Liquid leak detection cable

A leak detection cable comprising:

• a first electrical conductor;
• a second electrical conductor disposed in a substantially parallel relationship with first electrical conductor;
• a standard insulation layer encapsulating said first and second electrical conductors;
• and
• a vapor-proof insulation layer surrounding said standard insulation layer, said vapor-proof insulation layer allowing passage of liquid organic chemicals while excluding water vapors and liquid water.

A coaxial leak detection cable for detecting a leaking liquid organic chemical, the cable comprising:

• a first electrical conductor;
• a second electrical conductor constructed of braided conductive strands so as to permit passage of the liquid organic chemical therethrough, said first electrical conductor being disposed in a coaxial arrangement within a lumen of said second electrical conductor;
• a first insulation layer disposed between said first and second electrical conductors, said first insulation layer being formed from ePTFE, and
• a second insulation layer surrounding said outer electrical conductor, said second insulation layer being formed from ePTFE which has been at least partially impregnated with wax, said wax being soluble in said liquid organic chemical.