TM 11-5840-208-30-1
TRANSFORMER COLOR CODE (RMA STANDARD)
COLOR OF
POWER
A-F TRANSFORMER
I-F
LOUDSPEAKER
LEAD
(ALSO LINE-TO-GRID AND TUBE-TO-LINE)
XFMR
FIELD
VOICE
BLACK
PRIMARY (COMMON FOR
GRID RETURN
GRID OR DIODE
START
TAPPED PRIMARY)
RETURN
BLACK AND
RED
FINISH OF TAPPED PRIMARY
START
BLACK AND
YELLOW
PRIMARY TAP
RED
HIGH VOLTAGE
B PLUS
B PLUS
RED AND
YELLOW
HIGH VOLTAGE TAP
FINISH
YELLOW
RECTIFIER FILAMENT
(CT-YELLOW AND BLUE)
GRID OR CENTER-TAPPED
SECONDARY
GREEN
FILAMENT NO. 1
(CT-GREEN AND YELLOW)
GRID
GRID OR DIODE
FINISH
BROWN
FILAMENT NO. 2
(CT-BROWN AND YELLOW)
PLATE OR CENTER-TAPPED
PRIMARY
SLATE
FILALENT NO. 3
TAP-SLATE
(CT-BROEM AND YELLOW
AND RED
BLUE
PLATE
PLATE
MOLDED FLAT PAPER CAPACITOR COLOR CODES
TEMPERATURE
COLOR
SIG
MULTIPLIER TOL CHARACTERISTIC
WORKING
FIG
VOLTAGE
BLACK
0
1
20
A
-
BROWN
1
10
-
B
100
2
-
C
200
RED
2
10
3
30
D
300
ORANGE
3
10
4
40
E
400
YELLOW
4
10
5
5
F
500
GREEN
5
10
6
-
G
600
BLUE
6
10
VIOLET
7
-
-
-
700
GRAY
8
-
-
-
800
WHITE
9
-
10
-
900
GOLD
-
0.1
5
-
-
CAPACITANCE IN FD. VOLTAGE
NOTES:
RATINGS EXPRESSED IN HUNDREDS
OP VOLTS. VOLTAGE RATINGS OVER
500 V EXPRESSEO IN TWO-DOT VOLTAGE
CODE
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