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Zpracovatel: Oborové normaliza?ní st?edisko spoj? — Technická úst?edna spoj?. Odborn? pracovník in?. Alois Myslive?ek. Pracovník ??adu pro
Rules for protection of telecommunica tion lines and devices against dangerous influences of three-phase H.V. and E.H.V. lines
An optical fiber cable containing metallic components is susceptible to lightning damage for both aerial and buried constructions. Two theoretical
Protection of Telecommunication Lines and Equipment Against Lightning Discharges Chapters 9 and 10
Protection of Telecommunication Lines and Equipment Against Lightning Discharges (Chapters 1 thru 5)
Protection of Telecommunication Lines and Equipment Against Lightning Discharges (Chapters 9 and 10)
Protection of Telecommunication Lines and Equipment Against Lightning Discharges (Chapters 6@ 7 and 8)
MOLY DISULFIDE DRY FILM LUBRICANT I N ACCORDANCE WITH MIL-L-46010 IS DESIGNATED BY CODE LETTER "M
Protection of Fluid Lines and Equipment Superseded - June 1969 (Rev. 2) [Use: AIA/NAS NAS 850]
1.1 These specifications cover the equipment making up the temporary grounding system used on de-energized electric power lines, electric supply
Standard Specifications for Temporary Protective Grounds to Be Used on De-energized Electric Power Lines and Equipment
Interpretation Section 44. Additional rules for supply employees Rule 444D De-energizing equipment or lines to protect employees— Employees
Interpretation Section 44. Additional rules for supply employees Rule 444D De-energizing equipment or lines to protect employees— Employees protective grounds (2007 Edition, page 276) (29 October 2008) IR554
Zpracovatel: V?zkumn? ústav dopravní v Praze: Ing. Dr. Viktorin, CSc Pracovník ??adu pro normalizaci a mě?ení: Ing. Po?ízka
Rules for protection of telecommunication and signalling lines and devices against dangerous and disturbing influences of the 25 kV, 50c/s electric traction
This standard applies to Surge-protective Devices (SPDs) intended to be installed on the load side of the service equipment connected to 50 Hz or 60
Standard Test Specifications for Surge-Protective Devices (SPDs) for Use on the Load Side of the Service Equipment in Low Voltage (1000 V and less) AC Power Circuits
FIXED RAILWAY EQUIPMENT. CONDUITS FOR PROTECTION OF UNDERGROUND ELECTRICAL INSTALLATIONS,WITHOUT CONCRETE CASING.
Appareillage électrique pour aéronefs - Conjoncteur-disjoncteur différentiel à protection de feeder.
本部分规定了光线路保护系统的术语和定义、通用管理功能要求、系统硬件要求、试验方法、检验规则、标志、包装、运输和贮存。 本部分适用于智能化的光线路保护系统
Intelligent optical protect system Part 1: optical line protection system
1.1 本标准适用于按ANSI CI～1978《美国电气法规》第800条规定使用的通信线路保护器。 1.2 本标准涉及的通信线路保护器由单对和多对带有或不带有熔断器或其它限压装置的空气隙避雷器或气体管避雷器组成，保护器用于保护设备、电线和人身免受因雷击、触及电源线、电源感应和地电位
Communication line protectors
Zpracovatel: Oborové normaliza?ní st?edisko spoj? — Technická úst?edna spoj?. Odborn? pracovník in?. Alois Myslive?ek. Pracovník ??adu pro
Rules for protection of telecommunica tion lines and devices against dangerous influences of three-phase H.V. and E.H.V. lines
An optical fiber cable containing metallic components is susceptible to lightning damage for both aerial and buried constructions. Two theoretical
Protection of Telecommunication Lines and Equipment Against Lightning Discharges Chapters 9 and 10
Protection of Telecommunication Lines and Equipment Against Lightning Discharges (Chapters 1 thru 5)
Protection of Telecommunication Lines and Equipment Against Lightning Discharges (Chapters 9 and 10)
Protection of Telecommunication Lines and Equipment Against Lightning Discharges (Chapters 6@ 7 and 8)
MOLY DISULFIDE DRY FILM LUBRICANT I N ACCORDANCE WITH MIL-L-46010 IS DESIGNATED BY CODE LETTER "M
Protection of Fluid Lines and Equipment Superseded - June 1969 (Rev. 2) [Use: AIA/NAS NAS 850]
1.1 These specifications cover the equipment making up the temporary grounding system used on de-energized electric power lines, electric supply
Standard Specifications for Temporary Protective Grounds to Be Used on De-energized Electric Power Lines and Equipment
Interpretation Section 44. Additional rules for supply employees Rule 444D De-energizing equipment or lines to protect employees— Employees
Interpretation Section 44. Additional rules for supply employees Rule 444D De-energizing equipment or lines to protect employees— Employees protective grounds (2007 Edition, page 276) (29 October 2008) IR554
Zpracovatel: V?zkumn? ústav dopravní v Praze: Ing. Dr. Viktorin, CSc Pracovník ??adu pro normalizaci a mě?ení: Ing. Po?ízka
Rules for protection of telecommunication and signalling lines and devices against dangerous and disturbing influences of the 25 kV, 50c/s electric traction
This standard applies to Surge-protective Devices (SPDs) intended to be installed on the load side of the service equipment connected to 50 Hz or 60
Standard Test Specifications for Surge-Protective Devices (SPDs) for Use on the Load Side of the Service Equipment in Low Voltage (1000 V and less) AC Power Circuits
FIXED RAILWAY EQUIPMENT. CONDUITS FOR PROTECTION OF UNDERGROUND ELECTRICAL INSTALLATIONS,WITHOUT CONCRETE CASING.
Appareillage électrique pour aéronefs - Conjoncteur-disjoncteur différentiel à protection de feeder.
本部分规定了光线路保护系统的术语和定义、通用管理功能要求、系统硬件要求、试验方法、检验规则、标志、包装、运输和贮存。 本部分适用于智能化的光线路保护系统
Intelligent optical protect system Part 1: optical line protection system
1.1 本标准适用于按ANSI CI～1978《美国电气法规》第800条规定使用的通信线路保护器。 1.2 本标准涉及的通信线路保护器由单对和多对带有或不带有熔断器或其它限压装置的空气隙避雷器或气体管避雷器组成，保护器用于保护设备、电线和人身免受因雷击、触及电源线、电源感应和地电位
Communication line protectors
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