TM 55-1930-209-14&P-10 CHAPTER 2 INTERIOR LIGHTING SYSTEM Section I.  Description and data 2-1 Description. The  interior  lighting  system  provides  both  normal  and  emergency  lighting  in  the  deck  house ROWPU  space,  dayroom,  workshop,  and  voids.    The  normal  lighting  system  arrangement  is  shown  in  Figure  2-1. Components  are  listed  in  Table  2-1.    The  emergency  lighting  system  arrangement  is  shown  in  Figure  2-2  and  its components  are  listed  in  Table  2-2.    The  normal  and  emergency  lighting  system  installations  are  shown  in  drawings referenced in Appendix A. 2-2 Equipment specifications a 10A rotary snap switch CAGEC 81349 Part No M15743/1-001 Military specification MIL-S-15743/1 Type DPST, 125 Vac, submersible Quantity 1 b 30A rotary snap switch CAGEC 81349 Part No M 15743/8-002 Military specification MIL-S-15743/8 Type DPDT, 500 Vac, submersible Quantity 2 c Fluorescent fixture (normal lighting) CAGEC 80064 Part No M16377/12-333.1 Military specification MIL-F-16377/12 Mounting Standard w/ white diffusing window assembly Bulb (3) 115 Vac, 20W cool white, fluorescent Quantity 74 (Barge 1) 77 (Barges 2 & 3) d Fluorescent fixture (emergency lighting) Part No M 16377/8-331.1 Military specification MIL-F-16377/8 CAGEC 81349 Type Watertight Mounting Standard Bulb (2) White diffusing, 20W, 115 Vac Quantity 18 (Barge 1) 19 (Barges 2 & 3) e Incandescent red light fixture CAGEC 81349 Part No M16377/27-93.2 Military specification MIL-F-16377/2 Type Watertight Mounting Deck Bulb 50W, red diffusing Quantity 4 f 3 PST door interlocking switch CAGEC 80064 Part No 9000 S6202 74303 Military specification S6202-74303 Type 125 Vac, 25A, Type EA52A Quantity 1 2-1