There are two main types of heat pumps: geothermal heat pumps and air-source heat pumps. A geothermal heat pump draws the heat from the ground, while the air-source type pulls the heat from the air outside.
RF cables are a type of coaxial cable that is used to send radio frequency signals. RF cables are often used to send video information to a TV set. Identification. RF cables can be identified by the connectors at the end of the cables. RF cable connectors have a single pin that plugs into the RF input on a TV or other device and a threaded piece of metal around the connector that can be used to secure the cable to the RF input port. RF cables are commonly used in cable TV and Internet connections.
How to hook up your television. 1  Connect the coax cables. 2  Digital-ready television: Simply connect the coax cable from your TV to the cable outlet. 3  Make sure both ends are tight. 4  You must use coax cords with screw on connectors as to not cause RF leakage. Non-digital television with a converter box-see detailed instructions (PDF) : 2  Connect the coax cable to the converter box. 3  Connect the other end to the cable outlet. 4  Make sure both ends are tight. 5  You must use coax cords with screw-on connectors as to not cause RF leakage.