10 Questions
What is lockout-tagout (LOTO)?
A procedure to isolate equipment from energy sources during maintenance
Which of the following is NOT a step in the lockout-tagout procedure?
Removing lockout devices
What color are lockout devices?
Red
What is required by OSHA in the US regarding lockout procedures?
Documentation, training, policies, devices and locks, and auditing
Which standard outlines the specific activities of a lockout program in Canada?
CSA Z460
What does the European standard EN 50110-1 outline?
A safety procedure for working on electric equipment
What is the purpose of the lockout procedure?
To prevent accidents associated with hazardous energy
What is not covered by the lockout standard?
Agriculture industry
How are lockout devices secured?
With padlocks
Is the use of LOTO currently enforced in the UK?
No
Study Notes
- Lockout-tagout is a safety procedure used to isolate equipment from energy sources during maintenance or servicing.
- The procedure involves announcing shut off, identifying energy sources, isolating energy sources, locking and tagging energy sources, and proving the isolation is effective.
- Lockout devices are designed to fit various switches, valves, and effectors and are usually bright red to increase visibility.
- Lockout procedures are required by OSHA in the US and must include documentation, training, policies, devices and locks, and auditing.
- The Canadian Standards Association's standard CSA Z460 outlines the specific activities of a lockout program in Canada.
- The European standard EN 50110-1 outlines a safety procedure for working on electric equipment that includes disconnecting, securing against re-connection, verifying the installation is dead, earthing and short-circuiting, and providing protection against adjacent live parts.
- The lockout procedure is used to prevent accidents associated with hazardous energy and applies to all sources of energy.
- The standard does not cover electrical hazards from work on, near, or with conductors or equipment in electric utilization installations.
- The standard also does not cover the agriculture, construction, and maritime industries or oil and gas well drilling and servicing.
- Lockout devices are secured with padlocks, and each worker applies their own padlock to the clamp to ensure the machinery cannot be activated until all workers have removed their padlocks. Lockout-tagout (LOTO) is a safety procedure used to ensure that dangerous machines are properly shut off and not started up again before maintenance is completed. The LOTO standard applies to general industry service and maintenance activities, except for certain situations. The use of LOTO is not currently enforced in the UK, but is considered best practice for multiple UK industries. UK regulations such as BS7671:2008 and the Provision and Use of Work Equipment Regulations 1998 (PUWER) reinforce the need for employers to make all machinery safe for use and to provide suitable means to isolate equipment from all sources of energy. PUWER regulations mention a 'Hierarchy of measures' for standardizing safety procedures that are LOTO related, but they are explained as a permanent fixture to any machine or tool. EU guidelines are OSHA-based and state that every piece of equipment must be fitted with clearly visible devices with which it can be separated from every energy source.
Think you know everything about lockout-tagout procedures? Test your knowledge with our quiz! From identifying energy sources to securing lockout devices with padlocks, this quiz will challenge your understanding of LOTO standards and regulations. Keywords: lockout-tagout, safety, energy sources, OSHA, CSA, EN 50110-1, padlocks.
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