SPEC: 10036
UF-B Copper Cable
Underground Feeder and Branch-Circuit Cable. 600 Volt. Copper Conductors. PVC Insulation/Nylon Sheath. Sunlight, Moisture, and Fungus Resistant Overall PVC Jacket.
Application & Features
Southwire® copper UF-B cable is generally used as a feeder to outside post lamps, pumps, and other loads or apparatuses fed from a distribution point in an existing building as specified in the National Electrical Code®. UF-B cable may be used underground, including direct burial. Multiple conductor UF-B cable may be used for interior branch circuit wiring in residential or agricultural buildings at conductor temperatures not to exceed 90°C (with ampacity limited to that for 60°C conductors) as specified by the National Electrical Code. UF-B can be used in applications permitted for NMC in Section 334.10(B) of the National Electrical Code. Voltage rating for UF-B cable is 600 volts.
Specifications
Select a set of products below for more information:
| Cond. Size | Conductor Number | Cond. Strands | Diameter Over Conductor (in) (cm) | Inner Layer Thickness (mils) (mm) | Ground Size | Outer Layer Thickness (mils) (mm) | Approx. OD (in) (cm) | Copper Weight (lbs/1000') (kgs/km) | Approx. Weight (lbs/1000') (kgs/km) | |
| More Options |
14 AWG
14 AWG
|
2
2
|
Solid
Solid
|
0.064
0.16
|
20
0.51
|
1x14
1x14
|
30
0.76
|
0.168 x 0.423
0.43 x 1.07
|
37
55
|
70
104
|
| More Options |
14 AWG
14 AWG
|
3
3
|
Solid
Solid
|
0.064
0.16
|
20
0.51
|
1x14
1x14
|
30
0.76
|
0.168 x 0.581
0.43 x 1.48
|
49
73
|
97
144
|
| More Options |
12 AWG
12 AWG
|
2
2
|
Solid
Solid
|
0.080
0.20
|
20
0.51
|
None
None
|
30
0.76
|
0.183 x 0.386
0.46 x 0.98
|
39
58
|
71
106
|
| More Options |
12 AWG
12 AWG
|
3
3
|
Solid
Solid
|
0.080
0.20
|
20
0.51
|
1x12
1x12
|
30
0.76
|
0.183 x 0.626
0.46 x 1.59
|
79
118
|
131
195
|
| More Options |
10 AWG
10 AWG
|
2
2
|
Solid
Solid
|
0.101
0.26
|
25
0.64
|
1x10
1x10
|
30
0.76
|
0.215 x 0.518
0.55 x 1.32
|
91
135
|
138
205
|
| More Options |
10 AWG
10 AWG
|
3
3
|
Solid
Solid
|
0.101
0.26
|
25
0.64
|
1x10
1x10
|
30
0.76
|
0.215 x 0.727
0.55 x 1.85
|
122
182
|
190
283
|
| More Options |
8 AWG
8 AWG
|
2
2
|
7
7
|
0.141
0.36
|
35
0.89
|
1x10
1x10
|
45
1.14
|
0.302 x 0.678
0.77 x 1.72
|
132
196
|
222
330
|
| More Options |
8 AWG
8 AWG
|
3
3
|
7
7
|
0.141
0.36
|
35
0.89
|
1x10
1x10
|
45
1.14
|
0.319 x 1.059
0.81 x 2.69
|
183
272
|
344
512
|
| More Options |
6 AWG
6 AWG
|
2
2
|
7
7
|
0.177
0.45
|
35
0.89
|
1x10
1x10
|
45
1.14
|
0.338 x 0.770
0.86 x 1.96
|
192
286
|
303
451
|
| More Options |
6 AWG
6 AWG
|
3
3
|
7
7
|
0.177
0.45
|
35
0.89
|
1x10
1x10
|
45
1.14
|
0.361 x 1.223
0.92 x 3.11
|
273
406
|
479
713
|
| Cond. Size | Conductor Number | Min. Bend Radius (in) (cm) | Max Pull Tension (lbs) (kg) | DC Resistance at 25C (ohms/1000') (ohms/km) | AC Resistance at 75C (ohms/1000') (ohms/km) | Inductive Reactance (ohms/1000') (ohms/km) | Allowable Ampacity Raceway 75C | Allowable Ampacity Raceway 90C | |
| More Options |
14 AWG
14 AWG
|
2
2
|
1.7
4.32
|
65
29.48
|
2.631
3.92
|
3.170
4.72
|
0.058
0.09
|
20
20
|
25
25
|
| More Options |
14 AWG
14 AWG
|
3
3
|
2.3
5.84
|
98
44.45
|
2.631
3.92
|
3.170
4.72
|
0.058
0.09
|
20
20
|
25
25
|
| More Options |
12 AWG
12 AWG
|
2
2
|
1.5
3.81
|
104
47.17
|
1.662
2.47
|
2.002
2.98
|
0.054
0.08
|
25
25
|
30
30
|
| More Options |
12 AWG
12 AWG
|
3
3
|
2.5
6.35
|
156
70.76
|
1.662
2.47
|
2.002
2.98
|
0.054
0.08
|
25
25
|
30
30
|
| More Options |
10 AWG
10 AWG
|
2
2
|
2.1
5.33
|
166
75.30
|
1.040
1.55
|
1.253
1.86
|
0.050
0.07
|
35
35
|
40
40
|
| More Options |
10 AWG
10 AWG
|
3
3
|
2.9
7.37
|
249
112.94
|
1.040
1.55
|
1.253
1.86
|
0.050
0.07
|
35
35
|
40
40
|
| More Options |
8 AWG
8 AWG
|
2
2
|
2.7
6.86
|
264
119.75
|
0.653
0.97
|
0.786
1.17
|
0.052
0.08
|
50
50
|
55
55
|
| More Options |
8 AWG
8 AWG
|
3
3
|
5.3
13.46
|
396
179.62
|
0.653
0.97
|
0.786
1.17
|
0.052
0.08
|
50
50
|
55
55
|
| More Options |
6 AWG
6 AWG
|
2
2
|
3.1
7.87
|
419
190.06
|
0.411
0.61
|
0.495
0.74
|
0.051
0.08
|
65
65
|
75
75
|
| More Options |
6 AWG
6 AWG
|
3
3
|
6.1
15.49
|
629
285.31
|
0.411
0.61
|
0.495
0.74
|
0.051
0.08
|
65
65
|
75
75
|
* Ampacities based upon 2023 NEC section 340.80 and Table 310.16. See Also NEC section 310.15 for additional requirements.
Standards & References
- ASTM B3 Soft or Annealed Copper Wire
- ASTM B8 Concentric-Lay-Stranded Copper Conductors
- UL 493 Thermoplastic-Insulated Underground Feeder and Branch-Circuit Cables
- RoHS-2 (European Directive 2011/65/EU)
- NEC National Electrical Code NFPA 70
Construction
- Conductor: Solid soft drawn bare copper per ASTM B3 or class B compressed stranded soft drawn bare copper per ASTM B8
- Insulation: All phases and neutral are insulated with Polyvinyl Chloride (PVC) with Nylon Sheath
- Ground: Solid soft drawn bare copper
- Jacket: Gray Polyvinyl Chloride (PVC) jacket. Sunlight, moisture and fungus resistant.
Resources
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