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This rule led to solutions such as ribbon cables covered by a copper-braid shield, which made it impossible to see or separate the individual connectors. On the Apple II, these cables passed through the holes on the back of the computer that were grounded to the power supply. Eventually, ribbon connectors were replaced, for interconnect ...
This does not include the uninsulated ground wire. For instance, if the cable lists "12-2 AWG", it means there are two insulated 12-gauge wires (a black and a white wire), plus a ground wire. If the label says "12-3", this cable has four conductors—three 12-gauge insulated wires and a bare copper ground wire. [5]
S for braided shielding (in outer layer only), and/or; F for foil shielding. U/FTP, F/UTP and F/FTP are used in Cat 6A cables. Shielded Cat 5e, Cat 6/6A, and Cat 8/8.1 cables typically have F/UTP construction, while shielded Cat 7/7 A and Cat 8.2 cables use S/FTP construction. [9] Because the shielding is conductive, it may also serve as a path ...
The shield should be electrically continuous to maximize effectiveness, including any cable splices. For high frequency signals (above a few megahertz), this extends to connectors and enclosures, also circumferentially: The cable shielding needs to be circumferentially connected to the enclosure, if any, through the connector or cable gland. [1 ...
Grounding connectors. Connectors for earthing installation are a means of communication between the various components of the earthing and lightning protection installations (earthing rods, earthing conductors, current leads, busbars, etc.). For high voltage installations, exothermic welding is used for underground connections.
At 60,000 Hz (60 kHz) the skin depth of copper wire is about 0.25 millimetres (0.0098 in). At 6,000,000 Hz (6 MHz) [ 5 ] the skin depth of copper wire is about 25 micrometres (0.00098 in). Round conductors such as wire larger than a few skin depths do not conduct much current near their axis, so the metal located at the central part of the wire ...
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