Whats the difference between fluorescent, incandescent, halogen and HID globes?

Fluorescent globes (also referred to as compact fluorescent lights or CFLs):

  • CFL's turn electricity into light rather than heat

  • small amount of mercury sealed inside the bulb

  • last much longer than traditional incandescent light globes

Incandescent globes:

  • traditional globe turning electricity mainly into heat, with light as a by-product

  • globes are hot to touch

  • the first form of electric lighting in the home

  • highly disposable compared to fluorescent tubes

Halogen lights (also known as low-voltage lights):

  • type of incandescent light, are mainly used for recessed down-lights

  • large portion of energy used is expelled as heat not light,like incandescent globes

  • fitted with transformers to convert the standard household240 volts to 12 volts

  • narrow light beam when compared to the other types of globes so several are required instead of one incandescent or fluorescent light bulb

  • actually use more energy per square metre of light than fluorescent globes

High-intensity discharge (HID):

  • family of lamps producing high light output for their size,including:

  • mercury vapour

  • metal halide

  • low-pressure sodium

  • high-pressure sodium

  • powerful, compact and efficient light source

  • created in the 1960s and used widely as industrial lighting -now used in commercial and residential environments

Have you seen these other FAQ?

•  How many staff members does it take to change a light globe?

•  Can we perform our own •  Does Globe Jockeys supply light globes only?

•  How does Globe Jockeys dispose of the old lamps?

•  If there is an electrical problem, can Globe Jockeys do the repair?

•  Can Globe Jockeys repair and replace lights at high levels?

•  Do you need an electrician to change a light globe?

•  What are the different shapes of fluorescent light globes and their uses?

•  Can you use a dimmer with fluorescent globes?

•  What fluorescent light is right for my mood?

•  What does kelvin mean?

•  Are fluorescent light globes better for the environment or incandescent globes?

•  Is the mercury in fluorescent globes bad for the environment and my family?

•  How should I clean up broken or spent fluorescent lamps?

•  Are fluorescent globes more expensive?

•  What part of fluorescent globes are actually recycled?

•  How are fluorescent globes recycled?

•  What types of globes can be recycled?

•  What should I do with spent fluorescent globes?

•  What is the Australian Government doing about recycling fluorescent globes?

•  What is the cause of flickering light?

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