Important Notes regarding th USPS-4C Mail Receptacles for Architects and Specifiers 
 
 
USPS-4C Catalogue (pdf)  
 
Important Excerpts from the USPS-4C Final Rulings (pdf)  
3-Part Specifications for USPS-4C Horizontal Mailbox (doc)  
 
Installation Manual (pdf)  
Installation (Height) Requirement (pdf)  
Installation (Height) Requirement (autocad)  
Installation Framing & Fastening Diagram (pdf)  
Installation Framing & Fastening Diagram (autocad)  
Suggested Wall Installation Diagram (pdf)  
Suggested Wall Installation Diagram (autocad)  
 
Warranty Sheet (pdf)  
Maintenance Sheet (pdf)  
USPS Approved Equipment (USPS-STD-4C on Page 3) (pdf)