Standard for Suspended Ceiling Grid Low Voltage Systems and Equipment
1.1 These requirements cover suspended ceiling grid low voltage systems and equipment intended for
installation and use in accordance with the:
In Canada:
Canadian Electrical Code, Part I, Safety Standard for Electrical Installations, CSA
C22.1,
In the United States:
National Electrical Code (NEC), ANSI/NFPA 70.
1.2 The suspended ceiling grid low voltage systems covered by this standard…
Low-voltage electrical installations - Part 7-713: Requirements for special installations or locatio...
IEC 60364-7-713:2013 applies to the wiring system of furniture (and similar fitments) which is connected to the electrical installation. Examples are beds, cupboards, desks and shop display cases, in which electrical equipment such as luminaires, installation couplers according to IEC 61535, socket-outlets, switching devices and wiring systems are installed. This second edition cancels and…
Plugs, receptacles, and couplers for electric vehicles (Tri-national standard, with UL 2251 and NMX...
Scope
1.1 These requirements cover plugs, receptacles, vehicle inlets, vehicle connectors, and breakaway couplings, rated up to 800 amperes and up to 600 volts ac or dc, intended for conductive connection systems, for use with electric vehicles. These devices are for use in either indoor or outdoor nonhazardous locations in accordance with Annex A, Ref. No. 1.
1.2 This Standard does not directly…
Low-voltage switchgear and controlgear - Part 2: Circuit-breakers
IEC 60947-2:2006+A1:2009+A2:2013 applies to circuit-breakers, the main contacts of which are intended to be connected to circuits, the rated voltage of which does not exceed 1 000 V a.c. or 1 500 V d.c.; it also contains additional requirements for integrally fused circuit-breakers. The main changes introduced in this new edition are an amendment to the verification of dielectric properties, the…
Radio-frequency connectors - Part 26: Sectional specification for TNCA series RF coaxial connectors
IEC 61169-26:2013 is a sectional specification (SS), it provides information and rules for the preparation of detail specifications (DS) for TNCA series RF coaxial connectors, with characteristic impedance of 50 Ohms, with threaded coupling and operating frequency limit up to 18 GHz, used in wireless, communication, instrument, antenna, test and measurements, radar, and other fields, connecting…
Arc welding equipment - Part 2: Liquid cooling systems
IEC 60974-2:2013 specifies safety and construction requirements for industrial and professional liquid cooling systems used in arc welding and allied processes to cool torches. This part of IEC 60974 is applicable to stand-alone liquid cooling systems that are either connected to a separate welding power source or built into the welding power source enclosure. This part of IEC 60974 is not…
IEC 60974-7:2013 specifies safety and construction requirements for torches for arc welding and allied processes. This part of IEC 60974 is applicable to manual, mechanically guided, air-cooled, liquid-cooled, motorized, spool-on and fume extraction torches. In this part of IEC 60974, a torch consists of the torch body, the cable-hose assembly and other components. This part of IEC 60974 is also…
La CEI 60974-7:2013 spécifie les règles de sécurité et de construction applicables aux torches pour le soudage à l'arc et les procédés connexes. La présente partie s'applique pour les torches manuelles, guidées mécaniquement, refroidies par air, refroidies par liquide, motorisées, enroulées et avec extraction de fumée. Dans la présente partie de la CEI 60974, une torche comprend le…
Road vehicles — FlexRay communications system — Part 4: Electrical physical layer specification
ISO 17458-4:2013 specifies the electrical physical layer for FlexRay communications systems.
The electrical physical layer for FlexRay is designed for time-triggered networks with data-rates up to 10 Mbit/s to connect automotive electronic control units (ECUs). The medium that is used is dual wires. Signalling on the bus is accomplished by asserting a differential voltage between those wires.…
Standard for N times 64 kilobit per second optical fiber interfaces between teleprotection and multi...
IEC 62843:2013(E) describes the interconnection details for N (where N = 1, 2 12) times 64 kilobit per second connections of teleprotection equipment to digital multiplexers using optical fiber. Requirements for both physical connection and the communications timing are also included.
