{"id":2075,"date":"2025-02-28T21:49:24","date_gmt":"2025-02-28T13:49:24","guid":{"rendered":"https:\/\/led.amasly.com\/?p=2075"},"modified":"2025-03-07T22:17:24","modified_gmt":"2025-03-07T14:17:24","slug":"normy-pro-nevybusne-rozvodne-skrine-a-otazky-instalace","status":"publish","type":"post","link":"https:\/\/led.amasly.com\/cs\/zarizeni-odolna-proti-vybuchu\/normy-pro-nevybusne-rozvodne-skrine-a-otazky-instalace\/","title":{"rendered":"Normy pro nev\u00fdbu\u0161n\u00e9 rozvodn\u00e9 sk\u0159\u00edn\u011b a ot\u00e1zky instalace"},"content":{"rendered":"

P<\/strong>reambulace<\/strong><\/strong><\/h2>\n\n\n\n

S neust\u00e1l\u00fdm rozvojem pr\u016fmyslu roste i \u0161ance na pou\u017eit\u00ed nev\u00fdbu\u0161n\u00fdch rozvodnic.<\/p>\n\n\n\n

Nev\u00fdbu\u0161n\u00e9 rozvodn\u00e9 sk\u0159\u00edn\u011b se pou\u017e\u00edvaj\u00ed p\u0159edev\u0161\u00edm v uheln\u00fdch dolech, po\u017e\u00e1rn\u00edch stanic\u00edch, ropn\u00fdch, petrochemick\u00fdch za\u0159\u00edzen\u00edch a textiln\u00edch a jin\u00fdch provozech. ho\u0159lav\u00e1 a v\u00fdbu\u0161n\u00e1 m\u00edsta<\/strong>. Tato m\u00edsta jsou n\u00e1chyln\u011bj\u0161\u00ed k ochrann\u00fdm nehod\u00e1m. Proto je t\u0159eba p\u0159i v\u00fdb\u011bru rozvodn\u00e9 sk\u0159\u00edn\u011b v\u011bnovat v\u011bt\u0161\u00ed pozornost ochran\u011b za\u0159\u00edzen\u00ed.<\/p>\n\n\n\n

Specifick\u00e9 normy pro nev\u00fdbu\u0161n\u00e9 rozv\u00e1d\u011b\u010de<\/strong><\/strong><\/h2>\n\n\n\n

I. Obecn\u00e9 normy pro nev\u00fdbu\u0161n\u00e9 rozv\u00e1d\u011b\u010de<\/strong><\/strong><\/h3>\n\n\n\n

Ukazatele technologie v\u00fdroby distribu\u010dn\u00edch box\u016f, kter\u00e9 spl\u0148uj\u00ed specifikace a po\u017eadavky na konstrukci, a v souladu s ustanoven\u00edmi norem pro prov\u00e1d\u011bn\u00ed v\u00fdrobk\u016f, kter\u00e9 se maj\u00ed vyr\u00e1b\u011bt.<\/p>\n\n\n\n

V\u0161echny sou\u010d\u00e1sti a technick\u00e9 parametry mus\u00ed b\u00fdt v souladu s po\u017eadavky na konstrukci podle n\u00e1rodn\u00ed normy GB7251, v\u00fdroba vzork\u016f mus\u00ed b\u00fdt p\u0159ed plnou v\u00fdrobou ozn\u00e1mena konstruk\u010dn\u00ed jednotce, dozoru, konstruk\u010dn\u00ed jednotce p\u0159\u00edslu\u0161n\u00fdch pracovn\u00edk\u016f.<\/p>\n\n\n\n

II.<\/strong> nev\u00fdbu\u0161n\u00fd rozv\u00e1d\u011b\u010d \u010d\u00e1st t\u011bla sk\u0159\u00edn\u011b<\/strong><\/strong><\/h3>\n\n\n\n

