High voltage cables are typically insulated with special water-resistant polymers that have high-dielectric strength.
Another way to dig up fewer streets is to avoid unearthing cables for small repairs.
In the cellars of this fortress are racks upon racks of cables, letters and documents, stored in plain cardboard boxes.
The dark pulses also transmit through certain fiber optic cables faster and with less noise than light pulses.
The argument then boasted by leaked U. S. diplomatic cables was that these were secret weapon shipments from Iran destine for Hamas in the Gaza strip.
It's usually insulated by a thick layer of rubber, But if the wire is frayed, damaged, or loosened, it can expose electrically "hot" metal to the tangle of cables and dust behind your equipment.
Mr. Berlusconi on Friday dismissed those claims, while Mr. Medvedev said the classified cables published on the WikiLeaks site just served to show the cynicism of U.S. foreign policy.
One of the most important features of the steel cables is their structural integrity.
In that chilled superconducting state, the lines lose no energy to resistance (today's copper cables lose 5 to 7 percent).
The CONTRACTOR shall also to supply and to mount all the systems of trays, cable suspenders, stairs and other elements for the installation of cables.
Traditionally, most diplomatic cables remain secret for decades, providing fodder for historians only when the participants are long retired or dead.
Heave ho!(sailor's cries when pulling at ropes or cables)
But even shooting data with lasers over fiber-optic cables has its limits.
Late last month and early this month, oil officials noticed that some exposed electrical cables, running near farmland and powering their operation, had been severed.
Meanwhile, plans to use regular power to restart the cooling system hit a roadblock when it turned out that cables had to be laid through turbine buildings flooded with the contaminated water.
A string of small firms are offering fast broadband to offline areas, via cables, satellites or the airwaves.
The pipes are vulnerable: in 2008 Egypt temporarily lost more than two-thirds of its bandwidth when two submarine cables in the Mediterranean were severed, possibly by ships’ anchors.
Diplomats may now be cagier about what they put in cables, but their work hasnot ground to a halt.
Payload size is theoretically limitless because the elevators and cables could be built to any scale.
Mr Hunt may be right. A string of small firms are offering fast broadband to offline areas, via cables, satellites or the airwaves.
Rats still manage to gnaw through the cables.
