Light shone from a low wattage bulb hanging from a ceiling outlet; the shade was covered by wire mesh.

At each landing he pushed a button in the wall which turned on a low wattage bulb just long enough for them to reach the next landing.

The room was brightly lit by several tall standard lamps, each of which held a naked high wattage bulb.

You'll avoid the tendency of switching to a higher wattage bulb, which will use more energy.

"They use too high a wattage bulb," he said, often causing the socket to fall apart and the wire to dry out.

Only low wattage bulbs can be used, or they would create enough heat to melt the surrounding ice.

The nature of the bulb (and the nature of the sand) is what determines how much energy is used (different wattage bulbs might be like softer or harder sand).

Therefore, except where lighting is critical, lower wattage bulbs will do the job.

It was illuminated with low wattage bulbs.

Never heard of electric fires, night storage heaters, electric ovens, kettles, turning off lights, swapping for lower wattage bulbs, putting on a sweater or going to bed early?