1. Scope 1.1 This specification covers hard-drawn round copper wire for electrical purposes. 1.2 The SI values for density and resistivity are to be regarded as the standard. For all other properties the inch-pound values are to be regarded as the standard and the SI units may be approximate. 1.3 The hazard statement pertains only to Section 6, Test Methods, of this specification. This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.