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Black rubber straight-blade non-polarized plug rated 15 amp 125 volt cord size .437 inch

Trisonic

Trisonic PT-7958 Straight Blade Plug Non Polarized 15 AMP 125V Rubber Black .437 inch cord

SKU CH-7KZR-4X512 MPN PT-7958

A non-polarised straight-blade plug rated 15 AMP at 125 V with a .437 inch cord opening

  • Handles 15 amp loads for standard circuits
  • Rated at 125 volts for household wiring
  • Non-polarized blades fit either outlet orientation
  • Rubber housing resists impact and wear daily
  • Accepts .437 inch cord for secure fit

Straight-blade non-polarised plug

The Trisonic PT-7958 is a 15 AMP 125V straight-blade plug designed for non-polarised connections in residential and commercial wiring tasks. It accepts a .437 inch cord and uses steel blades built to the NEMA WD 1 standard. The bulk-packaged unit suits electricians and DIYers replacing worn plugs on lamps, appliances or extension leads.

Thermals noise and power draw

Rated for 15 AMP at 125V, the plug handles continuous loads within that limit without overheating when correctly wired to a matching cord. The rubber body resists heat and impact during normal indoor use. No moving parts mean silent operation and zero standby power consumption.

Bulk packaging and NEMA WD 1 compliance

Supplied in bulk, the plug arrives without retail packaging or accessories, reducing waste for high-volume installers. NEMA WD 1 compliance confirms the dimensional and material requirements for safe mating with standard North American receptacles. The steel blades maintain reliable contact over repeated insertions.

Highlights

  • Handles 15 amp loads for standard circuits
  • Rated at 125 volts for household wiring
  • Non-polarized blades fit either outlet orientation
  • Rubber housing resists impact and wear daily
  • Accepts .437 inch cord for secure fit

Specifications

BrandPowtech
ModelPT-7958

Questions about this item

How do I wire the PT-7958 plug and which step is often missed?

Strip the .437 inch cord, insert wires into the two terminals, tighten screws securely, then snap the rubber housing shut; the step often missed is fully seating the cord clamp so strain relief holds.

What part of the PT-7958 will need replacement first with regular use?

The steel blades can loosen or oxidise after many insertions, and the rubber body may crack from repeated flexing; replace the whole plug when blades no longer grip tightly.

What limit appears first when the PT-7958 runs at 15 amps continuously?

The 125 volt 15 amp rating is the hard limit; sustained loads at that level will heat the steel blades and rubber housing until the plug reaches its thermal maximum.

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