14.a. If a fixed appliance has an automatically started motor and is supplied by an individual branch circuit, the protection recommended is equal to or less than A. twice the appliance rated current. B. 125 percent of the appliance rated current. C. the appliance rated current. D. the full service current. 14.b. Which of the following is a true statement about the planning stages of adding a receptacle to an existing electrical system? A. You must ensure that the existing circuit breaker will have enough capacity to handle the expected load to be applied at the new receptacle. B. It's not acceptable to bring power from an existing box containing a light switch. C. Only nongrounding-type receptacles can be added to an existing system. D. It isn't necessary to identify joist or stud locations prior to adding a new receptacle.
Protection System
A system that protects electrical systems from faults by isolating the problematic part from the remainder of the system, preventing power from being cut from healthy elements, improving system dependability and efficiency is the protection system. Protection devices are the equipment that are utilized to implement the protection system.
Predictive Maintenance System
Predictive maintenance technologies are designed to assist in determining the state of in-service equipment so that maintenance can be scheduled. Predictive maintenance is the application of information; proactive maintenance approaches examine the condition of equipment and anticipate when it should maintain. The purpose of predictive maintenance is to forecast when equipment will fail (depending on a variety of parameters), then prevent the failure through routine and corrective maintenance.Condition monitoring is the continual monitoring of machines during process conditions to maintain optimal machine use, which is necessary for predictive maintenance. There are three types of condition monitoring: online, periodic, and remote. Finally, remote condition monitoring allows the equipment observed from a small place and data supplied for analysis.
Preventive Maintenance System
To maintain the equipment and materials on a regular basis in order to maintain those running conditions and reduce unnecessary shutdowns due to unexpected equipment failure is called Preventive Maintenance (PM).
14.a. If a fixed appliance has an automatically started motor and is supplied by an individual branch circuit, the protection recommended is equal to or less than
A. twice the appliance rated current.
B. 125 percent of the appliance rated current.
C. the appliance rated current.
D. the full service current.
14.b. Which of the following is a true statement about the planning stages of adding a receptacle to an existing electrical system?
A. You must ensure that the existing circuit breaker will have enough capacity to handle the expected load to be applied at the new receptacle. B. It's not acceptable to bring power from an existing box containing a light switch.
C. Only nongrounding-type receptacles can be added to an existing system.
D. It isn't necessary to identify joist or stud locations prior to adding a new receptacle.
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