Light chain composed by 3 wires special PVC cable H05V-K 1x0,75mm2 with 20 E14 lampholders (spaced 30cm) and 20 bulbs. 
Power cord H03VH7-H 2x0,75mm2 with European plug 2,5A - 250V for Class II appliance and female connector.
Consumption: 100 W
Extensible max 4 pcs. (consumption 400 W)