IEC TR 63079:2017+A1:2018+A2:2020 gives recommendations for and guidance on the design, planning, installation, testing, operation and maintenance of a hearing-loop system (HLS) intended for communicating speech, music and/or other signals. It is mainly concerned with HLS for hearing enhancement, in which the signals are communicated to users of hearing aids equipped with magnetic pick-up coils.…
Light emitting diode (LED) equipment for lighting applications
1 Scope
1.1
1.1.1
The requirements specified in this Standard cover light-emitting diode (LED) equipment that is an
integral part of a luminaire or other lighting equipment and that operates in the visible light spectrum
between 400 and 700 nm. These requirements also cover the component parts of LED equipment,
including LED controlgear, controllers, arrays, modules, and packages, as…
Household and similar electrical appliances — Safety — Part 2-113: Particular requirements for cosme...
1 Scope
This clause of Part 1 is replaced by the following.
This International Standard deals with the safety of cosmetic and beauty care appliances
incorporating lasers or intense light sources for household and similar purposes, where their
operation relies on contact with the skin, their rated voltage being not more than 250 V.
NOTE 101 Battery-operated appliances and other d.c. supplied…
Testing of three-phase squirrel cage induction motors during refurbishment
1 Scope
1.1
This Standard covers integral horsepower, three-phase, alternating current, squirrel cage induction motors rated up to 15 kV at 50/60 Hz. This Standard also covers inverter duty motors.
1.2
The values given in SI units are the units of record for the purposes of this Standard. The values given in parentheses are for information and comparison only.
1.3
In this Standard, “shall”…
Automatic electrical controls for household and similar use — Part 2-3: Particular requirements for ...
1 Scope
This clause of Part 1 is replaced as follows:
1.1 This standard applies to the evaluation of thermal protectors for ballasts for tubular fluorescent lamps.
Requirements concerning the testing of the combination of ballast and thermal protector are given in IEC 920.
Requirements concerning the testing of the combination of ballast and thermal protectors are given in
CAN/CSA-…
1 Scope
This International Standard provides guidance on the selection and application of techniques
for assessing risk in a wide range of situations. The techniques are used to assist in making
decisions where there is uncertainty, to provide information about particular risks and as part
of a process for managing risk. The document provides summaries of a range of techniques,
with…
Road vehicles — Liquefied natural gas (LNG) fuel system components — Part 20: Flexible fuel or vent ...
1 Scope
1.1
This Standard specifies tests and requirements for the flexible fuel line or vent line for service temperatures colder than –40 °C (–40 °F) and cryogenic conditions, a liquefied natural gas fuel system component intended for use on the types of motor vehicles defined in ISO 3833.
This Standard is not applicable to the following:
a)
fuel containers;
b)
stationary gas engines;
c…
Breakaway devices for liquefied natural gas (LNG) dispensing systems for natural gas vehicles (NGV)
1 Scope
1.1 General
1.1.1
This Standard applies to newly manufactured LNG dispenser fuelling and vent hose emergency breakaway shutoff devices, hereinafter referred to as devices.
Notes:
1)
Devices covered in this Standard are intended to be used on an LNG dispenser certified to CSA LNG 4.1 and with an LNG refuelling connector in accordance with ANSI/CAN/CSA-ISO 12617.
2)
Both “one-time…
Véhicules routiers — Connecteur de remplissage de gaz naturel liquéfié (GNL) — Connecteur à 3,1 MPa
1 Domaine d’application
La présente Norme internationale spécifie des pistolets et des unités de remplissage de gaz naturel liquéfié (GNL) entièrement constitués de pièces et matériaux neufs et non usagés pour les véhicules routiers fonctionnant au GNL. Un connecteur de remplissage de GNL comprend, le cas échéant, l’unité de remplissage et son bouchon de protection (fixés sur le véhicule) et le…
1 Scope
1.1
This Standard specifies general requirements, test methods, and markings for whirlpool and air-jetted bathtubs and suction fittings used in hydromassage bathtub systems that incorporate a bathtub and circulation pump. The circulation pump can be with or without
a)
a piping system; and
b)
induction of air (which can be achieved by integral suction or through an air pump).
1.2…