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ANSI C136.6 2004 Edition, 2004
Complete Document
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For Roadway and Area Lighting Equipment – Metal Heads and Reflector Assemblies Mechanical and Optical Interchangeability
Includes all amendments and changes through Reaffirmation Notice , 2012
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ANSI/NEMA MW 1000, 2014
Dimensional Features for Interchangeability

This standard covers dimensional features of luminaires with metal heads that permit mechanical and optical interchangeability of both head and reflector assemblies. 

Slipfitter Mounted Heads

The features covered in this standard apply to metal heads that are slipfitter mounted.

Reflector Assembly

The reflector assembly is of the latched collar type and may be part of an open or enclosed optical assembly.