The colors correspond to the different functions of the line, and are not arbitrary. They are as follows:
Green: Ground
White: Neutral
Black: Ø 1
Blue: Ø 2
Red: Ø 3
In technical Rock Climbing a camlock is a type of Chock , shaped as an eccentric half-cylinder. As weight comes on a camlock, it attempts to rotate, tightening the anchor further.
