Are Class B SLCs permitted to be T-tapped?

Class B Signaling Line Circuits (SLCs) are indeed permitted to be T-tapped. This allowance is important for the installation of fire alarm systems, where the design may require connecting multiple devices to the same circuit. The T-tap method enables the connection of devices without significantly affecting the overall performance and communication of the SLC.

It is essential to be aware of the specific stipulations surrounding T-tapping, such as maintaining proper wire gauge, ensuring that the total current draw does not exceed the limits, and adhering to installation codes to avoid disruptions. Understanding the principles of how T-tapping works within Class B SLCs helps ensure reliable communication and functionality of alarm systems, which is critical in emergency situations.

Thus, the option indicating that Class B SLCs are permitted to be T-tapped aligns with the standard practices in the industry, reflecting the flexibility afforded to installers when designing effective fire alarm systems.