Wiring Diagrams - State Water Heaters PCE 6-120 Installation & Operation Instruction

Commercial electric water heaters
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Size
Temperature Rating of Conductor
See Table 310-13 in Code
AMG
60° C
MCM
(140° F)
TYPES:
RUW
(14-2),
T, TW,
UF
18
- - -
16
- - -
14
15
12
20
10
30
8
40
6
55
4
70
3
80
Portion of Table 310-18 follows:
Allowable Ampacities of Insulated Aluminum and Copper -Clad Aluminum Conductors.
Not more than three conductors in Raceway or Cable or Direct Burial (Based on Ambient Temperature of 30° C, 86° F. These
ampacities relate only to conductors described in Table 310-13 in Code.
For ambient temperatures over 30° C (86° F), see Correction Factors, Note 13 in Code.

WIRING DIAGRAMS

A-8 CIRCUIT FOR DUAL ELEMENT HEATER
75° C
(167° F)
TYPES:
RH, RHW, RUH,
(14-2), THW
THWN, XHHW,
USE
- - -
- - -
15
20
30
45
65
85
100
5
Size
Temperature Rating of Conductor
See Table 310-13 in Code
AMG
60° C
MCM
(140° F)
TYPES:
RUW
(12-2),
T, TW,
UF
12
15
10
25
8
30
6
40
4
55
3
65
2
75
1
85
75° C
(167° F)
TYPES:
RH, RHW, RUH,
(12-2), THW
THWN, XHHW,
USE
15
25
40
50
65
75
90
100
C-2 CIRCUIT
FOR SINGLE
ELEMENT HEATERS
EQUIPPED WITH HIGH
LIMIT CONTROL
FACTORY WIRED
----------
FIELD WIRING
† WHITE FOR 120V
AND 277V

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