UILDING WIRES 

TW & THW, IV 
THHN & THWN 
XHHW 
Thermoplastic Fixture Wire, TF 
Flat Cord, SPT 
Romex, NM 
Armored Cable, BX 
Flexible Conduit 
MAGNET WIRES (Copper/Aluminum) 
Polyester, PEW 
Polyvinyl Formvar, PVF 
Polyurethane, UEW 
Polyamide-Imide-Polyester 
Omega, AIW 
Cotton 
Rectangular 
TELECOMMUNICATION CABLES 
Aircore Telephone Cable, ALPETH 
Foam-Skin Filled Telephone Cable, FSF 
Solid-Filled Telephone Cable 
Figure 8 Telephone Cables 
Direct Burial Telephone Cable 
Telephone Drop Wire (Copper Clad/Hard Drawn) 
Telephone Jacketed Wire 
Intercom Cables 
Coaxial Cables 
TV Antenna Wire