Leviton 303-15D21-R 15-Series Cam-Type Male Detachable Plug, Red Hot/Phase, 125A 600V AC, #8–#4 AWG Copper Conductors, Single-Pole Locking Attachment Plug (mates with 264B)

Leviton 303-15D21-R 15-Series Cam-Type Male Detachable Plug, Red Hot/Phase, 125A 600V AC, #8–#4 AWG Copper Conductors, Single-Pole Locking Attachment Plug (mates with 264B)

Condition: New in factory-sealed plastic; Made in Mexico. UPC 078477020777. Clean terminals and boot; never installed.

This Leviton 303-15D21-R is a 15-Series, single-pole male cam-type detachable plug used for portable power distribution in entertainment, events, and industrial temporary power. The red elastomer sleeve provides quick phase identification, while the cam-locking contact delivers a secure, low-resistance connection under vibration. Rated 125A, 600V AC with set-screw terminations for #8–#4 AWG copper, it mates with the corresponding Leviton attachment receptacle 264B (match series/gender/polarity). Packaging is bilingual—“Fiche amovible à came”—common to Leviton’s North American line.

Features

• 15-Series cam-type male plug; single-pole, locking cam contact for secure high-current feeds
• Electrical ratings: 125 Amps, 600 Volts AC (use within job and code requirements)
• Conductor range: #8–#4 AWG copper; double set-screw termination (torque per Leviton spec)
• Color: Red (typ. Hot/Phase leg in feeder sets) for fast circuit ID
• Durable TPE housing: impact/abrasion resistant for rental and jobsite duty
• Field-serviceable: replaceable boots/contacts within the Leviton 15-Series ecosystem
• Mating device: panel/cord receptacle 264B (verify gender and polarity before use)

Specifications

• Catalog number: 303-15D21-R
• Series / Type: Leviton 15-Series cam-type, detachable male plug
• Ratings: 125A, 600V AC
• Conductor size: #8–#4 AWG copper, finely stranded portable power cable
• Termination: Set-screw (compression)
• Housing/Boot: Thermoplastic elastomer, Red
• UPC: 078477020777
• Country of origin: Mexico
• Typical polarity keying: Standard Leviton 15-Series; do not mix unlike series

Applications / Spheres of Use

• Entertainment power: stages, film/TV, live events, portable distros
• Industrial temporary power: generators, load banks, shutdowns, maintenance tie-ins
• Facilities: arenas, convention centers, exhibition halls, portable feeder whips
• HVAC/electrical contractors: temporary generator hook-ups and testing

Cross-Referenced / Related Leviton Items

• 304-15D22-B — 15-Series female detachable plug, Blue (neutral/phase)
• 302-15D22-W — 15-Series female detachable plug, White (Neutral)
• 301-15D22-E — 15-Series female detachable plug, Green (Equipment Ground)
• 264B — Attachment receptacle that mates with this plug (match color/polarity)
• 2648 — Common panel receptacle seen with related female plugs (verify application)

Comparable Products

• Leviton 15-Series cams in other colors (Black/Red/Blue/White/Green) for full 5-wire sets
• 16-Series single-pole cams (higher capacity ~400A/600V) when larger feeders are required
• Entertainment-grade cam-type connectors from other brands (ensure 15-Series compatibility before mixing)

Use in Larger Systems / Assemblies

• Build 5-wire feeder sets (H1/H2/H3/Neutral/Ground) by pairing this Red male plug with matching colors/genders
• Integrates with portable distros, generator pigtails, and panel-mount receptacles
• For outdoor/event work, add boots/caps, strain relief, and proper cable clamps; always torque set-screws to spec and insulation-test after assembly

Trademarks

Leviton is a trademark or registered trademark of Leviton Manufacturing Co., Inc. All other trademarks and trade names are the property of their respective owners and are used strictly for identification and comparison purposes.

Related

leviton 303-15d21-r red male cam plug; 15 series single pole connector 125a 600v; detachable cam-lock plug #8–#4 awg; entertainment power cam connector; attachment plug 264b mating; portable feeder male plug; device for temporary electrical connection; red phase cam-type plug; leviton mexico cam series; stage power connector

Common Requests:

1. “What set-screw torque and bushing do I use for #4 AWG on 303-15D21-R?”
2. “Which panel receptacle (e.g., 264B) correctly mates with this male plug?”
3. “Can I mix this Leviton 15-Series plug with another brand’s 15-Series cams?”
4. “Which colors do I need to build a complete 5-wire feeder set?”
5. “When should I move up to 16-Series (400A) connectors instead of 15-Series?”

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