IES

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File Format
Name IES
Ontology
Extension(s) .ies
PRONOM fmt/1288

The IESNA LM-63 photometric data file is an ASCII text file commonly used by North American lighting fixture manufacturers to distribute photometric information about their products.

File Identification

IES files are ascii text. Files begin with IESNA:LM-63-(year). Examples LM-63-1986, LM-63-1991, and LM-63-1995, and LM-63-2002

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