Certain material is incorporated by reference into this part with the approval of the Director of the Federal Register under 5 U.S.C. 552(a) and 1 CFR part 51. All approved material is available for inspection at the Rural Utilities Service, U.S. Department of Agriculture, Room 5170-S, Washington, DC 20250-1522, call (202) 720-8674 and is available from the sources listed in this section. It is also available for inspection at the National Archives and Records Administration (NARA). For information on the availability of this material at NARA, email [email protected] or go to www.archives.gov/federal-register/cfr/ibr-locations.html.

(a) Rural Utilities Service, U.S. Department of Agriculture, Room 5170-S-S, U.S. Department of Agriculture, Washington, DC 20250. For information on the availability of this material, call (202) 720-8674 or go to: https://www.rd.usda.gov/publications/regulations-guidelines/bulletins.

(1) Bulletin 50-4 (D-801), Specification and Drawings for 34.5/19.9 kV Distribution Line Construction (11-86), incorporation approved for § 1728.98.

(2) Bulletin 50-15 (DT-3), RUS Specifications for Pole Top Pins with 1 3/8′ Diameter Lead Thread (1-51), incorporation approved for § 1728.98.

(3) Bulletin 50-16 (DT-4), RUS Specifications for Angle Suspension Brackets (3-52), incorporation approved for § 1728.98.

(4) Bulletin 50-19 (DT-7), RUS Specifications for Clevis Bolts (8-53), incorporation approved for § 1728.98.

(5) Bulletin 50-23 (DT-18), RUS Specifications for 60″ Wood Crossarm Braces (2-71), incorporation approved for § 1728.98.

(6) Bulletin 50-31 (D-3), RUS Specifications for Pole Top Pins with 1” Diameter Lead Threads (2-79), incorporation approved for § 1728.98.

(7) Bulletin 50-32 (D-4), RUS Specifications for Steel Crossarm Mounted Pins with 1″ Diameter Lead Threads (10-50), incorporation approved for § 1728.98.

(8) Bulletin 50-33 (D-5), RUS Specifications for Single and Double Upset Spool Bolts (2-51), incorporation approved for § 1728.98.

(9) Bulletin 50-34 (D-6), RUS Specifications for Secondary Swinging Clevises (12-70), incorporation approved for § 1728.98.

(10) Bulletin 50-35 (D-7), RUS Specifications for Service Swinging Clevises (9-52), incorporation approved for § 1728.98.

(11) Bulletin 50-36 (D-8), RUS Specifications for Service Deadend Clevises (9-52), incorporation approved for § 1728.98.

(12) Bulletin 50-40 (D-14), RUS Specifications for Pole Top Brackets for Channel Type Pins (9-51), incorporation approved for § 1728.98.

(13) Bulletin 50-41 (D-15), RUS Specifications for Service Wireholders (11-51), incorporation approved for § 1728.98.

(14) Bulletin 50-55 (T-2), RUS Specifications for Overhead Ground Wire Support Brackets (5-53), incorporation approved for § 1728.98.

(15) Bulletin 50-56 (T-3), RUS Specifications for Steel Plate Anchors for Transmission Lines (12-53), incorporation approved for § 1728.98.

(16) Bulletin 50-60 (T-9), RUS Specification—Single Pole Steel Structures, Complete with Arms (12-71), incorporation approved for § 1728.98.

(17) Bulletin 50-72 (U-4), RUS Specification for Electrical Equipment Enclosures (5-35 kV) (10-79), incorporation approved for § 1728.98.

(18) Bulletin 50-73 (U-5), RUS Specifications for Pad-Mounted Transformers (Single and Three-Phase) (1-77), incorporation approved for § 1728.98.

(19) Bulletin 50-74 (U-6), RUS Specification for Secondary Pedestals (600 Volts and Below) (10-79), incorporation approved for § 1728.98.

(20) Bulletin 50-91 (S-3), RUS Specifications for Step-Down Distribution Substation Transformers (34.4-138 kV) (1-78), incorporation approved for § 1728.98.

(21) Bulletin 1728F-700, RUS Specification for Wood Poles, Stubs and Anchor Logs (April 18, 2022), incorporation approved for §§ 1728.98 and 1728.202.

(22) Bulletin 1728F-803, Specifications and Drawings for 24.9/14.4 kV Line Construction (10-98), incorporation approved for § 1728.98.

(23) Bulletin 1728F-804 (D-804), Specification and Drawings for 12.47/7.2 kV Line Construction, October 2005, incorporation approved for § 1728.98.

