[Code of Federal Regulations] [Title 46, Volume 4] [Revised as of October 1, 2002] From the U.S. Government Printing Office via GPO Access [CITE: 46CFR111.52-1] [Page 231] TITLE 46--SHIPPING CHAPTER I--COAST GUARD, DEPARTMENT OF TRANSPORTATION (CONTINUED) PART 111--ELECTRIC SYSTEMS--GENERAL REQUIREMENTS--Table of Contents Subpart 111.52--Calculation of Short-Circuit Currents Sec. 111.52-1 General. The available short-circuit current must be computed-- (a) From the aggregate contribution of all generators that can simultaneously operate in parallel; (b) From the largest probable motor load; and (c) With a three phase fault on the load terminals of the protective device. [CGD 74-125A, 47 FR 15236, Apr. 8, 1982, as amended by CGD 94-108, 61 FR 28279, June 4, 1996]