[{"@context":"https:\/\/schema.org\/","@type":"Article","@id":"https:\/\/www.alsvar.cz\/co-se-stane-kdyz-nemate-na-dome-hromosvod\/#Article","mainEntityOfPage":"https:\/\/www.alsvar.cz\/co-se-stane-kdyz-nemate-na-dome-hromosvod\/","headline":"Co se stane, kdy\u017e nem\u00e1te na dom\u011b hromosvod","name":"Co se stane, kdy\u017e nem\u00e1te na dom\u011b hromosvod","description":"Revize hromosvod\u016f je \u010dinnost, kterou zaji\u0161\u0165uj\u00ed elektrik\u00e1\u0159i, a mo\u017en\u00e1, \u017ee v\u00e1m bude p\u0159ipadat zd\u00e1nliv\u011b nesmysln\u00e1, a \u017ee jsou to jen dal\u0161\u00ed a dal\u0161\u00ed pen\u00edze, kter\u00e9 v\u00e1m n\u011bkdo tah\u00e1 \u00famysln\u011b z kapes. Ve skute\u010dnosti tomu tak samoz\u0159ejm\u011b nen\u00ed, proto\u017ee jestli\u017ee hromosvod nepln\u00ed dob\u0159e svou funkci, je to podobn\u00e9, jako kdyby na dom\u011b \u017e\u00e1dn\u00fd hromosvod instalovan\u00fd nebyl. […]","datePublished":"2023-03-19","dateModified":"2023-04-24","author":{"@type":"Person","@id":"https:\/\/www.alsvar.cz\/author\/#Person","name":"","url":"https:\/\/www.alsvar.cz\/author\/","identifier":1,"image":{"@type":"ImageObject","@id":"https:\/\/secure.gravatar.com\/avatar\/d7705a23c50ede72936119380238a88bdeb91030521f9262dc3abc6fdd8add33?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/d7705a23c50ede72936119380238a88bdeb91030521f9262dc3abc6fdd8add33?s=96&d=mm&r=g","height":96,"width":96}},"publisher":{"@type":"Organization","name":"alsvar.cz","logo":{"@type":"ImageObject","@id":"\/logo.png","url":"\/logo.png","width":600,"height":60}},"image":{"@type":"ImageObject","@id":"https:\/\/www.alsvar.cz\/wp-content\/uploads\/thunder-g6e5e523dd_640.jpg","url":"https:\/\/www.alsvar.cz\/wp-content\/uploads\/thunder-g6e5e523dd_640.jpg","height":0,"width":0},"url":"https:\/\/www.alsvar.cz\/co-se-stane-kdyz-nemate-na-dome-hromosvod\/","about":["Byznys"],"wordCount":406,"articleBody":"      Revize hromosvod\u016f je \u010dinnost, kterou zaji\u0161\u0165uj\u00ed elektrik\u00e1\u0159i, a mo\u017en\u00e1, \u017ee v\u00e1m bude p\u0159ipadat zd\u00e1nliv\u011b nesmysln\u00e1, a \u017ee jsou to jen dal\u0161\u00ed a dal\u0161\u00ed pen\u00edze, kter\u00e9 v\u00e1m n\u011bkdo tah\u00e1 \u00famysln\u011b z kapes. Ve skute\u010dnosti tomu tak samoz\u0159ejm\u011b nen\u00ed, proto\u017ee jestli\u017ee hromosvod nepln\u00ed dob\u0159e svou funkci, je to podobn\u00e9, jako kdyby na dom\u011b \u017e\u00e1dn\u00fd hromosvod instalovan\u00fd nebyl. A co se stane, pokud hromosvod nem\u00e1te funk\u010dn\u00ed, a \u201en\u00e1hodou\u201c do va\u0161eho domu uhod\u00ed bleskov\u00fd v\u00fdboj?Blesk proch\u00e1z\u00ed cestou nejmen\u0161\u00edho odporu \u2013 blesk se chov\u00e1 tak, \u017ee postupuje vlivem gravitace do zem\u011b