Rozvodn\u00e1 sk\u0159\u00ed\u0148ka je z nerezov\u00e9 oceli (materi\u00e1l z nerezov\u00e9 oceli je Baosteel 304 nebo vy\u0161\u0161\u00ed), barva je z nerezov\u00e9 oceli, tlou\u0161\u0165ka sk\u0159\u00ed\u0148ky nen\u00ed men\u0161\u00ed ne\u017e 4,0 mm.<\/p>\n\n\n\n

III.<\/strong> sou\u010d\u00e1sti nev\u00fdbu\u0161n\u00e9ho boxu<\/strong><\/strong><\/h3>\n\n\n\n

Elektrick\u00e9 sou\u010d\u00e1sti v rozvodn\u00e9 sk\u0159\u00edni\/rozvad\u011b\u010di by m\u011bly spl\u0148ovat p\u0159\u00edslu\u0161n\u00e9 p\u0159edpisy a m\u011bly by si zachovat svou elektrickou vzd\u00e1lenost a vzd\u00e1lenost pr\u016fchodu za norm\u00e1ln\u00edch podm\u00ednek pou\u017e\u00edv\u00e1n\u00ed; odkryt\u00e9 vodi\u010de a svorky pod nap\u011bt\u00edm v rozvad\u011b\u010di, jejich elektrick\u00e1 vzd\u00e1lenost a vzd\u00e1lenost pr\u016fchodu nebo n\u00e1razov\u00e9 v\u00fddr\u017en\u00e9 nap\u011bt\u00ed by m\u011bly b\u00fdt alespo\u0148 v souladu s p\u0159\u00edslu\u0161n\u00fdmi p\u0159edpisy elektrick\u00fdch sou\u010d\u00e1st\u00ed, kter\u00e9 jsou k nim p\u0159\u00edmo p\u0159ipojeny.<\/p>\n\n\n\n

VI.<\/strong> mont\u00e1\u017en\u00ed linka skupiny nev\u00fdbu\u0161n\u00fdch rozv\u00e1d\u011b\u010d\u016f<\/strong><\/strong><\/h3>\n\n\n\n

Elektroinstalace v\u0161echny spojovac\u00ed prvky jsou pou\u017eity pozinkovan\u00e9 d\u00edly, sekund\u00e1rn\u00ed zapojen\u00ed je t\u0159eba pou\u017e\u00edt \u010dern\u00fd dr\u00e1t, a p\u0159idat pl\u00e1\u0161\u0165 sekvence; box m\u011b\u0159ic\u00edch p\u0159\u00edstroj\u016f ve vodi\u010di by m\u011bl b\u00fdt dob\u0159e smaltovan\u00e9 c\u00ednu; vrstven\u00e9 rozvodn\u00e9 krabice zapojen\u00ed by m\u011blo b\u00fdt pova\u017eov\u00e1no za trunking dovnit\u0159 a ven.<\/p>\n\n\n\n

Svorky sp\u00edna\u010d\u016f by m\u011bly odpov\u00eddat pr\u016f\u0159ezu vodi\u010d\u016f; vodi\u010de po instalaci sou\u010d\u00e1stek by m\u011bly b\u00fdt \u00fahledn\u011b uspo\u0159\u00e1d\u00e1ny a sv\u00e1z\u00e1ny do svazku nylonovou p\u00e1skou, kter\u00fd se upevn\u00ed za desku.<\/p>\n\n\n\n

Nev\u00fdbu\u0161n\u00fd rozvad\u011b\u010d - proces pou\u017e\u00edv\u00e1n\u00ed b\u011b\u017en\u00fdch tabu<\/strong><\/strong><\/h2>\n\n\n\n

I. Pou\u017eit\u00ed d\u0159ev\u011bn\u00fdch materi\u00e1l\u016f bez protipo\u017e\u00e1rn\u00ed \u00fapravy<\/strong><\/strong><\/h3>\n\n\n\n

