Of course it is, Bob!
300-4(g). Add a definition as follows:
(g)Subject to Physical Damage. Premises wiring systems installed less than 8 feet (2.44 m) above a walking surface or finished floor are considered subject to physical damage.
SF has some really heavy, and nearly facsist enforced and overly interpited codes: It's a culture in our building dept.
The romex deal is a strict enforcement of the interpitation of "Physical Damage" which also applies to MC as well. (As 300.4 mentions "Cable", but doesn't define what type.) Below 8' almost anything is subject to "Physical Damage" if they want it to be....
Another simular interpetation is for GEC's.
Then there are some others that are actually additional codes:
http://gcp.esub.net/cgi-bin/om_isap...nfran.nfo&softpage=browse_frame_pg42 Like: The ones from that site are interpeted in the following manner.
No PVC unless encased in concrete, or UG only for utility purposes. Exit in metalic conduit for either. All Service Conductors must be in RMC above 18" below grade.
No non-metalic wiring methods in Commercial at all.
Purple High-legs.
Anyway it has taken years to become aclimatized to the culture here. It can be a blessing, as many EC's have trouble working here. Some don't come back.... The one saving grace is that ALL Codes are STRICTLY ENFORCED! Really, they don't miss much.
