These are different types of test cords used in a

TOLL Office.

The gray cord on the bottom left is about a 6' cord 
with a 464 double ended plug on each end.

The 12' Green cord on top right has a 425A plug on
each end.

The 6' Gray cord on the bottom right has a 464C
plug on one end and four circle tips on the other.

The 15' Dark Gray cord on the top left has a split 

cord on one end with two 310 plugs and a 425A

plug on the other.

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