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Form No. S3279-206
Supersedes S3279-106
Page 4 of 12
1 Maximum size of the time delay fuse or HACR type circuit breaker for protection of field wiring conductors.
2 Based on 75C copper wire. All wiring must conform to the National Electrical Code and all local codes.
3 These “Minimum Circuit Ampacity” values are to be used for sizing the field power conductors. Refer to the National Electrical Code (lastest version), Article 310
for power conductor sizing.
Caution: When more than one field power circuit is run through one conduit, the conductors must be derated. Pay special attention to note 8 of Table 310
regarding Ampacity Adjustment Factors when more than three (3) current carrying conductors are in a raceway.
IMPORTANT: While this electrical data is presented as a guide, it is important to electrically connect properly sized fuses and conductor wires in accordance with
the National Electrical Code and all local codes.
tiucriCelgniS tiucriClauD
ledoM
detaR
stloV
esahPdna
dleiF.oN
rewoP
stiucriC
3 muminiM
tiucriC
yticapmA
1 mumixaM
esuFlanretxE
.rkrB.tkCro
2 dleiF
rewoP
eziSeriW
2 dnuorG
eriW
3 muminiM
tiucriC
yticapmA
1 mumixaM
esuFlanretxE
.rkrB.tkCro
2 dleiF
rewoP
eziSeriW
2 dnuorG
eziSeriW
A.tkC B.tkC A.tkC B.tkC A.tkC B.tkC A.tkC B.tkC
Z0A-281LW
50A
80A
01A
1-802/032
1
1
1
1
61
03
54
65
02
03
54
06
21
01
8
6
21
01
01
01
Z0A-242LW
50A
80A
01A
1-802/032
1
1
1
1
71
03
54
65
02
03
54
06
21
01
8
6
21
01
01
01
Z0B-242LW
60B
3-802/032
1
1
31
22
51
52
41
01
21
01
Z0A-352LW
50A
80A
01A
1-802/032
1
1
1
1
81
03
54
65
52
03
54
06
01
01
8
6
01
01
01
01
Z0B-352LW
60B
3-802/032
1
1
41
22
02
52
21
01
21
01
Z0A-203LW
50A
80A
01A
51A
1-802/032
1
1
1
1
2ro1
42
13
74
75
38
53
53
05
06
09
8
8
8
6
4
01
01
01
01
8
75 62 06 03 6 01 01 01
Z0B-203LW
90B
51B
3-802/032
1
1
1
71
23
05
02
53
05
21
8
8
21
01
01
Z0C-203LW
90C
51C
3-064
1
1
1
01
71
62
51
02
03
41
21
01
41
21
01
Z0A-273LW
50A
01A
51A
1-802/032
1
1
1
2ro1
82
23
85
48
53
53
06
09
8
8
6
4
01
01
01
8756206036010101
Z0B-273LW
90B
51B
3-802/032
1
1
1
02
33
15
52
5
3
06
01
8
6
01
01
01
Z0C-273LW
90C
51C
3-064
1
1
1
11
71
62
51
02
03
41
01
01
41
01
01
Z0A-324LW
50A
01A
51A
1-802/032
1
1
1
2ro1
63
63
95
58
05
05
06
09
8
8
6
4
01
01
01
8
95 62 06 03 6 01 01 01
Z0B-324LW
90B
51B
3-802/032
1
1
1
52
43
25
53
53
06
8
8
6
01
01
01
Z0C-324LW
90C
51C
3-064
1
1
1
31
71
62
51
02
03
41
21
01
41
21
01
Z0A-484LW
50A
01A
51A
1-802/032
1
1
1
2ro1
83
83
95
58
05
05
06
09
8
8
6
4
01
01
01
8956206036010101
Z0B-484LW
90B
51B
3-802/032
1
1
1
42
43
25
53
5
3
06
8
8
6
01
01
01
Z0C-484LW
90C
51C
3-064
1
1
1
21
71
62
51
02
03
41
21
01
41
21
01
Z0A-206LW
50A
01A
51A
1-802/032
1
1
1
2ro1
44
44
95
58
06
06
06
09
8
8
6
4
01
01
01
8
95 62 06 03 6 01 01 01
Z0B-206LW
90B
51B
3-802/032
1
1
1
23
43
25
54
54
06
8
8
6
01
01
01
Z0C-206LW
90C
51C
3-064
1
1
1
61
71
62
02
02
03
21
21
01
21
21
01
Z0A-207LW
50A
01A
51A
1-802/032
1
1
1
2ro1
84
84
95
58
06
06
06
09
8
8
6
4
01
01
01
8
956206036010101
Z0B-107LW
90B
51B
3-802/032
1
1
1
63
63
25
05
05
06
8
8
6
01
01
01
Z0C-107LW
90C
51C
3-064
1
1
1
71
71
62
52
52
03
21
21
01
21
21
01
Electrical Specifications