Code Q&A: Electric Water Heaters

NEC guidelines on sizing branch circuit conductors for water heaters

Q. How are the branch circuit conductors and overcurrent protection sized for electric water heaters (120 gal or less)? Please provide an example.

sizing branch circuit conductors and overcurrent protection for electric water heaters

Find the Answer

A. An electric water heater having a capacity of 120 gal or less is

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