NEC / UL (USA)
USA · 98 types
TW | Thermoplastic moisture-resistant building wire, 60 C (600 V, 60 C dry and wet) |
THW | Thermoplastic heat- and moisture-resistant building wire, 75 C (600 V, 75 C dry and wet) |
THHW | Thermoplastic high heat-resistant, moisture-resistant building wire (600 V, 90 C dry, 75 C wet) |
THWN | Thermoplastic heat- and water-resistant nylon-coated building wire, 75 C (600 V, 75 C wet and dry) |
THHN | Thermoplastic high heat-resistant nylon-coated building wire (600 V, 90 C dry and damp locations) |
THWN-2 | Thermoplastic heat- and water-resistant nylon-coated building wire, 90 C wet or dry (600 V, 90 C wet and dry locations) |
MTW | Machine tool wire, oil-resistant PVC, 90 C (600 V, 90 C dry, 60 C wet or oil) |
XHH | Thermoset (XLPE) high heat-resistant building wire, dry and damp locations (600 V, 90 C dry and damp) |
XHHW | Thermoset (XLPE) high heat-resistant building wire, wet locations at 75 C (600 V, 90 C dry, 75 C wet) |
XHHW-2 | Thermoset (XLPE) high heat-resistant building wire, 90 C wet or dry (600 V, 90 C wet and dry) |
RHH | Thermoset (rubber-type) high heat-resistant building wire, dry and damp (600 V, 90 C dry and damp) |
RHW | Thermoset (rubber-type) heat- and moisture-resistant building wire, 75 C (600 V, 75 C dry and wet) |
RHW-2 | Thermoset (rubber-type) heat- and moisture-resistant building wire, 90 C wet or dry (600 V (2 kV on some listings), 90 C wet and dry) |
USE | Underground service-entrance conductor (single wire), 75 C (600 V, 75 C) |
USE-2 | Underground service-entrance conductor, 90 C wet or dry (600 V, 90 C wet and dry) |
TBS | Thermoplastic-insulated, braid-covered switchboard wire (600 V, 90 C) |
SIS | Switchboard and control wire, cross-linked polyethylene, 90 C (600 V, 90 C) |
TFFN | Thermoplastic flexible fixture wire, nylon-coated (600 V, 90 C) |
TFN | Thermoplastic fixture wire, nylon-coated (solid or 7-strand) (600 V, 90 C) |
TFF | Thermoplastic flexible fixture wire, no nylon (600 V, 60 C (UNVERIFIED)) |
TF | Thermoplastic fixture wire, no nylon (600 V, 60 C (UNVERIFIED)) |
NM-B | Non-metallic sheathed cable, type B (90 C conductors), for dry indoor wiring (600 V, 90 C conductors (ampacity at the 60 C column)) |
UF-B | Underground feeder cable, type B, sunlight-resistant gray jacket, direct burial (600 V, 90 C conductors (ampacity at the 60 C column)) |
SE | Service-entrance cable (general term, SER round or SEU flat) (600 V, 75 or 90 C) |
SER | Service-entrance cable, style R (round), with a bare ground, gray jacket (600 V, 90 C (XLPE) or 75 C (PVC)) |
SEU | Service-entrance cable, style U (flat), with a concentric bare neutral, gray jacket (600 V, 90 C (XLPE) or 75 C (PVC)) |
URD | Underground residential distribution cable, twisted aluminium conductors, direct burial (600 V, 90 C XLPE) |
AC | Armored cable (BX): insulated conductors with a bonding strip in interlocked steel armour, no outer jacket (600 V, 90 C conductors (AC-90 / ACHH)) |
MC | Metal-clad cable: insulated conductors and a green ground in interlocked metal armour (600 V, 90 C conductors) |
MC-HL | Metal-clad cable for hazardous locations: continuous corrugated aluminium sheath and PVC jacket (600 V, 90 C (XHHW-2)) |
TC | Tray cable: multiconductor power or control cable for cable trays (600 V, 90 C dry, 75 C wet) |
TC-ER | Tray cable, exposed run: may run outside tray or conduit up to 6 ft, supported and secured (600 V, 90 C dry, 75 C wet) |
TC-ER-HL | Tray cable, exposed run, hazardous locations (600 V, 90 C dry, 75 C wet) |
ITC | Instrumentation tray cable, shielded pairs, for circuits up to 150 V and 5 A (300 V) |
ITC-ER | Instrumentation tray cable, exposed run (300 V) |
PLTC | Power-limited tray cable, shielded pairs, 300 V (300 V) |
PLTC-ER | Power-limited tray cable, exposed run (300 V) |
MV-90 | Medium-voltage shielded power cable, 90 C (2 kV to 35 kV, 90 C) |
MV-105 | Medium-voltage shielded power cable, 105 C (2 kV to 35 kV, 105 C) |
S | Standard thermoset flexible cord (600 V, 90 C) |
SO | Standard thermoset flexible cord, oil-resistant (600 V, 90 C) |
SOO | Standard thermoset flexible cord, oil-resistant (600 V, 90 C) |
SOW | Standard thermoset flexible cord, oil-resistant, weather-resistant (600 V, 90 C) |
SOOW | Standard thermoset flexible cord, oil-resistant, weather-resistant (600 V, 90 C) |
SJ | Junior thermoset flexible cord (300 V, 90 C) |
SJO | Junior thermoset flexible cord, oil-resistant (300 V, 90 C) |
SJOW | Junior thermoset flexible cord, oil-resistant, weather-resistant (300 V, 90 C) |
