Water heater disconnect required?

[Ravenvalor]

I apologize in advance for asking such a simple question. I do not know where to find this article.
Is a disconnect required for a water heater in a retail environment if there's a breaker lockout? Thanks

 

[LEO2854]

I apologize in advance for asking such a simple question. I do not know where to find this article.
Is a disconnect required for a water heater in a retail environment if there's a breaker lockout? Thanks

This should help.

422.31 Disconnection of Permanently Connected Appliances.


(B) Appliances Rated over 300 Volt-Amperes. For permanently connected appliances rated over 300 volt-amperes, the branch-circuit switch or circuit breaker shall be permitted to serve as the disconnecting means where the switch or circuit breaker is within sight from the appliance or is capable of being locked in the open position. The provision for locking or adding a lock to the disconnecting means shall be installed on or at the switch or circuit breaker used as the disconnecting means and shall remain in place with or without the lock installed.
Informational Note, For appliances employing unit switches, see 422.34.

 

[augie47]

IN the '08 Code, No.
In case that is not the applicable Code in your area, 422.31

 

[Ravenvalor]

Thanks for the help. I will note article 422.31