Continue to Site

Eng-Tips is the largest engineering community on the Internet

Intelligent Work Forums for Engineering Professionals

Register Log in
  • Congratulations SSS148 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. itsails

    Lighting a parking lot - W/sq.ft rule of thumb?

    Thanks for the reply. If VA is anything close to 10x180 VA will have plenty of capacity on the existing panel. I've looked up some ballasts that make use of capacitors and they spec a start-current of less than steady-state current - inrush may not be a problem. Any recommendations points to...
  2. itsails

    Lighting a parking lot - W/sq.ft rule of thumb?

    I need to light a 200' x 400' parking lot with 150W HPS lamps on 30ft aluminum poles, .5 footcandels average maintained, .75 maintenance factor. 1. Is there a W/sq.ft number I could use to determine the approximate load? Want to find out if the existing distribution panel handel the...

Part and Inventory Search

Back
Top Bottom