Time Delay Relay Module (0-10 seconds) Raspberry Pi 4 Model B (2GB Ram) Color Approximate Length Typical Use

Time Delay Relay Module (0 10 seconds) Raspberry Pi 4 Model B (2GB Ram) Color Approximate Length Typical Use Color Approximate Length Typical Use Red Various short lengths Power rail connections Orange Short to medium Signal routing Yellow Medium Mid range connections Green Medium Data lines Blue Medium to long Ground connections Purple Long Cross board jumps Black Various Ground references White Various General purpose + additional colors Assorted Sorted by length Note: Exact color to length mapping may vary by production batch which gives the user a choice of an operating system from the standard distributions Delayed Power On for Equipment: Protect sensitive electronics by introducing a startup delay allow power supplies to stabilize before activating downstream circuits Frequently Asked Questions