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                Safety Eligibility Letter LS-22
  
  **Hardware Type:**
            Luminaire Supports
                          **Code:**
            LS-22
                          **Date:**
            09/19/1990
                          **Testing Criteria:**
            NCHRP 350
                          **Manufacturer:**
            Akron Foundry
                          **Device Description:**
            Chart summarizing approval letters ls2, ls4, ls9, ls15, ls19
                          **View PDF:**
            ls22.pdf (572.23 KB) U.S. DEPARTMENT OF TRANSPORTATION

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