(24) Bulletin 1728F-806 (D-806) Specifications and Drawings for Underground Electric Distribution, October 11, 2018, incorporation approved for § 1728.98.

(25) Bulletin 1728F-810, Electric Transmission Specifications and Drawings, 34.5 kV to 69 kV (3-98), incorporation approved for §§ 1728.98 and 1728.201.

(26) Bulletin 1728F-811, Electric Transmission Specifications and Drawings, 115 kV to 230 kV (3-98), incorporation approved for §§ 1728.98 and 1728.201.

(b) American Institute of Timber Construction (AITC), 7012 S Revere Park Way, Englewood, Colorado 80112, telephone (303) 792-9559, web address: https://www.aitc-glulam.org/index.asp.

(1) AITC 200-2009, Manufacturing Quality Control Systems Manual For Structural Glued Laminated Timber, copyright 2009, incorporation by reference approved for §§ 1728.201 and 1728.202.

(2) [Reserved]

(c) American National Standards Institute (ANSI), 25 West 43rd Street, New York, New York 10036, telephone (212) 642-4900, Web address: http://www.ansi.org.

(1) ANSI O5.2-2020, Structural Glued Laminated Timber for Utility Structures, approved January 10, 2020, incorporation by reference approved for §§ 1728.201 and 1728.202.

(2) ANSI O5.3-2015, Solid Sawn Wood Crossarms & Braces: Specifications & Dimensions, approved January 9, 2015, incorporation by reference approved for § 1728.201.

(d) ASTM International, 100 Barr Harbor Drive, West Conshohocken, PA 19428-2959, Telephone: (610) 832-9585, website: www.astm.org.

(1) ASTM B 3-01 (Reapproved 2007)—Standard Specification for Soft or Annealed Copper Wire, (ASTM B 3-01) approved March 15, 2007, incorporated by reference approved for § 1728.204.

(2) ASTM B 8-04—Standard Specification for Concentric-Lay-Stranded Copper Conductors, Hard, Medium-Hard, or Soft (ASTM B 8-04), approved April 1, 2004, incorporated by reference approved for § 1728.204.

(3) ASTM B 230/B 230M-07—Standard Specification for Aluminum 1350-H19 Wire for Electrical Purposes (ASTM B 230/B 230M-07), approved March 15, 2007, incorporated by reference approved for § 1728.204.

(4) ASTM B 231/B 231M-04—Standard Specification for Concentric-Lay-Stranded Aluminum 1350 Conductors (ASTM B 231/B 231M-04), approved April 1, 2004, incorporated by reference approved for § 1728.204.

(5) ASTM B 400-08—Standard Specification for Compact Round Concentric-Lay-Stranded Aluminum 1350 Conductors (ASTM B 400-08), approved September 1, 2008, incorporated by reference approved for § 1728.204.

(6) ASTM B 496-04—Standard Specification for Compact Round Concentric-Lay-Stranded Copper Conductors (ASTM B 496-04), approved April 1, 2004, incorporated by reference approved for § 1728.204.

(7) ASTM B 609/B 609M-99—Standard Specification for Aluminum 1350 Round Wire, Annealed and Intermediate Tempers, for Electrical Purposes (ASTM B 609/B 609M-99), approved April 1, 2004, incorporated by reference approved for § 1728.204.

(8) ASTM B 786-08—Standard Specification for 19 Wire Combination Unilay-Stranded Aluminum 1350 Conductors for Subsequent Insulation (ASTM B 786-08), approved September 1, 2008, incorporated by reference approved for § 1728.204.

(9) ASTM B 787/B 787M-04—Standard Specification for 19 Wire Combination Unilay-Stranded Copper Conductors for Subsequent Insulation (ASTM B 787/B 787M-04), approved September 1, 2004, incorporated by reference approved for § 1728.204.

(10) ASTM B 835-04—Standard Specification for Compact Round Stranded Copper Conductors Using Single Input Wire Construction (ASTM B 835-04), approved September 1, 2004, incorporated by reference approved for § 1728.204.

(11) ASTM B902-04a—Standard Specification for Compressed Round Stranded Copper Conductors, Hard, Medium-Hard, or Soft Using Single Input Wire Construction (ASTM B902-04a), approved September 1, 2004, incorporated by reference approved for § 1728.204.

(12) ASTM D 1248-05—Standard Specification for Polyethylene Plastics Extrusion Materials for Wire and Cable (ASTM D 1248-05), approved March 1, 2005, incorporated by reference approved for § 1728.204.

