Low-voltage switchgear and controlgear - Part 6-2: Multiple function equipment - Control and protect...
IEC 60947-6-2:2020 This document applies to control and protective switching devices (or equipment) (CPS), the main contacts of which are intended to be connected to circuits of rated voltage not exceeding 1 000 V AC or 1 500 V DC.
It covers control and protective switching device (CPS):
- which provides protective and control functions for circuits and motors;
- where its control function is…
Small craft — Seacocks and through-hull fittings
This document specifies requirements for through-hull fittings, seacocks, hose connections, their fittings and their installation in small craft with a length of hull, LH, as defined in ISO 8666:2020, of up to 24 m.
This document is not applicable to engine and heater exhaust fittings, and sail drive through-hull fittings.
Household biogas system requirements: design, installation, operation, maintenance and safety
This document covers the requirements for the design, installation, operation, maintenance and the safety of Household Biogas Systems (HBSs), producing biogas in an amount equivalent to an installation capacity of less than 100 MWh per year.
The document applies to HBSs comprising of pipeline and equipment with pressure levels of less than 5 kPa.
Any equipment or appliances connected to an HBS or…
1 Scope
1.1 Introduction
1.1.1 Fire fighters (FF) performing operations involving buildings with attached or integrated Photovoltaic
(PV) arrays may be exposed to electrical hazards from damaged PV equipment. These requirements
provide a means for evaluation of PV Hazard Control components, equipment and systems that provide a
reduced level of shock hazard from energized PV system equipment…
Petroleum and natural gas industries — Compact flanged connections with IX seal ring
This document specifies detailed manufacturing requirements for circular steel and nickel alloy compact flanged connections and associated seal rings, for designated pressures and temperatures in class designations CL 150 (PN 20) to CL 1500 (PN 260) for nominal sizes from DN 15 (NPS ½) to DN 1200 (NPS 48), and for CL 2500 (PN 420) for nominal sizes from DN 15 (NPS ½) to DN 600 (NPS 24).
NOTE…
Electric vehicle conductive charging system - Part 25: DC EV supply equipment where protection relie...
IEC 61851-25:2020 applies to the DC EV supply equipment for charging electric road vehicles with a rated supply voltage of up to 480 V AC or up to 600 V DC, with rated output voltage not exceeding 120 V DC and output currents not exceeding 100 A DC.
This document provides the requirements for the DC EV supply equipment where the secondary circuit is protected from the primary circuit by…
1 Scope
1.1
This Standard provides requirements for grade-level, in-ground enclosures. The enclosures are made of polymer concrete, composite, or plastic (enclosure covers may be made of metal), intended for conductors and connections at voltages 750 V or less.
1.2
These enclosures are not intended to be installed where vehicular traffic normally occurs.
1.3
These enclosures are intended to…