SJOOW | Junior thermoset flexible cord, oil-resistant, weather-resistant (300 V, 90 C) |
SJT | Junior thermoplastic flexible cord (300 V, 60 to 105 C) |
SJTW | Junior thermoplastic flexible cord, weather-resistant (300 V, 60 to 105 C) |
SJTO | Junior thermoplastic flexible cord, oil-resistant (300 V, 60 to 105 C) |
SJTOW | Junior thermoplastic flexible cord, oil-resistant, weather-resistant (300 V, 60 to 105 C) |
SJTOOW | Junior thermoplastic flexible cord, oil-resistant, weather-resistant (300 V, 60 to 105 C) |
ST | Standard thermoplastic flexible cord (600 V, 60 to 105 C) |
STW | Standard thermoplastic flexible cord, weather-resistant (600 V, 60 to 105 C) |
STO | Standard thermoplastic flexible cord, oil-resistant (600 V, 60 to 105 C) |
STOW | Standard thermoplastic flexible cord, oil-resistant, weather-resistant (600 V, 60 to 105 C) |
STOOW | Standard thermoplastic flexible cord, oil-resistant, weather-resistant (600 V, 60 to 105 C) |
SEOW | Standard elastomer flexible cord, oil-resistant, weather-resistant (600 V, 105 C) |
SEOOW | Standard elastomer flexible cord, oil-resistant, weather-resistant (600 V, 105 C) |
SJEOOW | Junior elastomer flexible cord, oil-resistant, weather-resistant (300 V, 105 C) |
SPT-1 | Parallel thermoplastic lamp cord, insulation class 1 (300 V, 60 to 105 C (UNVERIFIED)) |
SPT-2 | Parallel thermoplastic lamp cord, insulation class 2 (300 V, 60 to 105 C (UNVERIFIED)) |
SPT-3 | Parallel thermoplastic lamp cord, insulation class 3 (300 V, 60 to 105 C (UNVERIFIED)) |
SVT | Vacuum-cleaner (service) thermoplastic cord, PVC jacket, 300 V (300 V, 60 to 105 C) |
SVTO | Vacuum-cleaner thermoplastic cord with an oil-resistant PVC jacket, 300 V (300 V, 60 to 105 C) |
HPN | Heater cord, parallel, neoprene (UNVERIFIED expansion) (300 V, 90 C (UNVERIFIED)) |
TYPE W | Portable power cable, 2 kV, tinned copper, EPDM insulation, extra-hard usage (2000 V, 90 C) |
TYPE G | Portable power cable with grounding conductors, 2 kV, mining and industrial (UNVERIFIED) (2000 V, 90 C (UNVERIFIED)) |
G-GC | Portable power cable with grounding and a ground-check conductor (UNVERIFIED) (2000 V, 90 C (UNVERIFIED)) |
DLO | Diesel locomotive cable: tinned flexible copper, EPR insulation, CPE jacket, single conductor (2000 V, 90 C) |
PV WIRE | Photovoltaic wire: stranded copper, XLP insulation, sunlight resistant (600 V or 1000 V or 2000 V, 90 C wet or dry) |
CM | Communications cable, general purpose (300 V, 60 to 75 C) |
CMP | Communications cable, plenum rated (low smoke, FEP insulation) (300 V, 75 C) |
CMR | Communications cable, riser rated (vertical shafts, UL 1666) (300 V, 75 C) |
CMG | Communications cable, general purpose (same listing level as CM) (300 V, 60 to 75 C) |
CMX | Communications cable, limited use (residential and in raceway, outdoor-rated types) (300 V, 60 to 75 C) |
CL2 | Class 2 remote-control and signalling cable (300 V, Class 2 power-limited) |
CL2R | Class 2 remote-control and signalling cable, riser (300 V, Class 2 power-limited) |
CL2P | Class 2 remote-control and signalling cable, plenum (300 V, Class 2 power-limited) |
CL2X | Class 2 remote-control and signalling cable, limited use (300 V, Class 2 power-limited) |
CL3 | Class 3 remote-control and signalling cable (300 V, Class 3 power-limited) |
CL3R | Class 3 remote-control and signalling cable, riser (300 V, Class 3 power-limited) |
CL3P | Class 3 remote-control and signalling cable, plenum (300 V, Class 3 power-limited) |
CL3X | Class 3 remote-control and signalling cable, limited use (300 V, Class 3 power-limited) |
FPL | Fire-alarm power-limited cable (300 V, 75 C) |
FPLR | Fire-alarm power-limited cable, riser (ul 1666) (300 V, 75 C) |
FPLP | Fire-alarm power-limited cable, plenum (ul 910, low smoke) (300 V, 75 C) |
OFN | Optical fibre cable, nonconductive general (Dielectric) |
OFNG | Optical fibre cable, nonconductive general, general purpose (Dielectric) |
OFNR | Optical fibre cable, nonconductive riser, riser (Dielectric) |
OFNP | Optical fibre cable, nonconductive plenum, plenum (Dielectric) |
OFC | Optical fibre cable, conductive general (Fibre with metallic strength member) |
OFCR | Optical fibre cable, conductive riser, riser (Fibre with metallic strength member) |
OFCP | Optical fibre cable, conductive plenum, plenum (Fibre with metallic strength member) |
CAT5E | Category 5e unshielded or shielded twisted-pair data cable, 4 pairs, 24 AWG (up to 100 MHz, 1 Gbit/s) |
CAT6 | Category 6 twisted-pair data cable, 4 pairs, 23 AWG (up to 250 MHz) |
CAT6A | Category 6A augmented twisted-pair data cable, 4 pairs (up to 500 MHz (UNVERIFIED)) |