|  |  | 
          
            |  | Illustrative Diagram–Clearance and Depth Requirements for  Supplyand
  Communications Systems (No Changes)
             | 
          
            |  | Typical Residential Supply and Communication System–DirectBuried
  or Preassembled Cables–in–Ducts (No Changes)
             | 
          
            |  | Typical Commercial Supply System–Cables Installed  In Ducts
            (No Changes)
             | 
          
            |  | Typical Communication System–Cable Installed  in Ducts 
            (No Changes)
             | 
          
            |  | Cross Section–Random Separation of Buried Cable 
            (Last Changed November 21, 1990)
             | 
          
            |  | Cross Section–Supply and Communication System  Concurrent Installations 
            (Last Changed October 9, 1996)
             | 
          
            |  | Cross Section Showing Independent Installations 
            (Last Changed November 21, 1990)
             | 
          
            |  | Cross Section–Permanent Cable Trench 
            (Last Changed October 9, 1996) | 
          
            |  | Typical Manhole 
            (Last Changed November 21, 1990)
             | 
          
            |  | Separation of Supply and Communication Systems–Handholes 
            (No Changes)
             | 
          
            |  | Typical Single–Phase Pad Mounted Transformer (A) Two Primary Bushings
 for Line-Line Connection (No Changes)
             
        
   Typical Single–Phase Pad Mounted Transformer (B) One Primary Bushings
 for Line to Neutral Connection (No Changes) | 
          
            |  | Typical Three–Phase Pad Mounted Transformer 
            (No Changes)
             | 
          
            |  | Typical Joint Supply and Communication Pedestal 
            (No Changes)
             | 
          
            |  | Typical Low Voltage Service Termination at Building (A) 
            (No Changes)
             Typical Low Voltage Service Termination at Building (B) (Alternate to (A)
 for Recessed Connection Enclosure) (No Changes) | 
          
            |  | Typical Extent of Ownership Within Buildings to Which  These Rules Apply 
            (No Changes)
             | 
          
            |  | Grounding of Transformer Windings 
            (No Changes)
             | 
    
            |  | Typical Subsurface 
Equipment Enclosure (Last Changed November 21, 1990) | 
    
            |  | Typical Transformer 
Installation in Subsurface Equipment Enclosure 
            (Last Changed November 21, 1990) |