Still battling! I'm running out of ammo.
I met with a POCO supervisor at the site to look over what me have. We determined the 12 meter sockets are cold sequence (individual breakers before each meter socket). He tells me it's supposed to be hot sequence, ( after the meter) this is a 1600 amp switchboard with a Main OCP. So that means by what he saying the original installation is incorrectly installed. Highly unlikely. He's not going to make the customer change it, but he wants to see a main breaker at the store panel we installed to protect his equipment if something were to happen beyond the meter. My response was you have individual protection per the branch breakers . He's telling me, nope you need one main disconnect after the meter ( Hot sequence).
Here's the comical part. I asked if I could rewire the breaker in the main switchboard to hot sequence ,if that would satisfy him ? The answer is, we will get you a meter if you do that.
The problem is.
A- I have to shut down the entire switch board to make the change.
B- It will change the U.L. listing.
C- It will be confusing not to mention dangerous if some one were to work on the equipment later, not knowing one compartment was switched around.
I'm not even considering this option.
I believe it's should be cold sequence. I have a panel rep looking into the sequencing issue, we'll see were this goes.
I just thought of something. If I had a main OCP disconnect before a C.T. cabinet, I don't need a main breaker in the panel it's feeding to protect their equipment. Nor do I need one with a 277/480 volt service that requires hot sequenceing
Maybe I have a couple rounds in the chamber left.