![]() In industrial processes it can be difficult to establish where the appropriate danger sources might be. These safety disconnects usually have multiple places for locks so more than one person can work on equipment safely. The safety disconnect ensures the equipment can be isolated and there is less chance of someone turning the power back on if they can see the work going on. In the USA, the National Electric Code states that a safety/service disconnect must be installed within sight of serviceable equipment. ![]() To emphasize the last step above in addition to the others, the entire process can be referred to as lock, tag, and try (that is, trying to turn on the isolated equipment to confirm it has been de-energized and cannot operate). The locking and tagging of the isolation point lets others know not to de-isolate the device. Prove that the equipment isolation is effective.The isolation procedure generally includes the following tasks: The steps necessary to isolate equipment are often documented in an isolation procedure or a lockout tagout procedure. ( December 2022) ( Learn how and when to remove this template message)Äisconnecting or making safe the equipment involves the removal of all energy sources and is known as isolation. Unsourced material may be challenged and removed. Please help improve this article by adding citations to reliable sources in this section. This section needs additional citations for verification. Procedure Tags left in place in a powerplant after it was shut down, decommissioned, and abandoned Lockout–tagout is used across industries as a safe method of working on hazardous equipment and is mandated by law in some countries. This prevents accidental startup of equipment while it is in a hazardous state or while a worker is in direct contact with it. The worker then holds the key for the lock, ensuring that only they can remove the lock and start the equipment. The isolated power sources are then locked and a tag is placed on the lock identifying the worker and reason the LOTO is placed on it. It requires that hazardous energy sources be "isolated and rendered inoperative" before work is started on the equipment in question. Lock out, tag out ( LOTO) is a safety procedure used to ensure that dangerous equipment is properly shut off and not able to be started up again prior to the completion of maintenance or repair work. Folding lockout hasp, allowing the use of up to six padlocks to secure a device. ![]() This article is about the safety procedure.
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