Tech Talk is your on-line source for information about the science of outdoor lighting, especially as it relates to Gardco and Emco Lighting products. Whether you are looking for recommended footcandle levels for lighting a parking garage, area lighting rules of thumb or the inverse square law, Tech Talk is the place to come for answers. Click on a subject area below, or, if you have a question that you need answered, feel free to e-mail to one of our technical experts. Finally, feel free to explore other resources outside of the SiteLighting Website by visiting our Lighting Links page.

Construction and Materials
	In Case of Electrical Difficulty: Troubleshooting HID Luminaires
Site Layout and Performance
	Determining Basic Applicatlon Criteria
	Uniformity of Pavement Luminance
	Determining Pole Locations and Mounting Height
General Lighting
	Glare Control and Uniformity
	Glare Control

Quick Links to Lamp and Ballast Manufacturers

• Advance Transformers
• General Electric Lighting
• Hatch Transformers
• Iwasaki Electric
• Osram-Sylvania
• Philips
• Venture Lighting