Chapter 2 Safety 29 Copyright Goodheart-Willcox Co., Inc. Circuit Breaker Lockout Wall Switch Lockout Ideal Industries, Inc. Figure 2-13. Lockout devices prevent other workers from energizing a circuit that is being worked on. Ideal Industries, Inc. Figure 2-14. Lockout/tagout kits contain various types of lockout devices and tagout devices. Some lockout devices can accommodate multiple locks. This type of device is used when more than one electrician is working on a circuit. electrician fl ips a breaker to open a circuit and starts to work on that circuit, what prevents another worker from resetting the breaker? Plac- ing a strip of tape across the breaker or attach- ing a tag to it does not prevent the closing of the circuit. Tape falls off, tags are ignored, and as a result workers get hurt or killed. Always follow proper lockout/tagout/blockout procedures whether working on residential, commercial, or industrial projects. A lockout device prevents the release of energy by attaching one or more locks to switches, breakers, valves (gas and liquid), and enclosures. See Figure 2-13. The person work- ing on the circuit is the only one with a key for that lock. If more than one person is working on the circuit, each is able to attach a lock to the device. Tagout is the identifi cation procedure that lets other workers know who applied the lockout. A lockout/tagout kit is shown in Figure 2-14. Your name should be on the tag