Cookies
Potřebujeme váš souhlas k využití jednotlivých dat, aby se vám mimo jiné mohly ukazovat informace týkající se vašich zájmů. Souhlas udělíte kliknutím na tlačítko „OK“.
ASTM B174-17
Standard Specification for Bunch-Stranded Copper Conductors for Electrical Conductors
Přeložit název
NORMA vydána dne 1.4.2017
Informace o normě:
Označení normy: ASTM B174-17
Datum vydání normy: 1.4.2017
Kód zboží: NS-682153
Počet stran: 5
Přibližná hmotnost: 15 g (0.03 liber)
Země: Americká technická norma
Kategorie: Technické normy ASTM
Kategorie - podobné normy:
Anotace textu normy ASTM B174-17 :
This specification covers bare bunch-stranded conductors made from round copper wires, either uncoated or coated with tin, lead, or lead-alloy for use as electrical conductors. Coated wires shall include only those wires with finished diameters and densities substantially equal to the respective diameters and densities of uncoated wires. Bunch-stranded conductors are classified as Class I, Class J, Class K, Class L, Class M, Class O, Class P, and Class Q, according to wire diameter. Requirements for conductor joints, lay length, wires, and strand construction are given. Electrical and elongation tests of wires composing the conductors shall be performed. If a tinning, lead-coating, or lead-alloy-coating test is required, it shall be made on the wires prior to stranding. The methods of determining mass, cross sections, and electrical resistance are detailed. The density of copper to be taken in the calculations is prescribed.
Keywords:
bunch-stranded copper conductors, copper electrical conductor, electrical conductor, electrical conductor´copper, stranded copper conductor,, ICS Number Code 29.060.20 (Cables)
Doplňující informace
| 1. Scope | ||||||||||||||||
|
1.1 This specification covers bare bunch-stranded conductors made from round copper wires, either uncoated or coated with tin, lead, or lead-alloy for use as electrical conductors (Explanatory Note 1 and Explanatory Note 2). 1.2 Coated wires shall include only those wires with finished diameters and densities substantially equal to the respective diameters and densities of uncoated wires. 1.3 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the standard. 1.3.1 For conductor sizes designated by AWG or kcmil, the requirements in SI units have been numerically converted from corresponding values, stated or derived, in inch-pound units. For conductor sizes designated by SI units only, the requirements are stated or derived in SI units. 1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee. |
||||||||||||||||
| 2. Referenced Documents | ||||||||||||||||
|
Doporučujeme:
Aktualizace zákonů
Chcete mít jistotu o platnosti užívaných předpisů?
Nabízíme Vám řešení, abyste mohli používat stále platné (aktuální) legislativní předpisy.
Chcete vědět více informací? Podívejte se na tuto stránku.
