Safety and EMC

1. TR — Technical Regulation or Technical Reglament (the same meaning applicable in CU documents)
2. LVE — Low Voltage Equipment
   LVD — Low Voltage Directive applicable for LVE
   EMC — Elrctro-Magnetic Compatibility applicable for LVE
   MD — means Machine Directive. For example, all electrical tools (like electric drill, planer etc) falls under 3 technical regulations: LVE + EMC + MD.
3. CU — Custom Union of 3 countries (it was until 2016): Russia, Belarus and Kazakhstan.
   Now it's reorganized into EAEU.
   EAEU — EurAsian Economic Union of 5 countries: Russia, Belarus, Kazakhstan and joined them Armenia and Kirghistan. So CU and EAEU is territory only.
4. CU TR or EAEU TR — Technical regulation of CU or EAEU are the same. So CU TR are equal to EAEU TR. If an equipment meets all requirement of all TRs applicable to the equipment in this case it should be marked by EAC mark.
5. EAC mark — EurAsian Conformity mark.
6. GOST mark — Russian national certification mark.
7. CoC — Certificate of Conformity
   DoC — Declaration of Conformity
   The procedure how to approve the equipment — by certification or declaration scheme — CoC or DoC is specified by specific CU | EAEU TR applicable.

Telecom

1. FAC — Federal Agency of Communication — a part of Russian Digital Ministry (under reorganization now)
2. PTN — Public Telecom Network is civil wire, optic, radio network for commercial services
3. GKRCH — federal multi-sectoral commission for frequency distribution
4. RFC — regional (local) Radio Frequency Center for monitoring of frequency usage