CK-12 Foundation
Ck 12: Safety
[Free Registration/Login may be required to access all resource tools.] In the following online tutorial students will explore safety practices and rules and symbols associated with them. They will define components of the NFPA Label and...
CK-12 Foundation
Ck 12: Controlling Current Overload in Electric Circuits
[Free Registration/Login may be required to access all resource tools.] Electrical circuits have safety features like fuses and circuit breakers to prevent an overload, which could cause a fire. This lesson explains how these work....