Standard No.:	DL/T 766-2003
English Name:	Technical Requirements and Testing Method of Helical Fittings for OPGW
Chinese Name:	光纤复合架空地线(OPGW)用预绞式金具技术条件和试验方法
Chinese Classification:	K47    Electric transmission line and equipment
Professional Classification:	DL    Professional Standard - Electricity
Source Content Issued by:	National Technical Committee on Standardization of Aerial Lines (Electrical Hardware)
Issued on:	2003-01-09
Implemented on:	1905-6-25
Status:	superseded
Superseded by:	DL/T 766-2013 Technical Requirements and Tests for Helical Fittings of OPGW
Superseded on:	2013-8-1
Target Language:	English
File Format:	PDF
Word Count:	6000 words
Translation Price(USD):	150.0
Delivery:	via email in 1 business day

This national standard specifies technical requirements, test method, marking and packing of helical fittings for OPGW. This Standard is applicable to helical suspension clamps, tension clamps and dampers for optical fiber ground wires.

Foreword I 1. Scope 2. Normative references 3. Abbreviation 4. Product classification and technical requirements 4.1 Suspension clamps 4.2 Tension clamps 4.3 Dampers 4.4 Brandish-proof fittings 5. Test items 5.1 Suspension clamp 5.2 Tension clamps 5.3 Dampers 5.4 Brandish-proof fittings 5.5 Items list of fittings type approval test for OPGW 6. Test method 6.1 Optical signal attenuation measurement 6.2 Tension test 6.3 Breeze vibration fatigue test 6.4 Brandish fatigue test 6.5 Damping test 6.6 Vertical load test and turning angle test 6.7 Suspension clamp grip test 7. Acceptance inspection 7.1 Type approval test 7.2 Routine test 7.3 Referee test 8. Marking and packing Annex A (Normative) Breeze Vibration Fatigue Test Annex B (Normative) Brandish Fatigue Test Annex C (Informative) Suspension Clamp of OPGW Annex D (Informative) Tension Clamps of OPGW