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Black 6ft extension cord with NEMA 5-20P plug and 5-20R receptacle, thick SJT jacket

Cable Leader

Cable Leader PW143-1206 6ft NEMA 5-20P to 5-20R 12 AWG 20A 125V power extension cord

SKU CH-5ER1-Z6Y29

A 6 ft indoor extension cord with NEMA 5-20P to 5-20R connectors, 12 AWG copper, 20 A / 125 V rating, UL and CSA certified

  • Key featuresThis 6 ft power extension cord is made by Cable Leader and f
  • Extends power reach with 6 ft NEMA 5-20P to 5-20R connection
  • Heavy-duty 12 AWG copper handles 20 A at 125 V safely
  • Fully grounded three-wire design with moulded plugs and strain relief
  • Indoor-rated SJT jacket resists heat and flame for office or workshop use
  • Safety certified UL Listed and CSA file E210037 plus RoHS compliant

Extends power reach indoors

This 6 ft extension cord adds length between a NEMA 5-20P plug and a NEMA 5-20R receptacle so computers, monitors or shop equipment can reach a wall outlet or power strip. It uses 12 AWG SJT-jacketed copper conductors rated for 20 A at 125 V. The fully grounded three-wire design includes molded plugs with strain relief for a secure connection. UL Listed and CSA certified under file E210037, it also meets RoHS requirements.

Replaces shorter or lighter cords

Use this cord when the factory cable on a device is too short to reach the nearest 20 A circuit or when a thinner gauge cord cannot safely carry the load. The 12 AWG construction handles the full 20 A rating without overheating, making the step up worthwhile for high-draw appliances or multiple devices on a single strip. It is not intended for outdoor or wet locations, so keep it inside offices, labs or workshops.

Capacity and headroom

The cord comfortably supplies up to 20 A at 125 V to servers, workstations, test gear or workshop tools that use a 5-20P plug. Its 12 AWG conductors provide low resistance over the 6 ft run, preserving voltage at the load. It will not support loads above 20 A or voltages beyond 125 V, and the SJT jacket is not rated for permanent outdoor exposure.

How it compares

Measured against everything we stock in AC Extension Cords, at today’s prices. Recalculated every night.

Price $16.99
Pricier than about 55% of the 864 comparable items (median $15.99).

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Specifications

Product
Brand nameCable Leader
Model namePW143-1206

Questions about this item

Will the NEMA 5-20P male plug fit my 20 A 125 V wall receptacle?

Yes — the male end is a NEMA 5-20P T-blade plug rated 20 A at 125 V, matching a standard 20 A receptacle.

Do I need tools to connect the 5-20R female end to my equipment cord?

No tools required; insert the equipment plug fully into the 5-20R until the ground pin seats and the molded strain relief engages.

How do I know when the SJT jacket or 12 AWG conductors need replacement?

Replace the cord if the PVC sheath shows cracks, discoloration from heat, or if the molded plugs become loose or damaged.

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