Outdoor lighting system and spike light for the same

An outdoor lighting system, comprising a power module, a receiver, a spike light and a PIR detection module, wherein the power module supplies power to the spike light, and the receiver receives a signal transmitted by the PIR detection module and controls the power module;

• the spike light comprises a number of lighting lamp devices, a post and a pedestal;
• the post is arranged on the pedestal, the lighting lamp devices are arranged on the post, and the direction and height of the lighting lamp devices can be adjusted as required;
• a guide rail is provided on the post, and a number of electric wires in a same circuit are provided within the post;
• each of the lighting lamp devices comprises a lamp and a socket assembly, the socket assembly comprising a plug having a pin at one end thereof and a jack at the other end thereof, the plug being snapped onto the post in a direction perpendicular to the post, the pin being inserted into the guide rail and puncturing the electric wires within the post;
• and, an electric wire is provided on the lamp, and one end, away from the lamp, of the electric wire for the lamp is inserted into the jack and electrically connected to the pin.