psi - Abbreviation for pounds per square inch.
PTFE - Abbreviation for polytetrafluoroethylene. See polytetrafluoroethylene. Most common trade name is Teflon®. Teflon® is a trademark of the DuPont de Nemours Co.
PU - Abbreviation for polyurethane. See polyurethane.
PUFF - Colloquial term for one picofarad. See picofarad.
PULLING EYE - A device on the end of a cable to which a pulling line is attached for pulling the cable into a conduit or duct.
PULSE CABLE - Type of coaxial cable with or without a magnetic core constructed to transmit repeated high voltage pulses without degradation. Usually multi-shielded.
PULSE COMMUNICATIONS - Telecommunications involving the transmission of information by means of pulse modulation. Pulse communication is used in systems that operate by means of time-division multiplexing.
PUNCTURE VOLTAGE - The value of voltage that causes an insulator to be punctured when it is subjected to a gradually increasing voltage.
PUT UP - Packaging of finished wire or cable.
PVC - Abbreviation for polyvinylchloride. See polyvinylchloride.
PVC-105° C - Specially compounded high temperature polyvinylchloride.
PVC-I - Abbreviation for black polyvinylchloride, contaminating, type I, per MIL-C-17.
