Exposed Metal : A conductive part of electrical equipemnt which: (a) can be touched with the jointed finger test specified in AS 1939; and (b) is not a live part but can become live if basic insulation fails
Ministry of Business, Innovation and Employment, Glossary of terms and acronyms, Wellington, New Zealand 2010. http://wwwsosh.govt.nz/resources/glossary-u.shtml, (Occupn Hlth and Sfty - Brit) {530}