Futaba 4147 Heavy Duty Servo Extension 20 J Type
This extension goes between the receiver and the servo to make the wire longer. On one end of the wire is a male connector and on the other end of the wire is a female connector.
FEATURES: Connectors slide snugly together to guard against vibrating loose. Heavy 20-gauge wire handles higher current loads with ease.
INCLUDES: One Heavy Duty Futaba J-Series 500mm Servo Extension
SPECS:

• Wire Gauge: 20
• Length: 20-7/8 (530mm) (at ends of connectors)
• Wire Color Codes-
• Black: negative
• Red: positive
• White: signal (polarity tab is on the signal side)