Fittings made from unplasticized poly(vinyl chloride) (PVC-U), chlorinated poly(vinyl chloride) (PVC...
This part of ISO 727 specifies the dimensions, in millimetres, of plain sockets (cylindrical and conical), for the inch-based pipe series, in fittings made from unplasticized poly(vinyl chloride) (PVC-U), chlorinated poly(vinyl chloride) (PVC-C) or acrylonitrile/butadiene/styrene (ABS), intended for connecting by solvent cementing to pipes of the corresponding material for use under pressure. The…
Information technology - Enhanced communications transport protocol: Specification of simplex multic...
This Recommendation | International Standard specifies the Enhanced Communications Transport Protocol (ECTP),
which is a transport protocol designed to support Internet multicast applications over multicast-capable IP networks.
This Recommendation | International Standard specifies the ECTP for the simplex multicast transport connection that
consists of one sender and many receivers. This…
Power transformers - Part 4: Guide to the lightning impulse and switching impulse testing - Power tr...
Gives guidance and explanatory comments on the existing procedures for lightning and switching impulse testing of power transformers to supplement the requirements of IEC 60076-3. Also generally applicable to the testing of reactors (see IEC 60289), modifications to power transformer procedures being indicated where required. Information is given on waveshapes, test circuits including test…
Gas Hose Connectors for Portable Outdoor Gas-Fired Appliances
1.1 Scope
1.1.1
This standard applies to gas hose connectors (see Part IV, Definitions), hereinafter referred to as connectors. They are conduits for conveying gas and depend for gas-tightness on the wall structure of the hose material. Such connectors shall be:
a. Newly produced and constructed entirely of new, unused parts and materials; and
b. Equipped with a fitting at…
Luminaires - Part 2-20: Particular requirements - Lighting chains
Specifies requirements for lighting chains fitted with series or parallel connected incandescent lamps for use indoors or outdoors on supply voltages not exceeding 250 V. The contents of the interpretation sheets of March 2001, July 2003 and July 2003 have been included in this copy. This consolidated version consists of the second edition (1996), its amendment 1 (1998) and its amendment 2 (2002…
Electricity metering - Data exchange for meter reading, tariff and load control - Part 21: Direct lo...
Describes hardware and protocol specifications for local meter data
exchange. In such systems, a hand-held unit (HHU) or a unit with equivalent functions is connected to a tariff device or a group of devices.
This publication is of high relevance for Smart Grid.
Equipements de mesure de l'énergie électrique - Echange des données pour la lecture des compteu...
Décrit le matériel et les protocoles des échanges de
données de compteurs effectués en local. Dans ces systèmes, un terminal de saisie portable (TSP) ou un appareil aux fonctions équivalentes est connecté à un ou plusieurs appareils de
tarification.
Information technology - Small Computer System Interface (SCSI) - Part 112: Parallel Interface-2 (SP...
The SCSI parallel interface is a local I/O bus that may be operated over a wide range of transfer rates.The objectives of the SCSI parallel interface are: a) To provide host computers with device independence within a class of devices. Thus,different disk drives, tape drives, printers, optical media drives and other devices may be added to the host computers without requiring modifications to…
