Most alarm systems are connected to a homeowner's telephone line for emergency communication with security monitoring stations. Burglars cut home telephone connections during break-ins to disconnect the telephone link between your home and your home's monitoring centres or security authorities. You can protect yourself and your property from burglar attack by fortifying your home's underground telephone wires and the telephone line network interface even if you do not have a home monitoring plan.
- Skill level:
Things you need
- Metal strongbox
- Pencil or chalk
- Masonry drill bit
- Conduit (2 sizes)
- Tape measure
Identify your home's telephone network interface box and the exposed telephone lines that enter your home from the telephone network interface. The telephone network interface box, usually located on the outside walls of homes near electrical meter boxes, connects your home's telephone lines to your telephone company's network.
Center a metal strongbox, such as a steel box, over your network interface box to protect your network interface connections. Mark the metal strongbox screw holes using a pencil or chalk.
Drill pilot holes for installing the metal strongbox mounting screws using a masonry drill bit.
Install screws in the pilot holes and loosely fit the screws with a screwdriver. Allow movement of the metal strongbox for easy installing of burglarproof conduit.
Dig around the telephone lines from the exit in the ground with a shovel. Common depths for installing underground conduits are between 6 and 18 inches.
Measure the distance from the base of the metal strongbox to your preferred underground depth with a tape measure.
Cut burglarproof plastic or metal conduit to size with a hacksaw. Measure the conduit from the top and add 1 inch recess for inserting the conduit in the steel strongbox.
Remove any clips used to fasten the telephone lines to the wall with pliers.
Enclose the telephone lines in two sizes of conduit. Slip the telephone lines into a smaller inner conduit and insert the small conduit in a larger outer conduit. Rotate the inner conduit 180 degrees to encase the wires. Refer to your conduit manufacturer's instructions for a detailed guide on how to enclose telephone lines with your conduit model.
Fit the top of the conduit into the metal strongbox.
Secure the conduit and metal strongbox to the wall. Drill pilot holes in the conduit mounting straps and install screws.
Screw in both the conduit mount screws and metal strongbox mount screws tightly to fortify your telephone wire connections.
Tips and warnings
- Contact local alarm companies and invest in a high-technology back up wireless home monitoring system to monitor exposed wires coming from the telegraph pole or central telephone utility box. A wireless home monitoring system automatically alerts authorities when your home telephone wires are tampered with or cut. Enclose the wires coming from the telegraph pole with split metal conduit for added protection.
- Telephone wires carry small amounts of electric current. Use tools with insulated handles when working on telephone connections.
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