BS EN 60027-1:2006+A2:2007 - Page 2

BS EN 60027-1:2006 gives information about general quantities, units and their letter symbols and mathematical symbols that are to be used in electrical technology. It also gives rules for writing and printing these symbols and for the use of additional marks (subscripts, superscripts, etc.) with symbols for quantities.

BS EN 60027-1 contains:

• Recommendations for printing symbols and numbers
• General recommendations for time-dependent quantities
• General recommendations for quantities and their units, selected constrantsand signs.

Amendments have been made to Section 1: Recommendations for printing symbols and numbers.