ANSI C136.21-2014 covers the attachment features of vertical tenons on pole tops or brackets used in roadway and area lighting that permit the interchangeability of post top-mounted luminaires.
ANSI C136.21-2014 History
ANSI C136.21-2014
$32.00 $64.00
ANSI C136.21-2004 (R2009)
$23.00 $47.00
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