1. - A store 40-ft. x 50 ft. has 20 ft. of show window. There are a total of 60 duplex Receptacles. The service is a 208/120 volts, 3-ph, WYE service. Select the required feeder and draw the service entrance.

2. - A beauty salon has 3000-sq. ft. surface. The connected equipment is:

  Number        Description        Power/unit ( W )
______________________________________
      10              Hair Dryers          1200
      1              Steam Cabinet        2600
      20              Stations                1200
      1                Washer                1500
      1                Dryer                   5000
      1               Water Heater        5000
      1             Air Conditioning      20000

The water heater and the air conditioner are 3-phase equipment.
 

Also there will be installed 30 receptacles outlets. The electric energy is obtained from a 240/120 Volt, 3-ph, delta service. Select the required feeder and draw the service entrance.