Patent ID: 7481669

Claim:
A plug-in wiring structure of a photovoltaic device, comprising a U-shaped clip spring with multi-turning locking points and a U-shaped wiring terminal, wherein said U-shaped clip spring can fix a bus strap so that said bus strap can be pressed downward under the spring force of said U-shaped clip spring, to be connected to said U-shaped wiring terminal of said plug-in wiring structure of said photovoltaic device; and said U-shaped wiring terminal has two locking points and a curved bottom, for locking said U-shaped clip spring with multi-turning locking points thereto, and said U-shaped clip spring has locking points, a curved bottom and a side hook extending to tightly contact an opposite side portion so that said U-shaped clip spring can fit the locking points and the curved bottom of said U-shaped wiring terminal in an intensive manner, providing a locking for said bus strap.