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2. Network protector - Wikipedia

   en.wikipedia.org/wiki/Network_protector

   A network protector is a type of electric protective device used in electricity distribution systems. The network protector automatically disconnect its associated distribution transformer from the secondary network when the power starts flowing in reverse direction. Network protectors are used on both spot networks and grid networks. The ...

3. Cable tray - Wikipedia

   en.wikipedia.org/wiki/Cable_tray

   These trays may be made of wire mesh, called "cable basket", [2] or be designed in the form of a single central spine (rail) with ribs to support the cable on either side. Channel Tray provides an economical support for cable drops and branch cable runs from the backbone cable tray system.

4. Link protection - Wikipedia

   en.wikipedia.org/wiki/Link_protection

   Link protection is designed to safeguard networks from failure. Failures in high-speed networks have always been a concern of utmost importance. A single fiber cut can lead to heavy losses of traffic and protection-switching techniques have been used as the key source to ensure survivability in networks.

5. Electrical conduit - Wikipedia

   en.wikipedia.org/wiki/Electrical_conduit

   Electrical conduit provides very good protection to enclosed conductors from impact, moisture, and chemical vapors. Varying numbers, sizes, and types of conductors can be pulled into a conduit, which simplifies design and construction compared to multiple runs of cables or the expense of customized composite cable.

6. Path protection - Wikipedia

   en.wikipedia.org/wiki/Path_protection

   Path protection in telecommunications is an end-to-end protection scheme used in connection oriented circuits in different network architectures to protect against inevitable failures on service providers’ network that might affect the services offered to end customers.

7. Demarcation point - Wikipedia

   en.wikipedia.org/wiki/Demarcation_point

   20th century Bell Canada demarcation point for a single phone line. The spark-gap surge protectors on the left have hex heads for easy removal. Near center, a post is connected to the house's ground. The other two connection points are for tip and ring. A test jack can be attached nearby so the home-owner or tenant can verify whether the inside ...