Keysight N3300A User Manual page 46

Wire Size
AWG Cross Section
Area in mm
22
20
0.75
18
1
16
1.5
14
2.5
12
4
10
6
8
10
6
4
Table 3-3. Maximum Wire Lengths to Limit Voltage Drops
Wire Size
Cross
Section
AWG Area in
mm2
22
0.5
20
0.75
18
1
16
1.5
14
2.5
12
4
10
6
8
10
6
16
4
Table 3-2. Stranded Copper Wire Ampere Capacity
Ampacity
1. Ratings for AWG-sized wires derived from MIL-W-
2
5.0
8.33
2. Ampacity of aluminum wire is approximately84% of
10
15.4
13.5
3. When two or more wires are bundled together, ampacity
19.4
16
31.2
25
40
32
55
40
75
4. Maximum temperatures:
63
100
135
Resistivity
Ω/kft Ω/km
16.15
40.1
10.16 (9.5)
26.7
6.388 (15.5)
20.0
4.018 (24.5)
13.7
2.526 (39.5)
8.21 12.2
1.589 (62.5)
5.09 19.6
0.9994 (100)
3.39
0.6285 (159)
1.95
0.3953 (252)
1.24
0.2486 (402)
5088B. Ratings for metric-sized wires derived from
IEC Publication 335-1.
that listed for copper wire.
for each wire must be reduced to the following
percentages:
2 conductors 94%
3 conductors 89%
4 conductors 83%
5 conductors 76%
Ambient = 50° C
Conductor = 105° C
Maximum Length in Meters (Feet) to Limit
Voltage Drop to 0.5 V or Less
5 A 10 A 20 A
(6) (3) (1.5)
2.5 1.2 0.6
(4.5) (2)
3.7 1.9 0.9
(7.5) (3.5)
5.0 2.5 1.3
(12) (6)
7.3 3.6 1.8
(19.5) (9.5)
6.1 3.0
(31) (15.5)
9.8 4.9
(50) (25)
29 14.7 7.4
(79) (39.5)
51 25 12.8
(126) (63)
80 40 20
(201) (100)
Installation - 3
Notes:
30 A 40 A 50 A
(1) (0.77) (0.62)
0.4 0.31 0.25
(1.5) (1.23) (0.98)
0.6 0.47 0.37
(2.5) (2.0) (1.57)
0.8 0.63 0.50
(4) (3.1) (2.49)
1.2 0.91 0.73
(6.5) (4.9) (3.46)
2.0 1.52 1.22
(10.5) (7.9) (6.29)
3.3 2.46 1.96
(17) (12.5) (10.00)
4.9 3.69 2.95
(27) (19.9) (15.91)
8.5 6.41 5.13
(40) (31.6) (25.30)
13.4 10.08 8.06
(68) (50.37) (40.23)
60 A
(0.52)
0.21
(0.82)
0.31
(1.30)
0.42
(2.07)
0.61
(3.30)
1.01
(5.24)
1.64
(8.34)
2.96
(13.25)
4.27
(21.07)
6.72
(33.51)
45