[O]

O.D. - outside diameter.

Off-center - conductor displaced within the cross-section of its insulation.

Offgassing - percentage of a specified gas releases during the combustion of insulation or jacketing material.

OFHC - abbreviation for oxygen-free high conductivity copper. It has no residual deoxidant, 99.95% minimum copper content and an average annealed conductivity of 101%

Ohm - The unit of electrical resistance. The value of resistance through which a potential difference of one volt will maintain a current of one ampere.

Oil Aging - cable aged in an accelerated manner by placement in an oil bath and heated to a pre-set temperature fr a stated time.

Oil-Filled Cable - a self-contained pressure cable in which the pressure medium is low viscosity oil having access to the insulation.

Outgassing - the dissipation of gas from a dielectric evidencing decomposition.

OVE - approval agency of West Germany; Osesterreichischer Verband fur Electrotechnik.

Overall Diameter - finished diameter over wire and cable.