NEMA L20-20 Plugs | McMaster-Carr

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8 Products

About NEMA Plugs, Sockets, and Receptacles

Turn-Lock Plugs, Sockets, and Receptacles

A quarter turn locks these connectors in place to remain secure in high-vibration applications and prevent accidental disconnection.

Receptacles for outlet boxes fit standard wall plates (not included).

For technical drawings and 3-D models, click on a part number.

Four-Blade Plugs

NEMA L20-20 Male

Non-Grounded
NEMA Style	Voltage	Current	OD	Wire Connection Type	For Cable OD	Specifications Met	Color		Each
L20-20	347V AC/600V AC	20A	2.2"	Screw Terminals	0.23"-1.15"	UL Listed, CSA Certified	Black	0000000	000000

Four-Blade 90° Elbow Plugs

NEMA L20-20 Male

Non-Grounded
NEMA Style	Voltage	Current	OD	Wire Connection Type	For Cable OD	Specifications Met	Color		Each
L20-20	347V AC/600V AC	20A	2.6"	Screw Terminals	0.23"-1.15"	UL Listed	Black	0000000	000000

Four-Slot Sockets

NEMA L20-20 Female

Non-Grounded
NEMA Style	Voltage	Current	OD	Wire Connection Type	For Cable OD	Specifications Met	Color		Each
L20-20	347V AC/600V AC	20A	2.2"	Screw Terminals	0.23"-1.15"	UL Listed, CSA Certified	Black	0000000	000000

Four-Slot Single Female Receptacles

NEMA L20-20 Female

Non-Grounded
NEMA Style	Voltage	Current	Face Dia.	Wire Connection Type	Receptacle Terminal Location	Mounting Location	Specifications Met	Color		Each
L20-20	347V AC/600V AC	20A	1.6"	Screw Terminals	Back, Side	Outlet Box	UL Listed, CSA Certified	Black	0000000	000000

Four-Slot Panel-Mount Female Receptacles

NEMA L20-20 Female

Non-Grounded
NEMA Style	Voltage	Current	Wire Connection Type	Receptacle Terminal Location	For Panel Cutout Dia.	Specifications Met	Color		Each
L20-20	347V AC/600V AC	20A	Screw Terminals	Back, Side	2.1"	UL Listed, CSA Certified	Gray	0000000	000000

Premium Turn-Lock Plugs, Sockets, and Receptacles

Also known as twist-lock devices, these connectors are built to handle tough, repetitive-use applications, and are more durable than standard turn-lock connectors. A quarter turn locks them in place to remain secure in high-vibration applications and prevent accidental disconnection.

Receptacles for outlet boxes fit standard wall plates (not included).

For technical drawings and 3-D models, click on a part number.

Four-Blade Plugs

NEMA L20-20 Male

Non-Grounded
NEMA Style	Voltage	Current	OD	Wire Connection Type	For Cable OD	Color	Environmental Rating	Specifications Met		Each
L20-20	347V AC/600V AC	20A	2.3"	Screw Terminals	0.35"-1.15"	Black	IP20	UL Listed, CSA Certified, Fed. Spec. W-C-596, UL 94 HB, UL 498	00000000	000000

Four-Slot Sockets

NEMA L20-20 Female

Non-Grounded
NEMA Style	Voltage	Current	OD	Wire Connection Type	For Cable OD	Color	Environmental Rating	Specifications Met		Each
L20-20	347V AC/600V AC	20A	2.3"	Screw Terminals	0.35"-1.15"	Black	NEMA 1, IP20	UL Listed, CSA Certified, Fed. Spec. W-C-596, UL 94 HB, UL 498	00000000	000000

Four-Slot Single Female Receptacles

NEMA L20-20 Female

Non-Grounded
NEMA Style	Voltage	Current	Face Dia.	Wire Connection Type	Receptacle Terminal Location	Mounting Location	Color	Environmental Rating	Specifications Met		Each
L20-20	347V AC/600V AC	20A	1.6"	Screw Terminals	Back, Side	Outlet Box	Black	NEMA 1, IP20	UL Listed, C-UL Listed, CSA Certified, Fed. Spec. W-C-596, UL 94 V-2, UL 498	00000000	000000