Electric Do's and Don'ts 
 

Typical Commercial Overhead Service
A - Ameren connections

B - Ameren service cable

C - Customer-owned and installed weatherhead

D - Customer-provided point of attachment

E - Customer-owned and installed mast
     

 
Typical Commercial Underground Service
A - Customer-owned and installed ground wire

B - Customer-owned and installed ground wire conduit

C - Bottom of meter glass shall be 3’ to 5 1/2’

D - Customer-owned and installed 200 amp meter base

E - Customer-owned and installed expansion joint

F - Customer-owned and installed service conduit and cable

 
 

 
Customer-Owned and Installed Ground Rod
  
 
 
Lever by-pass Underground 300-amp Meter Base
  
 

 

Braced Overhead Service Mast

  
 

 
Typical Residential Overhead Electric Service

A - Customer-owned and installed weather head

B - Ameren service connections

C - Customer-provided point of attachment

D - Customer-owned and installed mast

  

 

Typical Overhead Temporary Electric Service

  
 

 
Underground Customer Service Entrance Cable Connections
  
 

 
Underground Temporary Service
  
 

 
Do not leave construction debris in the area.
 
     

     

Incorrectly Installed Expansion Sleeve


Please refer to Ameren Electric Service Manual - Figure 700-1A for correct installation.
 
     

     
Inadequate Clearances Between the Gas Service and Electric Meter
The electric meter is classified as an ignition source, and there shall be a minimum of 3 feet of clearance between an ignition source and a gas regulator relief vent. 		 
clearance, electric, gas, do's and don'ts,
 
 
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