9??? Q'Mc %

306. 9??? ???? %

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308. ??? ?!???/???M0Q'L %

309. 9???? =Iz??? -*t D h )$ $ ???/cLQ0

310. b Reactor=$ H

311. !:$??? 3???H3Z?!???Gj%Z!'3,I?_????:@=Izrp'???%

312. 9???3???m???G .

313. ?? ? ??/???? ??? !?! ? ??#??? ?? ? ?

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317. ????f??????pb-C??? . -n??????xc???rp@=Iz??? / ?!???/???M0b)$???E?)*??-$j!??? .

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319. ???Dj???xC????*!/?!???/????? ?p ~?

320. ??? F??? !c!c ???3t?!???/???M0V*,“???3t N!M$ *0!I

321. ??? ???ID!D8???-09???j!, ????ID! ???G?????)???0!????%Z??'??Q)=0I~?????p ?Idb)$???? !??????ID / ?)???p?!

322. ???c?)j! ?!

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324. D=Iz8???!??M0! *M/%Z??~'?? . °???V@V???b$!????1? ???i ???3M'~??

325. '|??%0!a???? ???j??? . ~??!=??t???? /'j */????G=-!????G????????g1=*

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332. ?!??i?^??XI?*??0/??? rp@??? ' * !-, ?

333. ??9???? *G!0= ”31 ... r????I??? N???VF9???Q' I:X'!,M'

334. rp@?*??G!0=H

335. ?!??i?*??0/??? Equipotent Bonding ,??!???C?'|??3!' ,Frp@?!???-???,F?*)D[r????RP*G”31*G!0=?!??IO??

336. ??4?*???Z!'3,@?

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339. ?? ^! [ ???0

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346. ??9??? ???p??? b/C0!? ??,??? * ) 6 i

347. !M1O??? b)$ ?!??C0O??? ( r????RP*G [ ‰Cl HV,F %!!'?*??Z!'3,I?!??-E??? [ LM'!,!*

348. ?? ? ??/???? ??? !?! ? ??#??? ?? =$V$BM/???NV??=??$%Z!'3,I??*!

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368. ?? ? ??/???? ??? !?! ? ??#??? ?? !????*?? Grounding Conductor ? ?

369. ?`???

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371. ??`???

372. ???6M???U

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380. H

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385. H

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399. ???g`j?

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405. ??????j!-@

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410. ????F ?

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412. ???6M

413. 9?!???D~???.*?

414. ??9?????

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418. 67 ( . ? ? E?!???:U??? %0!:-)83I0I?)*_??C???jxC??? . ? ? .-$b)$???b :????G?J %0/?` ?? ?

419. ??9?_??Mc= c . Industrial Electrode *$! `

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421. !D6*U ?!?? ?=??6*U=$H

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427. H

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430. ')Z!H

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436. ?? ? ??/???? ??? !?! ? ??#??? ?? ?@·????xC ) ???FE!??('??j ( H

437. ` ) ? (

438. ?? ? ??/???? ??? !?! ? ??#??? ?? Plate Electrode ? ?

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440. H

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445. ???j!-@!, *'!-*^ I??IX'4'3?) ?? ) ?? .(

446. H

447. ` ) ?? ( ` H

448. ??

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540. ?? ? ??/???? ??? !?! ? ??#??? ??

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546. H

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