// CODE SNIPPET

(3) Mechanical Protection

National Electrical Code 2020 of Illinois > 8 Communications Systems > 840 Premises-Powered Broadband Communications Systems > 840.47 Underground Wires and Cables Entering Buildings > (A) Optical Fiber Cables > (3) Mechanical Protection

Go To Full Code Chapter

Direct-buried cable, conduit, or other raceway shall be installed to have a minimum cover of 150 mm (6 in.).

Upcodes Diagrams

Related Code Sections

10.6.5.3 Fundamentals, Mechanical Protection

The branch circuit(s) and connections shall be protected against physical damage ...

National Fire Alarm and Signaling Code 2019 of Illinois > 10 Fundamentals > 10.6 Power Supplies > 10.6.5 Primary Power Supply > 10.6.5.3 Mechanical Protection

17.4.2 Initiating Devices, Mechanical Protection

Initiating devices subject to mechanical damage shall be protected ...

National Fire Alarm and Signaling Code 2019 of Illinois > 17 Initiating Devices > 17.4 General Requirements > 17.4.2 Mechanical Protection

18.3.4* Notification Appliances, Mechanical Protection

Appliances subject to mechanical damage shall be suitably protected ...

National Fire Alarm and Signaling Code 2019 of Illinois > 18 Notification Appliances > 18.3 General > 18.3.4* Mechanical Protection

(A) Equipment for General Use, Mechanical Protection

Appropriate provisions shall be made to minimize the possibility of damage to transformers from external causes where the transformers are exposed ...

National Electrical Code 2017 of Illinois > 4 Equipment for General Use > 450 Transformers and Transformer Vaults (Including Secondary Ties) > 450.8 Guarding > (A) Mechanical Protection

(A) Equipment for General Use, Mechanical Protection

Appropriate provisions shall be made to minimize the possibility of damage to transformers from external causes where the transformers are exposed ...

National Electrical Code 2020 of Illinois > 4 Equipment for General Use > 450 Transformers and Transformer Vaults (Including Secondary Ties) > 450.8 Guarding > (A) Mechanical Protection