D\u016fsledky<\/strong>: osv\u011btlovac\u00ed nev\u00fdbu\u0161n\u00e1 rozvodn\u00e1 sk\u0159\u00ed\u0148 (deska), pokud je vyrobena ze d\u0159eva na vlhk\u00e9m a pra\u0161n\u00e9m m\u00edst\u011b, snadno plesniv\u00ed, unik\u00e1; krom\u011b toho d\u0159ev\u011bn\u00e1 sk\u0159\u00ed\u0148 (deska) neproch\u00e1z\u00ed protipo\u017e\u00e1rn\u00ed \u00fapravou, snadno zp\u016fsob\u00ed po\u017e\u00e1r, p\u0159edstavuje bezpe\u010dnostn\u00ed riziko.<\/p>\n\n\n\n

Opat\u0159en\u00ed<\/strong>: Aby bylo zaji\u0161t\u011bno bezpe\u010dn\u00e9 pou\u017e\u00edv\u00e1n\u00ed, osv\u011btlovac\u00ed nev\u00fdbu\u0161n\u00e9 rozvodnice (desky) jsou <\/strong>po\u017eadovan\u00e9 nesm\u00ed b\u00fdt vyrobeny z ho\u0159lav\u00fdch materi\u00e1l\u016f.<\/strong> D\u0159ev\u011bn\u00e9 nev\u00fdbu\u0161n\u00e9 rozvodn\u00e9 sk\u0159\u00edn\u011b (desky) by m\u011bly b\u00fdt p\u0159ed pou\u017eit\u00edm i v such\u00fdch a bezpra\u0161n\u00fdch m\u00edstech opat\u0159eny neho\u0159lavou \u00fapravou.<\/p>\n\n\n\n

II.<\/strong> rozvodn\u00e9 sk\u0159\u00edn\u011b do pole neprov\u00e1d\u011bla inspekci.<\/strong><\/strong><\/h3>\n\n\n\n

D\u016fsledky<\/strong>: osv\u011btlovac\u00ed nev\u00fdbu\u0161n\u00fd rozvad\u011b\u010d (deska) bez kontroly, po instalaci se \u010dasto nach\u00e1z\u00ed ve sv\u00e9m druh\u00e9m pat\u0159e bez speci\u00e1ln\u00edch uzem\u0148ovac\u00edch \u0161roub\u016f, mal\u00fd pr\u016f\u0159ez ochrann\u00e9ho uzem\u0148ovac\u00edho vodi\u010de, existuj\u00ed elektrick\u00e9 spot\u0159ebi\u010de, kter\u00e9 lze otev\u0159\u00edt dve\u0159e a hol\u00fd m\u011bd\u011bn\u00fd ohebn\u00fd vodi\u010d kovov\u00e9ho r\u00e1mu nen\u00ed spolehliv\u00e9 spojen\u00ed, vodi\u010de a elektrick\u00e9 spot\u0159ebi\u010de nejsou p\u0159ipojeny k pevn\u00e9mu, doch\u00e1z\u00ed k jevu anti-loop. \u0160rouby a matice nevy\u017eaduj\u00ed pozinkovan\u00e9 \u010d\u00e1sti a pr\u016fm\u011br dr\u00e1tu nespl\u0148uje po\u017eadavky. Chyb\u00ed barevn\u00e9 zna\u010den\u00ed a nen\u00ed k dispozici kartov\u00e1 sk\u0159\u00ed\u0148 ani sch\u00e9mata elektrick\u00fdch obvod\u016f. Rozlo\u017een\u00ed a rozestupy elektrick\u00fdch spot\u0159ebi\u010d\u016f nejsou p\u0159im\u011b\u0159en\u00e9 a \u00fapravy zpo\u017ed\u011bn\u00e9ho harmonogramu se projev\u00ed i na kvalit\u011b.<\/p>\n\n\n\n

Opat\u0159en\u00ed<\/strong>: v prvn\u00ed \u0159ad\u011b p\u0159i zpracov\u00e1n\u00ed objedn\u00e1vek, aby v\u00fdrobci technick\u00fdch po\u017eadavk\u016f v souladu s n\u00e1vrhem a normami a standardy, v\u00fdrobci vyrobit vzorky, kontrola a reprodukce po absolvov\u00e1n\u00ed; v\u00fdrobky do ter\u00e9nu, by m\u011bly b\u00fdt v p\u0159\u00edsn\u00e9m souladu s n\u00e1vrhem, normami a standardy po\u017eadavk\u016f na kontrolu a p\u0159ijet\u00ed, potvrdit, \u017ee instalace po absolvov\u00e1n\u00ed.<\/p>\n\n\n\n

