1. Scope
1.1
This Standard applies to polyamide pipe, tubing, and fittings for use in gas
mains and services. This includes gathering, transmission, and distribution
applications that carry fuel gases, which may contain aromatic hydrocarbons.
1.2
This Standard also applies to all types of fittings and connections used in a
plastic gas pipe system, including plastic-to-metal transition…
Adjustable speed electrical power drive systems - Part 3: EMC product standard including specific te...
Specifies EMC requirements for adjustable speed a.c. or d.c. motor
drives connected to mains supplies up to 1000v a.c.. Defines limits
and test methods
Information technology — Telecommunications and information exchange between systems — DTE to DTE di...
Describes an arrangement for interconnection of data terminal Equipment (DTE), without intermediate Data Circuit-terminating Equipment (DCE), in terms of electrical, mechanical and functional characteristics. Applies to DTEs with interface circuits standardised in CCITT-Rec. X.24 for transmission over public data networks (PDN). Replaces the first edition.
Information technology - Telecommunications and information exchange between systems - DTE to DTE di...
Describes an arrangement for interconnection of data terminal Equipment (DTE), without intermediate Data Circuit-terminating Equipment (DCE), in terms of electrical, mechanical and functional characteristics. Applies to DTEs with interface circuits standardised in CCITT-Rec. X.24 for transmission over public data networks (PDN). Replaces the first edition.
Applies to lampholders with Edison thread E14, E27 and E40, designed for connection to the supply of lamps and semi-luminaires only. Also applies to: -switched-lampholders for use in a.c. circuits only, where the working voltage does not exceed 250 V r.m.s; -lampholders with Edison thread E5 designed for connection to the supply mains of series connected lamps, with a working voltage not…
