IEC 60384-18-1:2007 is a blank detail specification and is a supplementary document to the sectional specification and contains requirements for style, layout and minimum content of detail specifications. Detail specifications not complying with these requirements may not be considered as being in accordance with IEC specifications nor shall they so be described. This second edition cancels and replaces the first edition published in 1993 and its amendment (1998) and constitutes a technical revision. This edition constitutes a minor revision related to tables, figures and references.