III.<\/strong> instalace nen\u00ed pevn\u00e1 v\u00fd\u0161kov\u00e1 \u00farove\u0148 nespl\u0148uje po\u017eadavky<\/strong><\/strong><\/h3>\n\n\n\n

D\u016fsledky<\/strong>: V\u00fd\u0161ka instalace nev\u00fdbu\u0161n\u00e9ho rozvad\u011b\u010de osv\u011btlen\u00ed (panelu) neodpov\u00edd\u00e1 p\u0159edpis\u016fm, instalace nen\u00ed pevn\u00e1 a rozvad\u011b\u010d nen\u00ed svisl\u00fd. P\u0159i instalaci ve tm\u011b nejsou okraje kolem panelu bl\u00edzko st\u011bny, co\u017e ovliv\u0148uje vyu\u017eit\u00ed funkce, v\u00fdhled nen\u00ed dobr\u00fd.<\/p>\n\n\n\n

\"\"<\/figure><\/div>\n\n\n\n

Opat\u0159en\u00ed<\/strong>: V\u00fd\u0161ka by m\u011bla spl\u0148ovat po\u017eadavky na n\u00e1vrh. Pokud nen\u00ed n\u00e1vrh specifikov\u00e1n, m\u011bla by b\u00fdt v\u00fd\u0161ka spodn\u00ed hrany nev\u00fdbu\u0161n\u00e9ho rozvad\u011b\u010de osv\u011btlen\u00ed od zem\u011b 1,5 m a v\u00fd\u0161ka spodn\u00ed hrany rozvad\u011b\u010de osv\u011btlen\u00ed od zem\u011b 1,8 m. Rozvodnice (deska) osv\u011btlen\u00ed odoln\u00e1 proti v\u00fdbuchu by m\u011bla b\u00fdt instalov\u00e1na bezpe\u010dn\u011b a p\u0159\u00edpustn\u00e1 odchylka kolmosti instalace by nem\u011bla b\u00fdt v\u011bt\u0161\u00ed ne\u017e 3 mm a kolem rozvodnice odoln\u00e9 proti v\u00fdbuchu by nem\u011bly b\u00fdt \u017e\u00e1dn\u00e9 mezery, pokud je instalov\u00e1na ve tm\u011b, okraje desky kolem desky by m\u011bly b\u00fdt t\u011bsn\u011b u st\u011bny a sty\u010dn\u00e9 \u010d\u00e1sti t\u011blesa rozvodnice a budov a konstrukc\u00ed by m\u011bly b\u00fdt nat\u0159eny antikorozn\u00edm n\u00e1t\u011brem. M\u011bla by b\u00fdt pou\u017eita antikorozn\u00ed barva.<\/p>\n\n\n\n

IV.<\/strong> k\u0159\u00ed\u017eek na \u0159\u00e1dku pol\u00ed\u010dka neuspo\u0159\u00e1dan\u00fd do svazku<\/strong><\/strong><\/h3>\n\n\n\n

D\u016fsledky<\/strong>: veden\u00ed v rozvodn\u00e9 krabici (desce) osv\u011btlen\u00ed odoln\u00e9 proti v\u00fdbuchu je neuspo\u0159\u00e1dan\u00e9 a druh\u00e1 deska v krabici tla\u010d\u00ed na otvor v potrub\u00ed, co\u017e ovliv\u0148uje vstup vodi\u010d\u016f do krabice. Pokud je nucen\u011b vm\u00e1\u010dknuta dovnit\u0159, dojde \u010dasem k po\u0161kozen\u00ed izolace vodi\u010d\u016f, co\u017e snadno vy\u00fast\u00ed ve zkrat. A znep\u0159\u00edjem\u0148uj\u00ed \u00fadr\u017ebu, ovliv\u0148uj\u00ed v\u00fdhled.<\/p>\n\n\n\n

