The elements are still pretty much the same, Walmart just has more of
each item.
If you have a compliance department that knows all the rules, it is
just a process that you have done 100 times. When you are learning by
"citation and fine" it is not as intuitive.
In my wife's club, the municipality changed (same dirt, different
government) and the new life safety officer read the code different
than it had been interpreted for the last 25 years.
In real life, he was right and the previous guys were not keeping up.
There wasn't one single compliant business or club in the city of
Bonita for almost a year. Some just closed.
These codes change every 3 years. (another pet peeve of mine)
Because of bureaucratic inertia, by the time a code cycle is adopted,
a newer version is already out.
The problem with commercial codes is there is very little grand
fathering. The rule changes, you have to comply.
ADA is the worst and sometimes makes the least sense.
I am not an electrician but having some knowledge of electrical issues
it seems to me that some of the NFPA codes are getting a little carried
away. I can certainly understand the purpose of ground fault sensors,
especially on outdoor services but from what my son-in-law tells me
(he's a working, state licensed electrician) arc detection sensors and
other circuit protection are now required as well.
I discovered a while ago that ground fault protectors don't work well
with some inverter/battery chargers that use switching power supplies.
When they turn on the first half cycle fakes the ground fault out
causing it to trip. The first RV we had did this and it took me quite a
while to discover the problem. It worked fine on a circuit with no
ground fault detector but when plugged into a protected circuit it
tripped the ground fault every time.
Well ....
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