C. Electrical Energy
The isolation of electrical energy should be accomplished by placing manually operated electrical
circuit breakers, disconnect switches and manually operated switches in the “OFF" position.
(Refer to Electrical Isolation Procedure, for more details)
D. Thermal Energy and Pressure
The isolation of thermal (steam) energy and the potential energy involving pressure shall be
accomplished by closing valves and maintaining an open bleed condition in the system to prevent
energy build Up.
5.7 Application of Lockout /Tagout Devices