IESNA Testing Procedures Committee. Photometry of Light Sources Subcommittee.

• IES approved method for electrical and photometric measurements of general service incandescent filament lamps
• IES approved method for the electrical and photometric measurements of fluorescent lamps
• IES approved method for the electrical and photometric measurements of low pressure sodium lamps
• IES approved method for the electrical and photometric measurements of single-ended compact fluorescent lamps
• IESNA approved method for the electrical and photometric measurement of high intensity discharge lamps