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Common Lamps

Common Lamps. Commercially Available Lamps and Their Features. Lamp Features and Specifications. Lamp Life – Average lifetime (usually in hours) of the lamp Wattage – Electrical Power that the Lamp consumes (Unit: Watts - duh!)

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Common Lamps

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  1. Common Lamps Commercially Available Lamps and Their Features Benjamin W. Kidd - ENGR-162/12

  2. Lamp Features and Specifications • Lamp Life – Average lifetime (usually in hours) of the lamp • Wattage – Electrical Power that the Lamp consumes (Unit: Watts - duh!) • Voltage – Rated Voltage to be used at. Usually incandescent/halogen lamps can run on either AC or DC. Do NOT Exceed the rated voltage. Benjamin W. Kidd - ENGR-162/12

  3. Lamp Features and Specifications • Beam Spread – The angle of coverage that most of the light is focused in. Benjamin W. Kidd - ENGR-162/12

  4. Base Types • Different Lamps use different types of bases. It is important to know which one you want. The “Medium” base is the most common, used in most residential Incandescent fixtures. Benjamin W. Kidd - ENGR-162/12

  5. Types of Lamps: • Type A – “Standard” type of lamp, used in most desk lamps, general purpose residential lighting. Type “A” Lamp (120V) Courtesy of www.mcmaster.com Benjamin W. Kidd - ENGR-162/12

  6. Types of Lamps: • PAR Type – Parabolic Aluminized Reflector, Reflecting/optical mechanisms are contained within the lamp. Often used for outdoor security lights. PAR 38 (120V) Lamp Courtesy of www.mcmaster.com PAR 36 (12V) Lamp Courtesy of www.mcmaster.com Benjamin W. Kidd - ENGR-162/12

  7. Types of Lamps: • R Type – “Reflector” lamp, typically used in Track lighting. More directional than “A” lamp but not as directional as PAR lamp. R40 (120V) Lamp Courtesy of www.mcmaster.com R20 (120V) Lamp Courtesy of www.mcmaster.com Benjamin W. Kidd - ENGR-162/12

  8. Types of Lamps: • MR 16 – A “contemporary” lamp used in decorative track lighting. Note this is a 12V lamp and CANNOT be used on 120V Systems directly. These are usually available in very directional models. MR16 (12V) Lamp Courtesy of www.mcmaster.com Benjamin W. Kidd - ENGR-162/12

  9. Dining Room Dimmers How to Build a Portable Incandescent Lamp Dimmer Benjamin W. Kidd - ENGR-162/12

  10. Building a Portable Dimmer Pack • Materials Pictures from www.lowes.com and www.allelectronics.com Benjamin W. Kidd - ENGR-162/12

  11. Cost Estimate Benjamin W. Kidd - ENGR-162/12

  12. Schematic Diagram Benjamin W. Kidd - ENGR-162/12

  13. Fusing the Dimmer • It is important to fuse the dimmer to protect against overloads and short circuits. • To properly size the fuse, you need to know the power rating of the dimmer. Then use P = V x I to calculate the fuse amperage. 600W/120V = 5A Benjamin W. Kidd - ENGR-162/12

  14. Wiring Diagram Benjamin W. Kidd - ENGR-162/12

  15. Final Product Benjamin W. Kidd - ENGR-162/12

  16. Korean 101 - 한국말 101 Let’s Learn to say Hello (formal tone) An-nyung-ha-se-yo 안녕하세요 Benjamin W. Kidd - ENGR-162/12

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