Living Green - Episode 30 - World's Largest Rotating Christmas Star

The video explains a lighting installation that uses 9000 Siemens Osram LEDs, powered by a wind turbine. The energy consumption is comparable to a hair dryer or water kettle. Nearly 400 meters of power cables connect the LEDs, which are attached to wind turbine blades, highlighting energy efficiency.

What is the energy consumption of the lighting installation compared to?

• A refrigerator

• A washing machine

• A hair dryer

• A microwave oven

What type of LEDs are used in the lighting installation?

• GE

• Panasonic

• Siemens Osram

• Philips

How is the lighting installation powered?

• Solar panels

• Hydroelectric power

• Wind turbine

• Geothermal energy

Approximately how many meters of power cables were used in the installation?

• 600 meters

• 800 meters

• 400 meters

• 200 meters

Where are the LEDs fastened in the installation?

• On the wind turbine blades

• On the building walls

• On the ground

• On the roof