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IEC 60364-7-753-ed.2.0
Low-voltage electrical installations - Part 7-753: Requirements for special installations or locations - Heating cables and embedded heating systems
STANDARD published on 7.5.2014
The information about the standard:
Designation standards: IEC 60364-7-753-ed.2.0
Publication date standards: 7.5.2014
SKU: NS-410008
The number of pages: 26
Approximate weight : 78 g (0.17 lbs)
Country: International technical standard
Category: Technical standards IEC
The category - similar standards:
Annotation of standard text IEC 60364-7-753-ed.2.0 :
IEC 60364-7-753:2014 applies to embedded electric heating systems for surface heating. It also applies to electric heating systems for de-icing or frost prevention or similar applications. Both indoor and outdoor systems are covered. Heating systems for industrial and commercial applications complying with relevant parts of IEC 60519, IEC 62395 and IEC 60079 are not covered. This second edition cancels and replaces the first edition published in 2005 and constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: - the title has been changed from "Floor and ceiling heating systems" to "Heating cables and embedded heating systems" to align with the revised scope; - the scope has been extended and now covers embedded electric heating systems for surface heating, also electric heating systems for de-icing or frost prevention or similar applications, and covers both indoor and outdoor systems. This includes heating systems for: walls, ceiling, floors, roofs, drainpipes, gutters, pipes, stairs, roadways, non-hardened compacted areas (e.g. football fields, lawns); - for wall heating systems, this standard contains additional requirements (e.g. metal sheath/enclosure/grid) to protect against the effects of overheating caused by a short-circuit between live conductors due to penetration of an embedded heating unit; - from heating units delivered from the manufacturer without exposed-conductive-parts, this standard requires a metallic mesh grid covering. This has been reduced to 3 mm for wall heating systems; - this standard now requires that electric heating systems shall be selected and erected so as to avoid any harmful influence between the heating system and any electrical or non-electrical installations envisaged; - and this standard covers surface temperatures and now refers the reader to the appropriate IEC guide. LIEC 60364-7-753:2014 sapplique aux systemes de chauffage electriques integres pour le chauffage de surface. Elle sapplique aussi aux systemes de chauffage electriques pour le degivrage ou la prevention du gel ou pour des applications analogues. Les systemes tant interieurs quexterieurs sont couverts. Les systemes de chauffage pour les applications industrielles et commerciales conformes aux parties applicables des normes IEC 60519, IEC 62395 et IEC 60079 ne sont pas couverts. Cette deuxieme edition annule et remplace la premiere edition parue en 2005 et constitue une revision technique. Cette edition inclut les modifications techniques majeures suivantes par rapport a ledition precedente: - le titre a ete modifie de "Systemes de chauffage par sol ou plafond" en "Cables chauffants et systemes de chauffage integres" pour etre en coherence avec le nouveau domaine dapplication; - le domaine dapplication a ete etendu et couvre maintenant les systemes de chauffage electrique integres pour le chauffage de surfaces, les systemes de chauffage electrique pour le degivrage ou la prevention du gel ou des applications similaires, et couvre a la fois les systemes interieurs et exterieurs. Ceci inclut les systemes pour: murs, plafonds, sols, toits, tuyaux devacuation, gouttieres, tuyaux, escaliers, chaussees, zones compactees meubles (par exemple terrains de football, pelouses); - pour les systemes de chauffage installes dans les murs, la presente norme contient des exigences supplementaires (par exemple gaine/enveloppe/grillage metallique) pour la protection contre les echauffements dus a un court-circuit entre conducteurs actifs penetrant dans lunite de chauffage integre; - pour les unites de chauffage fournies par le constructeur sans masse, la presente norme exige un recouvrement par un grillage metallique. Celui-ci a ete reduit a 3 mm pour les systemes de chauffage installes dans les murs; - la presente norme exige maintenant que les systemes de chauffage electrique soient choisis et mis en oeuvre de maniere a eviter toute influence dommageable entre le systeme de chauffage et toute installation electrique ou non-electrique prevue; - et la presente norme traite des temperatures de surface et renvoie maintenant le lecteur au guide approprie de lIEC.
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