1. I am about 35 centimetres long, made of tin and would have been used before electricity was widespread.
2. Roland Kennedy from today's story probably used one before it got dark.
3. I am hollow inside and a long wire runs through my length.
4. A spout is attached to the outside of me.
5. I helped fuel something.

Last week's answer: I am a brass crocodile that can be used for cracking nuts.