LANYARD GUIDE · CSA Z259.11 · CLEARANCE

Lanyard Types: Choosing a Fall Protection Lanyard in Canada

What each type of lanyard is for, how CSA energy absorber classes work, why clearance decides between a lanyard and an SRL, and the mistakes that make a lanyard useless.

Quick answerFor fall arrest, use an energy-absorbing lanyard (CSA Z259.11) sized to the worker: E4 for lighter users, E6 for heavier users. Use a twin-leg lanyard to stay tied off while moving. If there isn't enough clearance below for the lanyard to deploy, use a self-retracting lifeline instead.
  • CSA Z259.11
  • E4 / E6 absorbers
  • Twin-leg
  • Clearance
LANYARD GUIDE ◆ CSA Z259.11 ENERGY ABSORBERS ◆ E4 AND E6 CLASSES ◆ TWIN-LEG 100% TIE-OFF ◆ CHECK YOUR CLEARANCE

Lanyard types at a glance

AT A GLANCE

Energy-absorbingFall arrestWebbing or rope with a tear-out absorber that limits the force on the body.
Twin-leg100% tie-offTwo legs: clip the next anchor before unclipping the last.
RestraintNo fallShort, fixed length that stops the worker reaching the edge.
PositioningHands-freeClips to hip D-rings so the worker can lean back; not fall arrest.
Leading edgeSharp edgesRated for anchors at foot level and lines over an edge.
SRL insteadLow clearanceArrests in a much shorter distance than a lanyard.

Energy-absorbing lanyards and CSA classes

CSA Z259.11

An energy absorber tears open in a fall to slow the worker down and limit the force on the body. CSA Z259.11 sets two classes:

  • E4: for lighter users (the label gives the weight range, roughly 45–115 kg / 100–254 lb).
  • E6: for heavier users (roughly 90–175 kg / 200–386 lb).

Weight includes clothing and tools. Pick the class whose range covers the worker, and check the deployment length on the label: you need it for clearance.

Twin-leg, restraint and positioning lanyards

PICK BY THE JOB

  • Twin-leg: for moving between anchor points, such as steel erection or scaffolds. Never clip the unused leg back to the harness unless the maker allows it.
  • Restraint: set the length so the worker cannot reach the edge. No free fall means no arrest forces.
  • Positioning: connects to the hip D-rings for hands-free work. It holds you in place but does not arrest a fall, so use fall arrest as well where required.

Clearance: lanyard or SRL?

DO THE MATH BEFORE YOU CLIP IN

A lanyard only works if the worker stops before hitting anything. Required clearance below the anchor adds up:

  1. the free fall (set by lanyard length and anchor height);
  2. the absorber's deployment (on the label);
  3. harness stretch and D-ring shift;
  4. the worker's height below the D-ring;
  5. a safety margin.

On many low-clearance jobs a lanyard needs more room than there is. A self-retracting lifeline locks almost immediately and needs far less. Keep the anchor at or above the D-ring wherever you can.

This guide is general information to help you choose and care for equipment, not legal advice. Always follow the manufacturer's instructions for your exact product and your province's regulation. Guide checked October 2026.

Lanyard questions

ANSWERS YOU CAN CITE

01

What is the difference between E4 and E6 energy absorbers?

They cover different user weight ranges under CSA Z259.11: E4 for lighter users, E6 for heavier users. The range is printed on the label.
02

When should I use an SRL instead of a lanyard?

When there isn't enough clearance below for the lanyard and absorber to deploy, or when the worker moves around a lot. SRLs arrest a fall in a much shorter distance.
03

Can I tie two lanyards together for more reach?

No. Never connect lanyards end to end unless the manufacturer specifically allows it.
04

Is a positioning lanyard fall protection?

No. It holds the worker in place. Use fall arrest as well where your regulation requires it.