I work for a utility so I fall under nesc but if I work past a service disconnect do I fall under nfpa70e ?
I work for a utility so I fall under nesc but if I work past a service disconnect do I fall under nfpa70e ?
you only fall under either code if your employer says so.
your employer can also decide that one code would apply sometimes and another at other times.
I would have to disagree with this as each code states in the Scope section the applicability of the code. Utilities will fall under NESC except for facilities that are not associated with transmission, distribution or generation. So the office building that contains the control center would fall under the NEC which includes NFPA 70E. The line of demarcation for most utilities is the weatherhead connection at the building for an overhead service. For a utility owned padmount txf, it is typically the secondary spades.
Likewise for OSHA, it would depend on where and what the work is. For example, for maintenance on distribution lines, it would be 1910. But for construction, it would be 1926.
neither code has been adopted by any governmental entity. it does not matter what the code says, it only applies if it is adopted by an employer. the fact that most employers (at least the smart ones) will adopt one of these two codes does not mean they have to.
... would fall under the NEC which includes NFPA 70E
NEC does not "include" NFPA70E. It is a completely separate code.
NEC itself is legally required in many jurisdictions. I don't believe there are any jurisdictions where NFPA70E is legally required. As a practical matter it makes sense to adopt it but it is not legally required.
If I go inside a facility to install a power quality meter and I see an arc flash study done and its 12 cal but nesc allows me o use 8 cal I need to follow whats on gear not nesc right?
If you are inside the facility, you are most likely on the secondary side of the utility transformer and in customer owned equipment. Since a study was done, then the proper equipment type was analyzed and you need to follow the arc flash label PPE requirements.