A stated capacity established for specified equipment, direction, configuration and conditions; it is not a universal safe limit for every person or activity.
Sources and evidence type
Manual claim and limitation notes are shown where an individual source audit is complete. Other evidence-type labels are a publisher aid awaiting source-by-source confirmation.
HSE: safe use of lifting equipmentLaw or regulator
Source design
Primary legislation, prosecutorial or regulator guidance
What it can support
The legal provision or official regulatory position for the jurisdiction and date stated.
Important limitation
It is not fact-specific legal advice. Commencement, amendments, jurisdiction and case law may affect application.
Illustration created using generative AI; not documentary evidence.
In brief
The system is limited by its weakest component and by how forces are actually applied.
Working limits, minimum breaking strength and test loads describe different things. Dynamic movement, shock loading, angles, knots, connectors, anchors, wear and multi-point systems can multiply or redistribute forces. A rating on one component cannot certify the complete system or a building attachment.
Read the specification
Identify the manufacturer, model, rated direction, configuration, environmental limits and whether the figure is a working limit or destructive test result. Unlabelled hardware and marketplace claims are poor evidence.
Do not divide a breaking strength by an improvised safety factor and call the result safe. Product standards, competent design and the consequences of failure determine appropriate margins.
Status
Detailed editorial draft
Publisher
The UK Kink Guide
Reviewed
Structured draft present; individual review date not recorded
Evidence
3 cited sources · types labelled below
Jurisdiction
UK-focused general education
Read the rest: evidence, law, safety and sources
Working load limit
Maximum load specified for service under defined conditions and an appropriate design factor.
Breaking strength
Force at which a new specimen failed in a stated test; not a recommended working load.
Static load
Relatively steady force without substantial acceleration or impact.
Dynamic or shock load
Short, amplified force produced by movement, a fall, bounce or sudden stop.
Whole-system forces
Include anchors, beams, stands, straps, ropes, knots, stitching, carabiners and attachment geometry. Side-loading a connector or widening a two-leg angle may greatly alter force.
Human movement is not a predictable dead weight. Avoid suspension or fall potential without purpose-designed equipment, a competent assessment and an independently reliable rescue plan.
Inspection and retirement
Follow inspection intervals based on manufacturer guidance, use and risk. Look for corrosion, deformation, cuts, glazing, chemical damage, loose fixings and illegible identification.
Remove equipment from service after overload, significant fall, uncertain history or failed inspection. Cosmetic appearance alone cannot reveal internal or fatigue damage.
Scope and competence
Workplace lifting rules can provide useful principles about planning, examination and competence, but do not certify leisure or intimate equipment. Building anchors require appropriate structural expertise.
Keep loads close to the floor where practicable, prevent head-first or uncontrolled falls, maintain supervision and never rely on one unverified component for life safety.
Non-graphic examples
What the umbrella may include
Checking whether 500 kg means breaking strength or working limit.
Including the ceiling anchor in the assessment.
Avoiding side-loading a carabiner.
Retiring webbing after an overload.
Keeping a trial close to the floor.
Prepare for an appointment
Questions you could ask a professional
What information would help you understand my question?
What are the realistic options and uncertainties?
How can disability, communication or privacy needs be accommodated?
When should the situation be reviewed again?
These prompts do not replace assessment and do not imply that every reader needs professional care.
Continue learning
Take the next step from definition to context.
Continue with independent guidance connecting load rating to evidence, consent, safety, uncertainty and practical decisions.
The UK Kink GuideEvidence-led glossary