Electrical Drawing Numbering Standards
Ansi ieee standard device numbers 1 master element 2 time delay starting or closing relay 3 checking or interlocking relay.
Electrical drawing numbering standards. This costs a lot of money but is the only way to comply with the standards. Typical electrical drawing symbols and conventions. It s a place for you to share your vision of how we could develop standards better and how they could add greater value to australian society by being delivered in more user focused ways. Bs en60617 was withdrawn a number of years back because the standard is now only available by subscription to the iec database.
This drawing standards manual establishes the conventions to be adhered to by. The sheet sequence number is a two digit number that identifies each sheet in a series of the same discipline and sheet type. Sequence numbering starts with 01. Elementary diagram connections wire numbering.
Figure 3 diagram modification list 6. Incubator the standards australia incubator is a sandpit for playing with new ideas and testing concepts. Electrical electronic drawings 43 4 5 1. The drawings required may be included on the e electrical sheets along with the rest of the drawings produced by that designer.
For example the electrical engineer may be the designer for a telephone system. Unless you draw your own but you d need to subscribe to see what they looked like or can buy download them somewhere else from another person or organisation who has done the same. And drawing number should be used when the company is designing and delivering the finished product in accordance with the terms of a nasa contract. The hyphen in the level 1 discipline designator is a required place holder in the absence of the second character of level 2.
Sequence numbers need not be sequential to. The first sheet of each series is numbered 01 followed by 02 through 99. Examples for level 1 discipline designator are. However deviations are introduced to take into account the specific needs related to electrical diagrams.