nejkrat\u0161\u00ed cestou, respektive tudy, kudy mu nic a nikdo nebr\u00e1n\u00ed v cest\u011b. M\u016f\u017eete si to p\u0159edstavit nap\u0159\u00edklad tak, \u017ee se blesk stref\u00ed do st\u0159e\u0161n\u00edho okapu a odtud putuje po kovov\u00fdch p\u0159edm\u011btech dol\u016f, tak\u017ee cestou zas\u00e1hne okenn\u00ed parapety, z\u00e1bradl\u00ed na balkon\u011b \u010di na terase a z\u00e1bradl\u00ed na vn\u011bj\u0161\u00edm schodi\u0161ti. Jakmile se tu v\u0161ak setk\u00e1 s n\u011bjakou p\u0159ek\u00e1\u017ekou, kterou nelze obej\u00edt, m\u016f\u017ee se kovov\u00fd p\u0159edm\u011bt v tomto m\u00edst\u011b roz\u017ehavit a zap\u00e1lit ho\u0159lav\u00e9 p\u0159edm\u011bty pobl\u00ed\u017e. To sam\u00e9 se ov\u0161em stane, pokud je po\u0161kozen\u00fd hromosvod, proto\u017ee blesk tu naraz\u00ed na siln\u00fd odpor ocelov\u00e9ho dr\u00e1tu \u010di svorek, a ty se mohou roz\u017ehavit a rovn\u011b\u017e n\u011bco za\u017eehnout.Po\u017e\u00e1r je nevyhnuteln\u00fd \u2013 jestli\u017ee je hromosvod zcela v po\u0159\u00e1dku, blesk po n\u011bm do zem\u011b sjede velmi rychle a bez p\u0159ek\u00e1\u017eek, tak\u017ee k \u017e\u00e1dn\u00e9mu po\u017e\u00e1ru nem\u016f\u017ee doj\u00edt. Ale v opa\u010dn\u00e9m p\u0159\u00edpad\u011b je ka\u017ed\u00fd \u00fader blesku obrovsk\u00e9 riziko, proto\u017ee bleskov\u00e9 v\u00fdboje dok\u00e1\u017eou vyvinout zna\u010dn\u00e9 mno\u017estv\u00ed tepla, kter\u00e9 zap\u00e1l\u00ed i vzd\u00e1len\u011bj\u0161\u00ed stavebn\u00ed konstrukci, nap\u0159\u00edklad st\u0159e\u0161n\u00ed lat\u011b, podbit\u00ed, tr\u00e1mky, okenice atd.Smrteln\u00fd \u00faraz \u2013 \u017ee blesky dovedou zab\u00edjet, v\u00ed snad ka\u017ed\u00fd, ov\u0161em t\u00fdk\u00e1 se to i prostor nezabezpe\u010den\u00fdch hromosvodem. V okam\u017eiku, kdy se n\u011bkdo zdr\u017euje v bl\u00edzkosti kovov\u00fdch p\u0159edm\u011bt\u016f, jako jsou ji\u017e zm\u00edn\u011bn\u00e9 okapov\u00e9 roury, okenn\u00ed kovov\u00e9 parapety, kliky na oknech, ant\u00e9nn\u00ed svody, z\u00e1bradl\u00ed a r\u016fzn\u00e9 kovov\u00e9 dekorace, m\u016f\u017ee se mu to st\u00e1t osudn\u00fdm.                                                                                                                                                                                                                                                                                                                                                                                          3.7\/5 - (14 votes)        "},{"@context":"https:\/\/schema.org\/","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Co se stane, kdy\u017e nem\u00e1te na dom\u011b hromosvod","item":"https:\/\/www.alsvar.cz\/co-se-stane-kdyz-nemate-na-dome-hromosvod\/#breadcrumbitem"}]}]