- Author
- Valvoda, F. R. | Farrell, G. W.
- Title
- Specifying Cable Tray. Part 1.
- Coporate
- Frank Valvoda and Associates, Berwyn, IL Electrical Consultant, Cary, IL
- Journal
- Consulting-Specifying Engineer, Vol. 19, No. 4, 44-46,48, April 1996
- Keywords
- cable trays | electrical codes | manufacturing
- Identifiers
- ladder cable tray; ventilated-trough cable tray; solid-trough cable tray; chennel-type cable tray; National Electrical Manufacturers Association (NEMA); NEMA cable tray class designations; manufacturer's product table; maximum spacing between expansion joints; thermal expansion; calculating loads