Electrical - State Water Heaters 100 Series Instruction Manual

The installation must conform with these instructions and the Local/National code authority having jurisdiction and the requirements of the
power company. In the absence of Local/National codes, the installation must comply with the current editions of the National Electrical Code,
NFPA 70 or the Canadian Electrical Code CSA C22.1.
An electrical ground is required to reduce risk of electrical shock or possible electrocution. The water heater shall be connected to a separate
grounded branch circuit with over-current protection and an all pole, full disconnect switch. The water heater shall be grounded in accordance
with Local/National codes.
Voltage applied to the heater should not vary more than +5% to -10% of the model and rating plate marking for satisfactory operation.
All field wiring to be installed in approved conduit per local Local/National codes.
Not more than three conductors in raceway, cable, or earth (directly buried), based on ambient temperature of 30°C (86°F)
+ The load current rating and the overcurrent protection for these conductors shall not exceed 15 amperes for 14 AWG. 20 amperes for 12
AWG. and 30 amperes for 10 AWG copper; or 15 amperes for 12 AWG and 25 amperes for 10 AWG aluminum and copper-clad aluminum.
* For dry locations only. See 75°C column for wet locations.

electrIcal

tAble 6. - AllowAble AMPAcItIeS oF INSulAteD coNDuctorS
(Note: Table taken from the National Electric Code, NFPA 70 (United States))
General
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