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Form No. S3412-1112
Supersedes S3412-712
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 (latest 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 & conductor wires in accordance with the National Electrical Code & 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-1A83
W
50A
80A
01A
51A
1-802/032
1
1
1
2ro1
2ro1
23
53
05
16
78
54
54
05
07
09
8
8
8
6
3
01
01
01
8
8
53
53
62
25
54
54
03
06
8
8
01
6
01
01
01
01
Z0B-1A83
W
60B
90B
51B
3-802/032
1
1
1
1
62
72
63
45
53
53
04
06
8
8
8
6
01
01
01
01
Z0C-1A83
W
60C
90C
51C
3-064
1
1
1
1
41
51
91
82
51
51
02
03
41
41
21
01
41
41
21
01
Z0A-1A94
W
50A
80A
01A
51A
1-802/032
1
1
1
2ro1
2ro1
93
93
15
16
78
05
05
06
07
09
8
8
6
6
3
01
01
01
8
8
93
93
62
25
05
05
03
06
8
8
01
6
01
01
01
01
Z0B-1A94
W
60B
90B
51B
3-802/032
1
1
1
1
03
03
73
55
54
54
54
06
8
8
8
6
01
01
01
01
Z0C-1A94
W
60C
90C
51C
3-064
1
1
1
1
51
51
91
82
02
02
02
03
21
21
21
01
21
21
21
01
Z0A-1A16
W
50A
80A
01A
51A
1-802/032
1
1
1
2ro1
2ro1
84
84
15
16
78
06
06
06
07
09
8
8
6
6
3
01
01
8
8
8
84
84
62
25
06
06
03
06
6
6
01
6
01
01
01
01
Z0B-1A16
W
90B
51B
3-802/032
1
1
1
63
73
55
05
05
06
8
8
6
01
01
01
Z0C-1A16
W
90C
51C
3-064
1
1
1
81
91
82
52
52
03
01
01
01
01
01
01
Electrical Specifications