RL-inc Posted November 10, 2015 Author Share Posted November 10, 2015 As I mentioned earlier, the main reason for my request is a consolidation of information provided by the supervisor electrician. I am not trying to do the calculations or any of the engineering work. One of the recent projects he worked on was a tenant improvement for a marijuana growing / processing company and it required a 2500 amp service. The local building authority wanted the load calculations and an electrical layout. He did the drawings by hand and the building department reluctantly accepted them but wants cleaner cad drawings in the future. Link to comment Share on other sites More sharing options...
JLDrafting Posted November 10, 2015 Share Posted November 10, 2015 I work mostly commercial and the county now wants wire sizes, types and voltage drops. The Licensed Master Electrician provides that information to me. He uses something like this: http://www.southwire.com/support/voltage-drop-calculator.htm. Anything over 600 Amps requires an Electrical Engineers design. Link to comment Share on other sites More sharing options...
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