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Table 402-3. Fixture Wire
{ ^EXHIBIT |
I ' E- 246
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Trade Name
Type Letter {insulation
AWG
Thickness of
Outer
InsulationMils 1 Covering
Max Operating
Temp.
Application Provisions
!o i! r^u
Thickness of
Moisture-
Thick-
I [
Resistant
ness or i
Insulation Mils
Asbestos '
Mils
i
Asbestos Cov ered HeatResistant Fix ture Wire
AF
Heat-Resistant RubberCovered Fix ture Wire
Flexible
Stranding
FFH-2
Impregnated Asbestos or MoistureResistant Insuiation and
Impregnated Asbestos
18-14 12-10
20 25
Heat-Resistant
Rubber
18-16
Heat-Resistant Latex Rubber 18-16 ...............................
30 10 45 20
tn
18
None
NonmetaJlic Covering
150C 302F
iFixture wiring. (Limited to 300
ivolts and indoor Jdry locations.
75'C 167F
Fixture wiring, and as permitted in
Section 725-16.
C > m1m" O
m
ECTFE \ Solid or
7-Strand
HF ___ _ Ethvlene Chloro-
TrifluoroEthylene
18-14 .................................. 15
None
150*F 302F
Fixture wiring, and as permitted in Section 725-16
ECTFc Flexible Stranding
HFF
Ethylene Chloro*
TrifluoroEthylene
18-14 ................................... 15
None
150C 302F
Fixture wiring, and as permitted in
Section 725-16.
v-u u mmmm.i
i
ARTICLE 402 -- FIXTURE WIRES
Trade Name
Type Letter
Tape Insulated KF-1
Fixture Wire--
Solid or
7-Strand
KF-2
Tape Insulated KFF-1
Fixture Wire-
Flexible
Standing
KFF-2
Periluoro-
PAF
alkoxy--Solid
or 7-Strand
(Nickel or
Nickel-Coated
Copper)
Perfluoroalkoxy-- Flexible Stranding
PAFF
Fluorinated PF Ethylene Pro pylene Fixture Wire--Solid or
7-Strand
Insulation
Aromatic Potyimide Taoe
Aromatic Polyimide Tape
Aromatic Polyimide Tape
Aromatic Polyimide Tape
Periiuoroalkoxy
Table 402-3 (Continued)
AWG
Thickness of Insulation
Outer Mils Covering
18-10................................... 5-3 None
{ Max Operating
! Temp.
:ooc 392*F
Application Provisions
Fixture Wiring. Limited to 300 volts.
1S-10................................... 8.4 None
200C Fixture wiring, and as permuted 392*F in Sections 725-16 and 760-16.
18-10................................... 5.5 None 18-10................................... 8.4 None
j 200C { 3928F i
200*C 392F
Fixture Wiring. Limited to 300 volts.
Fixture wiring, and as permitted in Section 725-16.
18-14................................... 20 None
250C 482F
Fixture wiring, and as permitted in Sections 725-16 and 760-16. (Nickel or nickel-coated copper)
Perfiuoro- 18-14................................... 20 None alkoxy
Fluorinated 18-14................................... 20 None Ethylene Propylene
150C Fixture wiring, and as permitted 302F in Section 725-16.
200C Fixture wiring, and as permitted 392F in Sections 725-16 and 760-16.
70-325
INATIONAL ELECTRICAL CODE
Table 310-13. (Continued)
Trade Name
Type tetter
Max. Operating
Temp.
Application Provisions
Moisture- and Heat-Resistant or CrossLinked Syn thetic Polymer
RHW-2
90 C Dry and wet locations. 194 F
SiliconeAsbestos
1
SA
Synthetic Heat-Resistant
SIStt
90 C 194 F
125 C 257 F
Dry and damp locations. For special application.!
90 C Switchboard*=wiring only. 194 F
Thermoplastic and Asbestos
7>f-
Thermoplastic and Fibrous Outer Braid
TA TBS
90C Switchboard wiring only. 194 F
90 C Switchboard wiring only. 194 F
Insulation
Moistureand HeatResistant or Cross-Linked Synthetic Polymer
Silicone Rubber
Heat-Resistant Cross-Linked Synthetic Polymer Thermoplastic and Asbestos
Thermoplastic
AWG Thickness
or ot
Outer
kcmil Insulation Mils Covering****
14-10 .............................45 Moisture8-2 .............................. 60 resistant, 1-WO ............................ SO flame213-500 ....................... 95 retardant, 501-1000 .................. no nonmetallic 1001-2000 .................. 125 covering*
For 601-2000 volts,
see Table 310-62.
14-10 .............................45 Asbestos, 8-2 ..............................60 glass, or 1-4/0 .............................SO other 213-500 ....................... 95 suitable 501-1000 .................. 110 braid 1001-2000 ................ 125 material
14-10.............................30
8.................................... 45 6-2 *............................. 60
None
1-470 ............................ SO
Th'pl*. Asb. Flame14-8 .................. 20 20 retardant. 6-2 .................. 30 25 nonmetallic 1-4/0 ............... 40 30 covering
14-10............................301 Flame8.................................. 45 retardant. 6-2 ..............................601 nonmetallic 1-4/0 ...........................S0| covering
`Some rubber insulations do not require an outer covering. ""Some insulations do not require an outer covering. tWhere environmental conditions require maximum conductor operating temperatures above 90*C. ttlnsuiation and outer coverings that meet the requirements of flame-retardant. Limited-smoke and are so listed shall be permitted to be designated
limited-smoke with the suffix /LS after the Code type designation.
-______________ ARTICLE 310 CONDUCTORS FOR GENERAL WIRING
Table 310-13. (Continued)
Extended Poiytetrafluoroethylene
Heat-Resistant Thermoplastic
Moisture- and Heat-Resistant Thermoplastic
Moisture- and Heat-Resistant Thermoplastic
TFE
THHNtt
THHW
THWtf, tft
250 C 482 F
90 C 194 F
Dry locations only. Only for leads within apparatus or
within raceways connected to apparatus, or as open wiring. (Nickel or nickelcoated copper only.)
Extruded Polytetrafluoroethylene
Dry and damp locations.
FlameRetardant, Heat-
Resistant Thermo plastic
75* C 167 F 90* C 194 F
75* C 167 F 90 C 194 F
Wet location. Dry location.
Dry and wet locations.
Special applications within electric discharge lighting equipment. Limited to 1000 open-circuit volts or less. (Size 14-8 only as permitted in Section 410-31.)
FlameRetardant, Moistureand HeatResistant Thermo plastic
FiameRetardant. Moistureand HeatResistant Thermo plastic
14-10 ..............................20
8-2.................................. 30 1-4/0 ............................... 45
None
14-12 ............................ 15 10.................................... 20 8-6.................................. 30 4-2.................................. 40 1-4/0 ............................... 50 250-500 ........................ 60 501-1000 ...................... 70
14-10 ................... '....... 45 8-2 ................................ 60 1-4/0............................... 80 213-500 ........................ 95 501-1000 ..................... 110
Nylon jacket or equivalent
None
14-10 ..............................45 8-2.................................. 60
1-4/0............................... 80 213-500 ........................ 95 501-1000 ..................... no
1001-2000 .................. 125
None
,, tiidt meet me requirements oi name-rciaroani. iimttea-smoke ana are so listed shall be permitted to be designated urcmcQ'Srnokc with the suffix /LS After the Code type designation.
w're tyPcs designated with the suffix "*2 such as RHW-2 , shall be permitted to be used at a continuous 90*C-operating temperature.
0004
70-169