We are builders of industrial packaging type machinery. A good customer of ours has asked if we comply with NFPA 70E, in particular Arc Flash. We are unsure how to calculate for Arc Flash and what is involved with compliance. Can anyone make some suggestions, or possibly guide me to some info on this topic? Most of our machines are fused with "J" class fuses at 30 amps or less. We typically don't know what the upstream feed to our machines is or where it comes from. One of our Electrical Supply vendors has indicated that the burden falls on the customer, not on the machine builder. I have seen viewing windows and external control access ports. These devices are touted to "reduce the risks of arc flash explosions", is this enough?
Any help would be greatly appreciated.
Any help would be greatly appreciated.