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Can grounding electrodes be used for more than one service?

F

Flexo

Registered User
Joined
Jan 28, 2018
Messages
48
Location
Cochise County Arizona
On a 100 year old commercial building there are three existing electrical services in one location. ( soon to be two 100 and one 200 amp services.)
An electrical contractor is upgrading one of the services, he asked if all three can use the same grounding electrodes. I don't have a 2014 NEC book handy. I know that 250.50 requires that all electrodes on the premises be utilized, this would seem to indicate that the electrodes may be utilized for more than one service. What do you know about this?
Thanks.
 
Absolutely YES, without a shadow of a doubt. Not a problem at all and has been done like that many times before. Just look at mobile home parks and setups for docks in the absence of a single service main.
 
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