spade lug การใช้

• Wires were wrapped by hand around binding posts or spade lugs and then soldered.
• The pigtail may be unterminated, or it may end in a preinstalled spade lug.
• The wiring system employed wires terminated with crimped spade lugs and slotted-screw terminals; most electrical connections in the phone could be disconnected or reconnected with a standard screwdriver.