Canadian Agricultural Products. To check for restrictions on fruits and vegetables from Canada, you can search the FAVIR database at www.aphis.usda.gov/favir/. Click the âFresh Fruit and Vegetablesâ link to the right to learn how to use the database.
The standard voltage for the telephone system is 48 volts DC. Ringing voltage is much higher, around 90 volts AC at a low frequency. When you place a load of about 600 ohms on the line, you are off hook or connected. Telephone ringer voltage is 50.5 volts at standing and -50.5 volts at ringing.
1 A cord/cable/piece of wire that connects a phone to a jack is normally called a line cord or sometimes a base cord or a mounting cord. 2  A standard line cord is 7' long. 3  Other common lengths are 12' and 25'. 4  You may also find 50', particularly in dollar stores.