ANSI C136.21-2024 PDF
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.
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American National Standard for Roadway and Area Lighting Equipment— Vertical Tenons Used with Post Top-mounted Luminaires
American National Standards Institute , 03/12/2024
ANSI C136.21-2024 PDF
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.