Continue to Site

Eng-Tips is the largest engineering community on the Internet

Intelligent Work Forums for Engineering Professionals

Register Log in
  • Congratulations MintJulep on being selected by the Eng-Tips community for having the most helpful posts in the forums last week. Way to Go!

Search results for query: *

  1. lkasdorf

    why 277 volts for lighting?

    Why do so many commercial buildings use 277 volts for their fluorescent and metal halide lighting power? Much of the surplus light fixures one comes across are 277 volts. I don't understand this. Is the concept that you get 277 volts across 2 legs of 3 phase power? I don't think that is the...

Part and Inventory Search

Back
Top Bottom