, Sicilian: Missina; Latin: Messana, Greek: Î¼ÎµÏÏÎ®Î½Î±) is the capital of the Italian province of Messina.
Arc Rating: A value of the energy necessary to pass through any given fabric to cause with 50% probability a second or third degree burn. This value is measured in calories/cmÂ². The necessary Arc Rating for an article of clothing is determined by a Hazard/Risk Assessment and the resulting HRC. Usually measured in terms of ATPV or EBT. Simple put the ARC rating determines the protective characteristics of the fabric. The higher the ARC rating value the greater the protection.
However, 240.86 has an. allowance for fuses or circuit breakers to protect downstream circuit breakers. where the available short-circuit current exceeds the downstream circuit. breakerâs interrupting rating. The term given to this is a series rated. combination, series rating, or series combination rating. The application of. series ratings has many technical limitations and additional NECÂ®. requirements that must be met for proper application.