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Black 12ft twist-lock power cord with L6-30P plug and C19 connector, SJT jacket

Cable Leader

Cable Leader 12ft NEMA L6-30P to C19 Locking Power Cord 12 AWG 10A 125V Black

SKU CH-59FN-AWJ7E

Twist-lock 12 ft cord with 12 AWG copper, 10A/125V rating and UL/CSA certification for secure server and PDU power

  • Connector count2
  • Conductor gauge12 AWG
  • Product colorBlack
  • Overall length11–15 ft

Length 12ft

  • Twist-lock plug prevents accidental disconnection in racks
  • 12 AWG copper handles up to 20A for heavy-duty equipment
  • SJT jacket rated 105C and 300V for durability
  • UL Listed and CSA certified file E210037
  • Black jacket simplifies circuit identification in server rooms

Locking Power Cord for Rack Equipment

This 12 ft NEMA L6-30P to C19 cord delivers a secure twist-lock connection for servers and PDUs in data centres. The locking plug prevents accidental disconnection under vibration or rack movement. It uses 12 AWG, three-conductor copper with an SJT jacket rated to 105C and 300V. The black jacket aids circuit identification in dense racks.

Thermals and Electrical Rating

The cord carries a 10A rating at 125V through its heavy-duty 12 AWG conductors. UL Listing and CSA certification (file E210037) confirm compliance with North American safety standards. RoHS compliance ensures restricted substances are absent from materials. The SJT jacket withstands operating temperatures up to 105C without degrading insulation performance.

Sustained Load Behaviour

Under continuous 10A draw the 12 AWG copper limits voltage drop across the 12 ft length better than thinner gauges. The twist-lock mechanism maintains full contact pressure over time, avoiding resistance rise from loose plugs. The 300V cable rating provides margin above the 125V operating voltage during prolonged use. It is not suited for circuits requiring higher amperage than 10A or non-locking outlets.

How it compares

Measured against everything we stock in PC Power Cables, at today’s prices. Recalculated every night.

Price $29.99
Pricier than about 80% of the 1,029 comparable items (median $15.99).

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Specifications

Product
Brand nameGENERIC
Product colorBlack
Ports & slots
Connector count2
Size & build
Overall length11–15 ft
Conductor gauge12 AWG

Other versions of this model

3 more in the same range

Questions about this item

How do I install the NEMA L6-30P twist-lock plug on a PDU, and what step do people get wrong?

Align the plug blades with the outlet slots, push fully in, then twist clockwise until it locks. The step people miss is the final twist; without it the cord can pull loose under vibration.

What maintenance or replacement will this 12 AWG SJT cord need later?

Inspect the jacket and connectors periodically for cracks, discolouration or heat damage. Replace the cord if the insulation hardens, the locking mechanism slips, or the plug shows pitting.

What limit appears first on this 10A 125V cable during sustained use?

The 10 ampere rating is the first limit. Drawing more than 10 amps continuously will overheat the conductors before the 300 volt insulation rating becomes a factor.

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