Opat\u0159en\u00ed<\/strong>: osv\u011btlen\u00ed nev\u00fdbu\u0161n\u00e9 rozvodn\u00e9 sk\u0159\u00edn\u011b pomoc\u00ed kovov\u00fdch krabic, by m\u011blo b\u00fdt provedeno, aby se zabr\u00e1nilo korozi a korozi l\u00e9\u010dby; box v\u00fdstupn\u00ed otvory nelze otev\u0159\u00edt sva\u0159ov\u00e1n\u00edm, trubka otvor, z\u00e1vit by m\u011bl b\u00fdt chr\u00e1n\u011bn p\u0159ed kovov\u00e9 krabice otvory; linky jsou \u00fahledn\u011b uspo\u0159\u00e1d\u00e1ny, do boxu potrub\u00ed pozice je rozumn\u011b uspo\u0159\u00e1d\u00e1ny. Nedovolte, aby druh\u00e1 podlahov\u00e1 deska k tlaku potrub\u00ed p\u0159\u00edli\u0161 t\u011bsn\u00e1. Vodi\u010de v krabici by m\u011bly b\u00fdt polo\u017eeny v p\u0159\u00edm\u00e9 linii kolem krabice a \u00fahledn\u011b sv\u00e1z\u00e1ny do svazk\u016f.<\/p>\n\n\n\n

V. Ne N, PE p\u0159\u00edpojnice v elektrick\u00e9 sk\u0159\u00edni<\/strong><\/strong><\/h3>\n\n\n\n

D\u016fsledky<\/strong>: P\u0159\u00edpojnice N a PE nejsou osazeny v nev\u00fdbu\u0161n\u00e9m rozvad\u011b\u010di (desce) pro osv\u011btlen\u00ed, kter\u00fd nem\u016f\u017ee zajistit bezpe\u010dn\u00fd provoz veden\u00ed.<\/p>\n\n\n\n

\"\"<\/a><\/figure><\/div>\n\n\n\n

Opat\u0159en\u00ed<\/strong>: Osv\u011btlovac\u00ed nev\u00fdbu\u0161n\u00fd rozv\u00e1d\u011b\u010d (deska) se z\u0159izuje v nulov\u00e9m veden\u00ed (veden\u00ed N) a ochrann\u00e9m uzem\u0148ovac\u00edm veden\u00ed (veden\u00ed PE) sb\u011brnice, nulov\u00e9 veden\u00ed a ochrann\u00e9 uzem\u0148ovac\u00ed veden\u00ed by m\u011bly b\u00fdt p\u0159ipojeny ke sb\u011brnici, nespojov\u00e1ny a \u010d\u00edslov\u00e1ny.<\/p>\n\n\n\n

VI. Nespr\u00e1vn\u011b zapojen\u00e9 \u0161roubov\u00e9 pojistky<\/strong><\/strong><\/h3>\n\n\n\n

D\u016fsledky<\/strong>: \u0160roubov\u00e1 pojistka instalovan\u00e1 v nev\u00fdbu\u0161n\u00e9 rozvodn\u00e9 sk\u0159\u00edni (desce) osv\u011btlen\u00ed nen\u00ed spr\u00e1vn\u011b p\u0159ipojena a nap\u00e1jec\u00ed kabel je p\u0159ipojen ke svorce se z\u00e1vitem, co\u017e m\u00e1 vliv na v\u00fdm\u011bnu j\u00e1dra pojistky. A nespr\u00e1vn\u00e1 obsluha m\u016f\u017ee snadno v\u00e9st k \u00farazu elektrick\u00fdm proudem.<\/p>\n\n\n\n

Opat\u0159en\u00ed<\/strong>: Pro zaji\u0161t\u011bn\u00ed bezpe\u010dnosti by m\u011blo b\u00fdt nap\u00e1jec\u00ed veden\u00ed \u0161roubov\u00e9 pojistky instalovan\u00e9 v nev\u00fdbu\u0161n\u00e9 rozvodn\u00e9 sk\u0159\u00edni (desce) osv\u011btlen\u00ed p\u0159ipojeno ke svorce st\u0159edov\u00e9ho kontaktu a z\u00e1t\u011b\u017eov\u00e9 veden\u00ed by m\u011blo b\u00fdt p\u0159ipojeno ke svorce se z\u00e1vitem.<\/p>\n\n\n\n

