PREN 50528 : DRAFT 2008
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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INSULATING LADDERS FOR USE ON OR NEAR LOW VOLTAGE ELECTRICAL INSTALLATIONS
01-05-2010
12-01-2013
1 Scope
2 Normative references
3 Definitions
4 Requirements
4.1 Safety requirements
4.2 Functional requirements
4.2.1 General
4.2.2 Ropes (if any)
4.2.3 Stile closures
4.2.4 Pulleys (if any)
4.2.5 Rung wear devices
4.2.6 Cradle
4.2.7 Foot leveller device (if any)
4.2.8 Adjustable ladder stabilizer (if any)
4.2.9 Individual standing platform (if any)
4.3 Electrical requirements
4.3.1 Electrically non conductive parts
4.4 Mechanical requirements
4.4.1 Design
4.4.2 Dimensions, construction
4.5 Markings
4.6 Instruction for use
5 Verification and testing
5.1 General
5.2 Design, dimensions, construction
5.3 Mechanical tests
5.3.1 Type test
5.3.2 Alternative means for ladders having completed the
production phase
5.4 Marking
5.4.1 Presence of marking
5.4.2 Durability of marking
5.5 Instruction for use
5.6 Electrical tests
5.6.1 Type test
5.6.2 Alternative means for ladders having completed the
the production phase
6 Conformity evaluation
7 Modifications
Annexe A (informative) - Acceptance test
Annexe B (normative) - Classification of defects and associated
requirements and tests
Annexe C (informative) - In-service recommendations
C.1 General
C.2 Use and storage
C.3 Inspection before use
C.4 Maintenance
C.4.1 Regular maintenance
C.4.2 Periodic maintenance
Annexe D (normative) - General test procedure
Bibliography
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