The main cable of 10 metres (SPT-1) has 4 fixed connectors distributed over the main cable to connect your lamps to. The main cable can be combined with a 21 and 60-Watt transformer.
You opt for a main cable with fixed connection points (connectors) if you want to be done in one go. There is a fixed connection point for your lamps every 2 metres. Purchasing separate connectors is not required. All Garden Lights lamps have a cable and connector suited for connecting to the fixed connection points. This is a SPT-1 cable