Section 1728.98 - Electric standards and specifications(a) To comply with this part, you must follow the requirements contained in the following REA/RUS bulletins. These bulletins are incorporated by reference in § 1728.97 of this part. (1) Bulletin 50-4 (D-801), Specification and Drawings for 34.5/19.9 kV Distribution Line Construction (11-86).(2) Bulletin 50-15 (DT-3), RUS Specifications for Pole Top Pins with 13/8' Diameter Lead Thread (1-51).(3) Bulletin 50-16 (DT-4), RUS Specifications for Angle Suspension Brackets (3-52).(4) Bulletin 50-19 (DT-7), RUS Specifications for Clevis Bolts (8-53).(5) Bulletin 50-23 (DT-18), RUS Specifications for 60" Wood Crossarm Braces (2-71).(6) Bulletin 50-31 (D-3), RUS Specifications for Pole Top Pins with 1" Diameter Lead Threads (2-79).(7) Bulletin 50-32 (D-4), RUS Specifications for Steel Crossarm Mounted Pins with 1" Diameter Lead Threads (10-50).(8) Bulletin 50-33 (D-5), RUS Specifications for Single and Double Upset Spool Bolts (2-51).(9) Bulletin 50-34 (D-6), RUS Specifications for Secondary Swinging Clevises (12-70).(10) Bulletin 50-35 (D-7), RUS Specifications for Service Swinging Clevises (9-52).(11) Bulletin 50-36 (D-8), RUS Specifications for Service Deadend Clevises (9-52).(12) Bulletin 50-40 (D-14), RUS Specifications for Pole Top Brackets for Channel Type Pins (9-51).(13) Bulletin 50-41 (D-15), RUS Specifications for Service Wireholders (11-51).(14) Bulletin 50-55 (T-2), RUS Specifications for Overhead Ground Wire Support Brackets (5-53).(15) Bulletin 50-56 (T-3), RUS Specifications for Steel Plate Anchors for Transmission Lines (12-53).(16) Bulletin 50-60 (T-9), RUS Specification-Single Pole Steel Structures, Complete with Arms (12-71).(17) Bulletin 50-72 (U-4), RUS Specification for Electrical Equipment Enclosures (5-35 kV) (10-79).(18) Bulletin 50-73 (U-5), RUS Specifications for Pad-Mounted Transformers (Single and Three-Phase) (1-77).(19) Bulletin 50-74 (U-6), RUS Specification for Secondary Pedestals (600 Volts and Below) (10-79).(20) Bulletin 50-91 (S-3), RUS Specifications for Step-Down Distribution Substation Transformers (34.4-138 kV) (1-78).(21) Bulletin 1728F-700, RUS Specification for Wood Poles, Stubs and Anchor Logs, September 9, 2021.(22) Bulletin 1728F-803, Specifications and Drawings for 24.9/14.4 kV Line Construction (10-98).(23) Bulletin 1728F-804 (D-804), Specification and Drawings for 12.47/7.2 kV Line Construction, October 2005.(24) Bulletin 1728F-806 (D-806) Specifications and Drawings for Underground Electric Distribution), October 11, 2018.(25) Bulletin 1728F-810, Electric Transmission Specifications and Drawings, 34.5 kV to 69 kV (3-98).(26) Bulletin 1728F-811, Electric Transmission Specifications and Drawings, 115 kV to 230 kV (3-98).(b) The terms "RUS form", "RUS standard form", "RUS specification", and "RUS bulletin" have the same meanings as the terms "REA form", "REA standard form", "REA specification", and "REA bulletin", respectively unless otherwise indicated. 76 FR 36964 , June 24, 2011, as amended at 83 FR 55467 , Nov. 6, 2018; 84 FR 28191 , June 18, 2019; 86 FR 57020 , Oct. 14, 2021 As amended at 83 FR 55467, 11/6/2018; 84 FR 28191, 6/18/2019; 86 FR 57020, 10/14/2021