Preface 
 
© Siemens AG, 2004. All rights reserved 
EMC Installation Guideline – Planning Guide (EMV) – 03.2004 Edition 
vii 
 
Safety and warning concept 
The following safety and warning information is used in this document. 
Explanation of symbols used: 
 
! 
 
Danger 
Indicates an imminently hazardous situation which, if not avoided, will
 result in 
death or serious injury or in substantial property damage. 
 
 
 
! 
 
Warning 
Indicates a potentially hazardous situation which, if not avoided, could
 result in 
death or serious injury or in substantial property damage. 
 
 
 
! 
 
Caution 
This symbol (with a warning triangle) indicates that minor injury or damage to 
property may
 result if proper precautions are not taken. 
 
 
 
Caution 
Used without safety alert symbol indicates a potentially hazardous situation 
which, if not avoided, may
 result in property damage. 
 
 
Notice 
Used without the safety alert symbol indicates a potential situation which, if not 
avoided, may
 result in an undesirable result or state.