What is Butt Set?
1.
Special test phone used by telephone repairmen. It has alligator clips on the leads so it can be quickly attached to the line connection screws on a circuit panel.
It is derived from the word "butt-in-ski" because it can be used to eavesdrop on phone calls.
For a photo, search Google Images for "butt set"
The line itself is dead. I hooked my butt set to the main panel and couldn't get a dial tone.
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