Technicians Handbook - Historic Naval Ships Association
Technicians Handbook - Historic Naval Ships Association
Technicians Handbook - Historic Naval Ships Association
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Figure 1-19.—Color code for transformers.Chassis Wiring IdentificationThe standard colors used in chassis wiring for the purpose of equipment circuit identification follow:CIRCUITGROUNDS, GROUNDED ELEMENTS, AND RETURNSBEATERS OR FILAMENTS, OFF GROUNDPOWER SUPPLY +V cc /+E bbSCREEN GRIDSEMITTERS/CATHODESBASES/CONTROL GRIDSCOLLECTORS/PLATESPOWER SUPPLY, -V cc /-E bbAC POWER LINESMISCELLANEOUS, ABOVE OR BELOW GROUND RETURNS,AUTOMATIC VOLUME CONTROL (AVC)COLORBLACKBROWNREDORANGEYELLOWGREENBLUEVIOLET (PURPLE)GRAYWHITESemiconductor Case Outlines, Color Coding, Lead Identification, and Pin PlacementCase outlines, color coding, lead identification, and pin placements of common semiconductordevices are used frequently by the technician and are included in figures 1-20, 1-21, and 1-22.1-54