VII.<\/strong> ochrann\u00e9 veden\u00ed nen\u00ed na sv\u00e9m m\u00edst\u011b pr\u016fm\u011br veden\u00ed nespl\u0148uje po\u017eadavky<\/strong><\/strong><\/h3>\n\n\n\n

D\u016fsledky<\/strong>: osv\u011btlen\u00ed nev\u00fdbu\u0161n\u00fd rozv\u00e1d\u011b\u010d (deska) ochrann\u00e9 veden\u00ed nen\u00ed uspo\u0159\u00e1d\u00e1no od svorky, ale r\u00e1mem krabice v s\u00e9rii, pr\u016fm\u011br vodi\u010de nen\u00ed nastaven podle po\u017eadavk\u016f, nev\u00fdbu\u0161n\u00fd rozv\u00e1d\u011b\u010d dve\u0159e nap\u011bt\u00ed nad bezpe\u010dnost za\u0159\u00edzen\u00ed nem\u00e1 ochrannou zem, snadno dojde k bezpe\u010dnostn\u00edm nehod\u00e1m.<\/p>\n\n\n\n

\"\"<\/figure><\/div>\n\n\n\n

Opat\u0159en\u00ed<\/strong>: podle po\u017eadavk\u016f specifikace by m\u011bla b\u00fdt osv\u011btlovac\u00ed nev\u00fdbu\u0161n\u00e1 rozvodn\u00e1 sk\u0159\u00ed\u0148 (deska) z\u0159\u00edzena v r\u00e1mci ochrann\u00e9 zemnic\u00ed sb\u011brnice, sb\u011brnice by m\u011bla b\u00fdt p\u0159ipojena k ochrann\u00e9mu uzemn\u011bn\u00ed; plocha pr\u016f\u0159ezu ochrann\u00e9ho zemnic\u00edho vodi\u010de by nem\u011bla b\u00fdt men\u0161\u00ed ne\u017e plocha pr\u016f\u0159ezu od zdroje nap\u00e1jen\u00ed k nejv\u011bt\u0161\u00edmu p\u0159\u00edvodu elektrick\u00fdch spot\u0159ebi\u010d\u016f; m\u011bla by v\u0161ak b\u00fdt tak\u00e9 zvolena v souladu s p\u0159\u00edslu\u0161n\u00fdmi p\u0159edpisy; nev\u00fdbu\u0161n\u00e1 rozvodn\u00e1 sk\u0159\u00ed\u0148 (deska) by m\u011bla b\u00fdt pevn\u011b a dob\u0159e uzemn\u011bna, mus\u00ed b\u00fdt k dispozici blokovac\u00ed za\u0159\u00edzen\u00ed<\/strong>; 50V nebo v\u00edce ne\u017e otev\u00edrac\u00ed dve\u0159e elektrick\u00e9ho za\u0159\u00edzen\u00ed, pohybliv\u00e9 panely by m\u011bly b\u00fdt spojeny s uzemn\u011bn\u00fdm Dobr\u00fd kovov\u00fd r\u00e1m s hol\u00fdm m\u011bd\u011bn\u00fdm ohebn\u00fdm dr\u00e1tem spolehliv\u00e9 spojen\u00ed; hol\u00fd m\u011bd\u011bn\u00fd dr\u00e1t pr\u016f\u0159ez by m\u011bl b\u00fdt tak\u00e9 zvolen v souladu s ustanoven\u00edmi; tlou\u0161\u0165ka st\u011bny men\u0161\u00ed ne\u017e 2,5 mm kovov\u00e9 krabice a krabice, by nem\u011bly b\u00fdt pou\u017eity jako potrub\u00ed p\u0159\u00ed\u010dn\u00e9 uzem\u0148ovac\u00ed veden\u00ed a elektrick\u00e9 spot\u0159ebi\u010de k ochran\u011b uzem\u0148ovac\u00edho veden\u00ed tlakov\u00e9ho kontaktn\u00edho bodu.<\/p>\n\n\n\n

