Alternate name for 3W or three-way/Three-fer. See also this thread: https://www.controlbooth.com/threads/fire-hazard-or-no-three-way-block.13526/ .
Alternate name for 3W or three-way/Three-fer. See also this thread: https://www.controlbooth.com/threads/fire-hazard-or-no-three-way-block.13526/ .