This standard is issued under the fixed designation B ; the number immediately 1 This specification is under the jurisdiction of ASTM Committee B- 1 on. Buy ASTM B R SPECIFICATION FOR STANDARD NOMINAL DIAMETERS AND CROSS-SECTIONAL AREAS OF AWG. ASTM B Standard Specification for Standard Nominal Diameters and Cross-Sectional Areas of AWG Sizes of Solid Round Wires Used.

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For conductor g258 designated by AWG or kcmil sizes, the requirements in SI units have been numerically converted from the corresponding values stated or derived, in inch-pound units.

Any two successive gauges e. Alternative ways are commonly used in the electrical industry to specify wire sizes as AWG.


Register for a trial account. AWG gauges are also used to describe stranded wire. Combining values of the two systems may result in nonconformance with the specification. ICS Number Code Each system shall bb258 used independently of the other. Proceed to Checkout Continue Shopping. Please first verify your email before subscribing to alerts.


Brown & Sharpe wire gauge

Already Subscribed to this document. Consecutive AWG wire sizes larger than No. Add to Alert PDF.

AWG is also commonly used to specify body piercing jewelry sizes especially smaller sizeseven when the material is not metallic. The diameter information in the table applies to solid wires. The diameter of a No. The AWG of a stranded wire astk determined by the cross-sectional area of the equivalent solid conductor.

Subscription pricing is determined by: The higher voltage, used only in large non- residential buildings, allows more than twice as much electrical power in watts to be drawn through the same gauge of wire. Table lamp wire is typically 18, while extension cords are 16, with 14 common on cords grounded for outdoor use, and 12 available. An older abbreviation for one thousand circular mils is MCM. Please first log in with a verified email before subscribing to alerts.


ASTM B258 – 18

Need more than one copy? If the document is revised or amended, you will be notified by email. For conductor sizes designated by AWG or kcmil sizes, the requirements in SI units have been numerically converted from the corresponding values stated or b2558, in inch-pound units.


This change also made light strings stiff and unsightly.

Manufacturers of wire formerly had proprietary wire gauge systems; the development of standardized wire gauges rationalized selection of wire for a particular purpose. Add to Alert PDF. For conductor sizes designated by SI units only, the requirements are stated or derived in SI units.

Already Subscribed to this document. This specification prescribes the standard nominal diameters and cross-sectional areas of American Wire Gage AWG sizes of solid round wires, used as electrical conductors, and gives equations and rules for the calculation of standard nominal mass and lengths, resistances, and breaking or rated strengths of such wires.

Need more than one copy? Link to Active This link will always route to the current Active version of the standard. In particular, the maximum permissible overcurrent protection devices may set a lower limit.

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