(13) ASTM D 2275-01 (Reapproved 2008)—Standard Test Method for Voltage Endurance of Solid Electrical Insulating Materials Subjected to Partial Discharges (Corona) on the Surface (ASTM D 2275-01), approved May 1, 2008, incorporated by reference approved for § 1728.204.

(14) ASTM E 96/E 96M-05—Standard Test Methods for Water Vapor Transmission of Materials (ASTM E 96/E 96M-05), approved May 1, 2005, incorporated by reference approved for § 1728.204.

(e) American Wood Protection Association (AWPA), P.O. Box 361784, Birmingham, AL 35236-1784, telephone 205-733-4077, www.awpa.com.

(1) AWPA A6-20, Standard for the Determination of Retention of Oil-Type Preservatives from Small Samples, Revised 2020, incorporation by reference approved for § 1728.202.

(2) AWPA A9-20, Standard Method for Analysis of Treated Wood and Treating Solutions By X-Ray Spectroscopy, Revised 2020, incorporation by reference approved for § 1728.202.

(3) AWPA A15-19, Referee Methods, Revised 2019, incorporation by reference approved for § 1728.202.

(4) AWPA A30-18, Standard Method for the Determination of 4,5 Dichloro-2-n-octyl-4-isothiazolin-3 one (DCOI) in Wood and Solutions by High Performance Liquid Chromatography (HPLC), Revised 2018, incorporation by reference approved for § 1728.202.

(5) AWPA A69-18, Standard Method to Determine the Penetration of Copper Containing Preservatives, Reaffirmed 2018, incorporation by reference approved for § 1728.202.

(6) AWPA A70-18, Standard Method to Determine the Penetration of Pentachlorophenol Using a Silver-Copper Complex Known as Penta-Check, Reaffirmed in 2018, incorporation by reference approved for § 1728.202.

(7) AWPA A71-18, Standard Method to Determine the Penetration of Solvent Used with Oil-Soluble Preservatives, Reaffirmed 2018, incorporation by reference approved for § 1728.202.

(8) AWPA A83-18, Standard Method for Determination of Chloride for Calculating Pentachlorophenol in Solution or Wood, Reaffirmed 2018, incorporation by reference approved for § 1728.202.

(9) AWPA M2-19, Standard for the Inspection of Preservative Treated Products for Industrial Use, Revised 2019, incorporation by reference approved for § 1728.202.

(10) AWPA M3-16, Standard for the Quality Control of Preservative Treated Products for Industrial Use, Revised 2016, incorporation by reference approved for §§ 1728.201 and 1728.202.

(11) AWPA T1-20, Use Category System: Processing and Treatment Standard, Revised 2020, incorporation by reference § 1728.201.

(12) AWPA U1-20, Use Category System: User Specification for Treated Wood, Revised 2020, incorporation by reference approved for §§ 1728.201 and 1728.202.

(f) Insulated Cable Engineers Association (ICEA). The following material may be purchased from: IHS Global Engineering Documents, 15 Inverness Way East, Englewood, CO 80112, Phone: (303) 397-7956; (800) 854-7179, Fax: (303) 397-2740, email: [email protected], website: http://global.ihs.com.

(1) ANSI/ICEA S-94-649-2004—Standard for Concentric Neutral Cables Rated 5 Through 46 KV (ANSI/ICEA S-94-649-2004), approved September 20, 2005, incorporation by reference approved for § 1728.204.

(2) ANSI/ICEA T-31-610-2007—Test Method for Conducting Longitudinal Water Penetration Resistance Tests on Blocked Conductors (ANSI/ICEA T-31-610-2007), approved October 31, 2007, incorporated by reference approved for § 1728.204.

(3) ICEA T-32-645-93—Guide for Establishing Compatibility of Sealed Conductor Filler Compounds with Conducting Stress Control Materials (ICEA T-32-645-93), approved February 1993, incorporated by reference approved for § 1728.204.

(g) Southern Pine Inspection Bureau Standards, 4709 Scenic Highway, Pensacola, Florida 32504-9094, telephone (850) 434-2611. The web address for the Southern Pine Inspection Bureau is http://www.spib.org/.

(1) Standard Grading Rules for Southern Pine Lumber, 2014 Edition, effective January 25, 2014, incorporation by reference approved for § 1728.201.

(2) [Reserved]

(h) West Coast Lumber Inspection Bureau, P.O. Box 23145, Portland, Oregon 97281, telephone (503) 639-0651, fax (503) 684-8928. The web address for is http://www.wclib.org/.

(1) Standard No. 17, Grading Rules for West Coast Lumber, Revised September 1, 2018, incorporation by reference approved for § 1728.201.

(2) [Reserved]