Features :- - CIBSE LUX level recomendations - ROOM INDEX calculator - Utilisation factor calculator - LUX-Lumen conversions - Watt-Lumen conversions - Watt-LUX conversions - Candela-LUX conversions - Candela-Lumen conversions - LUX-footCandela conversions. - Color temperatures - Types of lamps - Lamp's properties - What is in the Ballast ? - Magnetic vs. electronic Ballast - Ballast connections - Types of ceiling - Reflectance factors chart. - Utilisation factor table. - Efficacy of fluorescent lamp - One gange/one way Switch. - Two gange/one way switch. - Three gange/one way switch. - Simple auto cad design. - Enclosure