BS EN 50194-2:2019 Electrical apparatus for the detection of combustible gases in domestic premises Electrical apparatus for continuous operation in a fixed installation in recreational vehicles and similar premises. Additional test methods and performance requirements

Electronic equipment and components
Caravans
Vapours
Performance testing
Detectors
Boats
Gasoline
Safety measures
Continuous operation
Visual signals
Performance
Electrical equipment
Household equipment
Liquefied petroleum gas
Domestic
Electromagnetic compatibility
Audible warning devices
Cut-out devices
Instructions for use
Alarm systems
Caravanettes
Gas detectors

Link: BS EN 50194-2:2019 Electrical apparatus for the detection of combustible gases in domestic premises Electrical apparatus for continuous operation in a fixed installation in recreational vehicles and similar premises. Additional test methods and performance requirements
Source: BSI Standards

BS EN ISO 6721-2:2019 Plastics. Determination of dynamic mechanical properties Torsion-pendulum method

Torsion testing
Plastics and rubber technology
Test equipment
Testing conditions
Torsion pendulums
Specimen preparation
Mechanical testing
Polymers
Error correction
Precision
Mechanical properties of materials
Modulus of elasticity
Plastics
Mathematical calculations
Test specimens
Dynamic testing

Link: BS EN ISO 6721-2:2019 Plastics. Determination of dynamic mechanical properties Torsion-pendulum method
Source: BSI Standards

BS EN IEC 62271-109:2019 High-voltage switchgear and controlgear Alternating-current series capacitor by-pass switches

Type testing
Alternating current
Electrical testing
Electric current control
Rated current
Outdoor electric equipment
Electric power distribution
Capacitors
Circuit-breakers
Short-circuit currents
Switchgear
Electric control equipment
Switches
Electrical equipment
Ratings
Electrical protection equipment
Switch-fuses
High-voltage equipment

Link: BS EN IEC 62271-109:2019 High-voltage switchgear and controlgear Alternating-current series capacitor by-pass switches
Source: BSI Standards

PD IEC TS 62271-304:2019 High-voltage switchgear and controlgear Classification of indoor enclosed switchgear and controlgear for rated voltages above 1 kV up to and including 52 kV related to the use in special service conditions with respect to condensation and pollution

Pollution
Indoor electric equipment
Switchgear
Rated voltage
Electrical equipment
Electric control equipment
Protected electrical equipment
Classification systems
Condensation
Testing conditions
Environment (working)
Insulating enclosures
High-voltage equipment

Link: PD IEC TS 62271-304:2019 High-voltage switchgear and controlgear Classification of indoor enclosed switchgear and controlgear for rated voltages above 1 kV up to and including 52 kV related to the use in special service conditions with respect to condensation and pollution
Source: BSI Standards

BS EN IEC 61952-1:2019 Insulators for overhead lines. Composite line post insulators for AC systems with a nominal voltage greater than 1 000 V Definitions, end fittings and designations

High voltage
Electric insulators
Performance
Overhead power-line fittings
Electrical insulating materials
Electrical testing
Electric power transmission lines
Design
Alternating current
Composite materials
Mechanical testing
Post insulators
Overhead power lines

Link: BS EN IEC 61952-1:2019 Insulators for overhead lines. Composite line post insulators for AC systems with a nominal voltage greater than 1 000 V Definitions, end fittings and designations
Source: BSI Standards