A Step-By-Step Breakdown Of L6-20 Receptacle Wiring

NEMA L6-20P Twist Lock Plugs from Installation Parts Supply

One rugged 20 amp connection can keep an entire shift running. We see teams lose hours to power faults, so we focus on l6-20r wiring solutions that stop that waste. Our commercial-grade 20A, 250V locking plug options are built to hold under vibration and heavy use.

We make it easy to shop and compare product information. Every item includes pole and wire details, grounding needs, and color indicators so you can see how it fits your devices.

With high-impact housings, solid brass blades, and UL/cUL listings, these units match real-world job site demands. Pricing begins near $12.80, and most inventory ships in 1–2 days from our New York warehouse.

If you need support picking the right component, our team offers friendly guidance so projects stay on schedule and installs meet code.

l6-20 plug wiring diagram

Commercial-Grade NEMA L6-20P Twist Lock Plugs: Features, Specs, and Benefits

Picking the right connector begins with clear specs and robust construction you can trust. We show the core electrical package up front so installers can match the device to the proper breaker and wire size.

Key electrical ratings include: 20 amp, 250V AC, 2-pole/3-wire grounding configuration that supports safe, stable 250v service.

  • Durable bodies molded from high-impact, heat-resistant nylon or polycarbonate paired with solid brass blades for low resistance.
  • Ergonomic fluted body plus a radial grip ridge provide confident insertion and removal, even when wearing gloves.
  • UL/cUL listings (Spec # WJ-9433, File # E237606) and clear rating marks simplify compliance checks.
Spec Rating Notes Color Code
Current 20A Matches common 20 amp breakers Black (some models use blue code)
Voltage Rating 250V Indoor use only Black
Configuration 2-Pole/3-Wire Grounding male connector Black / Blue
Body Material Nylon / Polycarbonate High-impact and heat-resistant Black body

Every product page is curated with pole layout, wire ranges, and grounding guidance so you can specify the correct item without guessing. Our team is ready to help match a product to your application.

NEMA L6-20P Twist Lock Plug Overview

A clear wiring plan helps technicians complete assemblies quickly and avoid rework.

Wiring and configuration details: male locking plug with grounding

We list the exact configuration so teams can prepare conductors and tools before assembly. This male connector is 2-pole/3-wire grounding and carries a rating of 20 amp, 250v AC.

Cable range and fit: accepts 0.375″-1.156″ OD cords

Every unit accepts a wide cord range to allow flexible installs. Typical conductor compatibility includes 14–10 AWG. The ergonomic fluted body and radial grip ridge help make repetitive wiring faster and more consistent.

Spec Rating Details
Connector Configuration Male locking plug 2-Pole / 3-Wire with grounding
Cable Outside Diameter 0.375″–1.156″ Wide strain relief range
Conductor Range 14–10 AWG Matches 20 amp terminations
Listings & Use cULus on select items Indoor use on specific models

At Installation Parts Supply, we help guide wiring steps and cord selection so your order shows up ready for an efficient installation. If you need more wiring information, our team will help you match the right cord OD, wire gauge, and clamp hardware to your application.

Why Purchase NEMA L6-20P Locking Plugs from Installation Parts Supply

Fast fulfillment and clear support save time on every job—especially when power is critical. We keep stock flowing from our Sanborn, NY warehouse so orders typically ship in 1–2 days. That quick turnaround helps you hit deadlines and avoid costly downtime.

We provide shipping across the U.S. with consistent transit times. Pricing commonly starts near $12.80 each, and specific items include cULus listings (Cord Connector 91GG) with Spec # WJ-9433 and File # E237606.

Friendly product expertise and customer support

Our product experts are available Monday–Friday, 8:00 a.m.–5:30 p.m. EST via phone or email to confirm specifications such as amp rating, grounding needs, and cord OD ranges.

  • Durable construction with high-impact nylon or polycarbonate bodies and solid brass blades for dependable 250v service.
  • Clear markings on each device for easy submittals and field ID, including color indicators to avoid mismatches.
  • We assist with matching mating connectors, recommend strain relief hardware for your cord, and support both volume and single-unit orders.

Final Thoughts

We bring together verified performance data and friendly support to help speed your work. These 20 amp, 250V AC, 2-pole/3-wire grounding options provide clear wiring details and dependable locking engagement for mission-critical installs.

Select high-impact nylon or polycarbonate bodies with solid brass blades backed by published cULus/UL listings. Cord fit ranges up to 0.375″–1.156″ and ergonomic grips help make assembly fast. Pricing starts near $12.80 and most orders ship in 1–2 days from our New York warehouse. We value the opportunity to support your next order through helpful guidance and quick shipping.