Par 11-262 Page 11-120 FIGURE 11-40. SEALING UNUSED CONTACT CAVITIES—UNPRESSURIZED AREAS (CUT-AWAY VIEW) TAB LE 11-28. SEALING ROD DIMENSIONS
CONTACT SIZE (AWG)
DIAMETER (INCHES)
ROD LENGTH (INCHES)
MIN MAX 20 1/16 5/8” 3/4” 16 3/32 7/8” 1” 12 1/8 7/8” 1”
11-263. PRESSURIZED AREAS. Connectors installed in pressurized areas of the aircraft may be divided into two main installation categories, sealed and unsealed.
a. Sealed Connector Installations. Sealed connectors installed in pressurized areas must have their unused contact cavities filled with Teflon sealing plugs or rods. (See Figure 11-40.)
Installation of spare contacts is optional, except for future wiring addition requirements. (See paragraph 11-234). No stub wires are required.
b. Unsealed Connector Installations. It is not required to fill unused contact cavities of unsealed connectors installed in pressurized areas with Teflon sealing plugs or rods. Installation of spare contacts is optional, except for future wiring addition requirements.
(See paragraph 11-234.)
11-264.–11-270. [RESERVED.]
Par 11-271 Page 11-121 SECTION 20. ELECTRICAL AND ELECTRONIC SYMBOLS
11-271. GENERAL. The electrical and electronic symbols shown here are those that are likely to be encountered by the Aviation Maintenance Technician (AMT). They are in accordance with IEEE/ANSI 315-1975.
11-272. SYMBOLS. Only those symbols associated with aircraft electrical and electronic wiring have been listed in general. Refer to IEEE/ANSI 315-1975 for more specific detail on each symbol.
TABLE 11-29. ELECTRONIC/ELECTRICAL SYMBOLS
TABLE 11-29. ELECTRONIC/ELECTRICAL SYMBOLS (CONTINUED) Symbol Meaning Resistor Capacitor YVDE Anterna ЛГ Battery Thermal Element Thermomechanical Transducer Thermocouple Spark Gap Ignitor Cap Continuous Loop Fire Detector (Temperature Sensor) Ignitor Flug Par 11-272 Page 11-122
TABLE 11-29. ELECTRONIC/ELECTRICAL SYMBOLS (CONTINUED) Symbol Meaning www + Transmission Patch Conductor Cable Winng F Distribution Lines Transmission Lines Alternative or Conditioned Wiring Associated or Future Par 11-272 Page 11-123
TABLE 11-29. ELECTRONIC/ELECTRICAL SYMBOLS (CONTINUED) Symbol Meaning Intentional Isclation of Direct-Current Path in Coaxial or Waveguide Applications Waveguide Strip-Type Transmission Line Temination + 0411 Circuit Return Fressure-Tight Bulkhead Cable Gland Cable Sealing End Switching Function
- > • 11L Electrical Contact Par 11-272 Page 11-124
TABLE 11-29. ELECTRONIC/ELECTRICAL SYMBOLS (CONTINUED) Symbol Meaning 7706779 It to for fis fine Basic Contact Assemblies 177- Magnetic Blowout Coil Operating Coil Relay Coil J_
• Switch -.
ale ale Pushbutton, Momentary, or Spring- Retum Par 11-272 Page 11-125
TABLE 11-29. ELECTRONIC/ELECTRICAL SYMBOLS (CONTINUED) Symbol Meaning ojo Two-Circuit, Maintained, or Not Spring- Return Nonlocking Switching, Momentary, or Spring-Retur Locking Switch Combiration Locking and Nonlocking Switch Key-Type Switch Lever Switch Par 11-272 Page 11-126
TABLE 11-29. ELECTRONIC/ELECTRICAL SYMBOLS (CONTINUED) Symbol Meaning 8000 .... 29000 Selector or Multiposition Switch Safety Interlock a te Sensitive Switch Limit Switch 11100 Switches with Time-Delay Feature Flow-Actuated Switch Par 11-272 Page 11-127
TABLE 11-29. ELECTRONIC/ELECTRICAL SYMBOLS (CONTINUED) Symbol Meaning Liquid-Level Actuated Switch Pressure- or Vacuum-Actuated Switch Temperature-Actuated Switch Thermostat Flasher Self-Interrupting Switch Foot-Operated Switch Foot Switch Switch Operated by Shaft Rotation and Responsive to Speed or Direction Chai aIo Switches with Specific Features Par 11-272 Page 11-128
TABLE 11-29. ELECTRONIC/ELECTRICAL SYMBOLS (CONTINUED) Symbol Meaning Governor Speed Regulator
AC D DP MC
I P DB EP NB ) SO SA SW ) SR L ML FR · Relay Inertia Switch Mercur Switch Terminals Par 11-272 Page 11-129
TABLE 11-29. ELECTRONIC/ELECTRICAL SYMBOLS (CONTINUED) Symbol Meaning Cable Termination → Connector Disconnecting Device Connectors of the Type Commonly Used for Power-Supply Purposes Test Blocks Coaxial Connector Waveguide Flanges Waveguide Junction Par 11-272 Page 11-130
TABLE 11-29. ELECTRONIC/ELECTRICAL SYMBOLS (CONTINUED) Symbol Meaning Fuse Lightning Arrester Arrester Gap Circuit Breaker
- CC Protective Relay F S GP T =00 Audible-Signaling Device Microphone Par 11-272 Page 11-131