VIII. N\u00e1zev obvodu nen\u00ed na brzd\u011b ozna\u010den<\/strong><\/strong><\/h3>\n\n\n\n

D\u016fsledky<\/strong>: Brzda v nev\u00fdbu\u0161n\u00e9m rozvad\u011b\u010di osv\u011btlen\u00ed (desce) nen\u00ed ozna\u010dena n\u00e1zvem obvodu, co\u017e p\u0159in\u00e1\u0161\u00ed nep\u0159\u00edjemnosti p\u0159i pou\u017e\u00edv\u00e1n\u00ed a \u00fadr\u017eb\u011b.<\/p>\n\n\n\n

Opat\u0159en\u00ed<\/strong>: Obecn\u011b plat\u00ed, \u017ee v souladu s po\u017eadavky p\u0159edpis\u016f a norem jsou dve\u0159e nev\u00fdbu\u0161n\u00e9ho rozv\u00e1d\u011b\u010de osv\u011btlen\u00ed (desky). by m\u011bla b\u00fdt opat\u0159ena sch\u00e9matem obvodov\u00e9ho syst\u00e9mu.<\/strong>, a n\u00e1zev obvodu by m\u011bl b\u00fdt ozna\u010den na brzd\u011b, zejm\u00e9na pokud jsou v nev\u00fdbu\u0161n\u00e9m rozvad\u011b\u010di (desce) osv\u011btlen\u00ed st\u0159\u00eddav\u00e9, stejnosm\u011brn\u00e9 nebo r\u016fzn\u00e9 \u00farovn\u011b nap\u00e1jen\u00ed, m\u011bl by b\u00fdt jasn\u011b ozna\u010den.<\/p>","protected":false},"excerpt":{"rendered":"

Preamble With the continuous development of industry, the chance of using explosion-proof distribution boxes is also rising. Explosion-proof distribution boxes are mainly used in coal mines, fire stations, petroleum, petrochemical installations and textile and other flammable and explosive places. These places are more prone to protection accidents. So in the choice of power distribution box […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_uag_custom_page_level_css":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[8],"tags":[],"class_list":["post-2075","post","type-post","status-publish","format-standard","hentry","category-explosion-proof-equipment"],"uagb_featured_image_src":{"full":false,"thumbnail":false,"medium":false,"medium_large":false,"large":false,"1536x1536":false,"2048x2048":false,"trp-custom-language-flag":false},"uagb_author_info":{"display_name":"Joe","author_link":"https:\/\/led.amasly.com\/cs\/author\/jacklin\/"},"uagb_comment_info":0,"uagb_excerpt":"Preamble With the continuous development of industry, the chance of using explosion-proof distribution boxes is also rising. Explosion-proof distribution boxes are mainly used in coal mines, fire stations, petroleum, petrochemical installations and textile and other flammable and explosive places. These places are more prone to protection accidents. So in the choice of power distribution box…","_links":{"self":[{"href":"https:\/\/led.amasly.com\/cs\/wp-json\/wp\/v2\/posts\/2075","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/led.amasly.com\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/led.amasly.com\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/led.amasly.com\/cs\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/led.amasly.com\/cs\/wp-json\/wp\/v2\/comments?post=2075"}],"version-history":[{"count":2,"href":"https:\/\/led.amasly.com\/cs\/wp-json\/wp\/v2\/posts\/2075\/revisions"}],"predecessor-version":[{"id":2346,"href":"https:\/\/led.amasly.com\/cs\/wp-json\/wp\/v2\/posts\/2075\/revisions\/2346"}],"wp:attachment":[{"href":"https:\/\/led.amasly.com\/cs\/wp-json\/wp\/v2\/media?parent=2075"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/led.amasly.com\/cs\/wp-json\/wp\/v2\/categories?post=2075"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/led.amasly.com\/cs\/wp-json\/wp\/v2\/tags?post=2075"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}