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To test an a.c. underground cable's insulation, that insulation needs to be tested at a voltage higher than its rated voltage, continuously (a.c. varies, so is unsuitable), for a specified period of time, and with the resulting current being monitored throughout the test.
The test voltage/duration applied will be laid down according to the standards of the authority responsible for the electricity distribution system (derived from the cable manufacturers). Typically, an 11-kV underground cable is tested a 17 kV (d.c.) between lines, and at 10 kV (d.c.) line to earth. The duration of the test is typically 5 min.
Initially, the current will include the cable's charging current (the cable behaves as a capacitor), but then settles down to the leakage current -typically about 0.2 mA (if attached equipment is not taken into account).
What else can I help you with?
What is rg-11 cable?
It's the coax cable used for Thick Ethernet.
When testing for current in a cable with 11 color-coded wires the author used a meter to test twotwo wires at a time. How many different tests are required for every possible pairing of twot?
when testing for current in a cable with eleven colored-coded wires, the author used a meter to test five wires at a time. how many different tests are required for every possible pairing of five wires?
What is the name of the port used by an Ethernet cable what is the name of the port used by dial up modem?
Ethernet cable is RJ 45. Dial-up modem is RJ 11
What type of cable and connectors are used to connect a modem to a phone port?
To connect a modem to a phone port, a standard telephone cable, often referred to as an RJ-11 cable, is used. The connectors on each end of the cable are RJ-11 connectors, which fit into the phone port on the wall and the modem. This type of connection is typically used for DSL modems that utilize existing telephone lines for internet service.
When was Tommy Cable born?
Tommy Cable was born on 1900-11-27.
Can you use RG 11 cable in your house?
Yes. RG-11 is 75 ohm cable much the same as any other cable like RG-59, RG-6 or RG-56.
What type of category cable is most commonly used with a RJ 11 jack?
Cat-3 is the most common and least expensive.
How do you design an 11kv underground cable?
It is not necessary to design an 11 kv underground cable. There are several 11 kv underground cables already on the market. You can choose exactly which cable will fit best for your project and purchase it.
How many cable technicians are there in the world?
Over 11.
When was atomic bomb testing in Pokran?
May 11, 1998
How many animals are used in testing each year in America including those that die and those that do not die during testing?
In the United States, an estimated 11 million animals are used in research and testing each year. This figure includes a range of species, such as mice, rats, rabbits, and primates. While the majority of these animals are not typically killed during testing, a significant number do die as a result of experiments. The exact number of deaths varies depending on the type of research and testing being conducted.
What is the difference between rj15 and rj45?
Cat5 cable is the standard cable for computer networking. The "RJ" in RJ15 stands for registered jack. This is the part at the end of a cable that can be used to connect them to computers, phones, etc.
