J6 and j16 wiring chart – Hubbell Electric Heater Company J User Manual
Page 14
J6 and J16 Wiring Chart
kW
Volt
Ph
Unit
Amp
Draw
Branch
Amp
Draw
Phase-
Phase
Resistance
(Ohms)
Min.
Feed
Breaker
or Fuse
Size
Internal
Power
Wire
Size
Element
Jumper
Wire
Size
Copper
Power Feed
Wire Size
Conduit
Size
Diagram
1
120
1
8.3
8.3
14.4
15
12
N/A
14
½"
1(NT)
1.5
120
1
12.5
12.5
9.6
20
12
N/A
14
½"
1(NT)
2
120
1
16.7
16.7
7.2
25
12
N/A
12
½"
1(NT)
3
120
1
25.0
25.0
4.8
35
12
12
10
½"
1(NT)
208
1
19.2
19.2
10.8
25
12
N/A
10
½"
1(NT)
240
1
16.7
16.7
14.4
25
12
N/A
12
½"
1(NT)
380
1
10.7
10.7
36.1
15
12
N/A
12
½"
1(WT)
480
1
8.3
8.3
57.6
15
12
N/A
14
½"
1(WT)
208
1
24.0
24.0
8.7
30
12
N/A
10
½"
1(NT)
240
1
20.8
20.8
11.5
30
12
N/A
10
½"
1(NT)
380
1
13.2
13.2
28.9
20
12
N/A
12
½"
1(WT)
480
1
10.4
10.4
46.1
15
12
N/A
14
½"
1(WT)
208
1
28.8
28.8
7.2
40
12
12
8
½"
4
208
3
16.7
16.7
14.4
25
12
12
10
½"
10(NT)
240
1
25.0
25.0
9.6
35
12
12
8
½"
4
240
3
14.4
14.4
19.2
20
12
12
12
½"
10(NT)
380
3
8.6
8.6
48.1
15
12
12
14
½"
10(WT)
480
3
7.2
7.2
76.8
10
12
12
14
½"
10(WT)
600
3
6.0
6.0
114.8
10
12
12
14
½"
14
208
1
32.5
32.5
6.4
45
12
12
8
½"
4
208
3
18.7
18.7
12.4
25
12
12
10
½"
10(NT)
240
1
30.5
30.5
8.2
40
12
12
8
½"
4
240
3
17.6
17.6
16.5
25
12
12
10
½"
10(NT)
380
3
10.0
10.0
41.3
15
12
12
12
½"
10(WT)
480
3
8.4
8.4
65.8
15
12
12
14
½"
10(WT)
600
3
6.8
6.8
102.0
10
12
12
14
½"
14
208
1
43.3
43.3
4.8
55
10
12
6
¾"
4
208
3
25.0
25.0
9.6
35
10
12
8
½"
10(NT)
240
1
37.5
37.5
6.4
50
10
12
8
½"
4
240
3
21.7
21.7
12.8
30
10
12
10
½"
10(NT)
380
3
14.3
14.3
32.1
20
12
12
12
½"
10(WT)
480
3
10.8
10.8
51.2
15
12
12
14
½"
10(WT)
600
3
9.1
9.1
76.5
15
12
12
14
½"
14
208
1
48.8
48.8
4.3
65
8
10
6
¾"
4
208
3
29.1
29.1
8.2
40
12
12
8
½"
10(NT)
240
1
43.8
43.8
5.5
55
10
12
6
¾"
4
240
3
25.3
25.3
11.0
35
12
12
8
½"
10(NT)
380
3
17.1
17.1
27.5
25
12
12
10
½"
10(WT)
480
3
12.6
12.6
43.9
20
12
12
12
½"
10(WT)
600
3
10.2
10.2
68.1
15
12
12
14
½"
14
208
1
57.7
57.7
3.6
75
8
10
4
1"
4
208
3
33.3
33.3
7.2
45
12
12
8
½"
10(NT)
240
1
50.0
50.0
4.8
65
8
10
6
¾"
4
240
3
28.9
28.9
9.6
40
12
12
8
½"
10(NT)
380
3
18.6
18.6
24.1
25
12
12
10
½"
10(WT)
480
3
14.4
14.4
38.4
20
12
12
12
½"
10(WT)
600
3
11.3
11.3
61.2
15
12
12
14
½"
14
208
1
64.9
64.9
3.2
85
8
10
4
1"
4
208
3
37.5
37.5
6.4
50
10
12
8
½"
10(NT)
240
1
56.3
56.3
4.3
75
8
10
4
1"
4
240
3
32.5
32.5
8.5
45
12
12
8
½"
10(NT)
380
3
21.4
21.4
21.4
30
12
12
10
½"
10(WT)
480
3
16.2
16.2
34.1
25
12
12
12
½"
10(WT)
600
3
13.6
13.6
51.0
20
12
12
12
½"
14
4
5
6
7
9
10.5
12
13.5
14