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IEC 60335-2-91:2008

Current
Current

The latest, up-to-date edition.

Household and similar electrical appliances - Safety - Part 2-91: Particular requirements for walk-behind and hand-held lawn trimmers and lawn edge trimmers
Available format(s)

Hardcopy , PDF , PDF 3 Users , PDF 5 Users , PDF 9 Users

Language(s)

English, English - French

Published date

12-02-2008

FOREWORD
INTRODUCTION
1 Scope
2 Normative references
3 Definitions
4 General requirement
5 General conditions for the tests
6 Classification
7 Marking and instructions
8 Protection against access to live parts
9 Starting of motor-operated appliances
10 Power input and current
11 Heating
12 Void
13 Leakage current and electric strength at operating
   temperature
14 Transient overvoltages
15 Moisture resistance
16 Leakage current and electric strength
17 Overload protection of transformers and associated
   circuits
18 Endurance
19 Abnormal operation
20 Stability and mechanical hazards
21 Mechanical strength
22 Construction
23 Internal wiring
24 Components
25 Supply connection and external flexible cords
26 Terminals for external conductors
27 Provision for earthing
28 Screws and connections
29 Clearances, creepage distances and solid insulation
30 Resistance to heat and fire
31 Resistance to rusting
32 Radiation, toxicity and similar hazards
Annexes
Annex B (normative) - Appliances powered by rechargeable
        batteries
Annex D (normative) - Thermal motor protectors
Annex I (normative) - Motors having basic insulation that is
        inadequate for the rated voltage of the appliance
Annex AA (informative) - Safety signs and symbols which may
         be used on lawn trimmers and lawn edge trimmers
Annex BB (informative) - Vibration
Annex CC (informative) - Noise test code - Engineering
         method (grade 2)
Annex DD (informative) - Example of a material and
         construction fulfilling the requirements for
         an artificial surface
Annex EE (informative) - Safety instructions
Bibliography

IEC 60335-2-91:2008 deals with the safety of electric powered walk-behind and hand-held lawn trimmers and lawn edge trimmers, with cutting element(s) of non metallic filament line or freely pivoting non metallic cutter(s), with a kinetic energy of not more than 10 J each, used by a standing operator for cutting grass, their rated voltage being not more than 250 V for a.c. or 50 V d.c.. Main changes in this edition include the revised endurance test in Clause 18; Annex B, which allows for battery-powered trimmers; and addition of informative Annexes BB, CC and EE on vibration, noise and safety instructions.

Committee
TC 116
DevelopmentNote
To be used in conjunction with IEC 60335-1. (08/2002) Stability Date: 2018. (09/2017)
DocumentType
Standard
Pages
44
PublisherName
International Electrotechnical Committee
Status
Current
Supersedes

I.S. EN 50636-2-92:2014 HOUSEHOLD AND SIMILAR ELECTRICAL APPLIANCES - SAFETY - PART 2-92: PARTICULAR REQUIREMENTS FOR PEDESTRIAN-CONTROLLED MAINS-OPERATED LAWN SCARIFIERS AND AERATORS
BS EN 50636-2-92:2014 Household and similar electrical appliances. Safety Particular requirements for pedestrian-controlled mains-operated lawn scarifiers and aerators
CEI EN 50636-2-92 : 2015 HOUSEHOLD AND SIMILAR ELECTRICAL APPLIANCES - SAFETY - PART 2-92: PARTICULAR REQUIREMENTS FOR PEDESTRIAN-CONTROLLED MAINS-OPERATED LAWN SCARIFIERS AND AERATORS
I.S. EN 60335-2-92:2005 HOUSEHOLD AND SIMILAR ELECTRICAL APPLIANCES - SAFETY - PART 2-92: PARTICULAR REQUIREMENTS FOR PEDESTRIAN-CONTROLLED MAINS-OPERATED LAWN SCARIFIERS AND AERATORS
IEC 60335-2-92:2002 Household and similar electrical appliances - Safety - Part 2-92: Particular requirements for pedestrian-controlled mains-operated lawn scarifiers and aerators
EN 50636-2-92:2014 Household and similar electrical appliances - Safety - Part 2-92: Particular requirements for pedestrian-controlled mains-operated lawn scarifiers and aerators

ISO 3744:2010 Acoustics Determination of sound power levels and sound energy levels of noise sources using sound pressure Engineering methods for an essentially free field over a reflecting plane
ISO 354:2003 Acoustics — Measurement of sound absorption in a reverberation room
ISO/TR 11688-1:1995 Acoustics Recommended practice for the design of low-noise machinery and equipment Part 1: Planning
ISO 3767-3:2016 Tractors, machinery for agriculture and forestry, powered lawn and garden equipment Symbols for operator controls and other displays Part 3: Symbols for powered lawn and garden equipment
IEC 60320-2-3:1998+AMD1:2004 CSV Appliance couplers for household and similar general purposes - Part 2-3: Appliance couplers with a degree of protection higher than IPX0
CR 1030-1 : 1995 HAND-ARM VIBRATION - GUIDELINES FOR VIBRATION HAZARDS REDUCTION - PART 1: ENGINEERING METHODS BY DESIGN OF MACHINERY
ISO 3767-1:2016 Tractors, machinery for agriculture and forestry, powered lawn and garden equipment Symbols for operator controls and other displays Part 1: Common symbols
IEC 60745-1:2006 Hand-held motor-operated electric tools - Safety - Part 1: General requirements
IEC 60068-2-75:2014 Environmental testing - Part 2-75: Tests - Test Eh: Hammer tests
ISO 12100-1:2003 Safety of machinery Basic concepts, general principles for design Part 1: Basic terminology, methodology
ISO 8662-1:1988 Hand-held portable power tools Measurement of vibrations at the handle Part 1: General
ISO 11201:2010 Acoustics Noise emitted by machinery and equipment Determination of emission sound pressure levels at a work station and at other specified positions in an essentially free field over a reflecting plane with negligible environmental corrections
ISO 11684:1995 Tractors, machinery for agriculture and forestry, powered lawn and garden equipment — Safety signs and hazard pictorials — General principles

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