30A Extension Cords | McMaster-Carr

Choose a Category

Clear All

	NEMA Style NEMA Style

5-20

	Length Length

	Wire Gauge Wire Gauge

	Color Color

	Black		Yellow
	Gray		Red

	Connection Type Connection Type

	Number of Outlets Number of Outlets

	Current Current	Show

30A

	Current Current	Hide

	Voltage Voltage

125V AC

250V AC

480V AC

	Number of Blades Number of Blades

	3		4

	Number of Slots Number of Slots

	3		4

	End Type End Type


Plug	Socket

	End Shape End Shape


90° Elbow	Straight

	Application Application

Power

	Gender Gender

Male

Female

	Number of Wires Number of Wires

	Cord Insulation Material Cord Insulation Material

PVC Plastic

Rubber

	Maximum Temperature Maximum Temperature

Less than 150° F

200° to 249° F

	Minimum Temperature Minimum Temperature

-49° to -25° F

-24° to 0° F

	Industry Designation Industry Designation

	Flexibility Flexibility

	Flexible

	Cord OD Cord OD

	Specifications Met Specifications Met

CSA

	Power-Indicating Light Power-Indicating Light

Without Power-Indicating
Light

View catalog pages (4)

Forward

How can we improve?

27 Products

About Industry Designation for Cable Insulation

About Extension Cords

NEMA L5-30 Plug

NEMA L5-30 Socket

NEMA L14-30 Plug

NEMA L14-30 Socket

NEMA L15-30 Plug

NEMA L15-30 Socket

Thick insulation protects the internal wires of these cords, so they can be used in high-traffic areas and over rough areas. The insulation also resists water. Give the connectors a quarter turn to lock in place; they remain secure in high-vibration applications.

					Cord
Lg., ft.	Wire Gauge	Current, A	Voltage	Power-Indicating Light	OD	Insulation Material	Industry Designation	Specifications Met	Color		Each
NEMA L5-30 Plug × NEMA L5-30 Socket
10	10	30	125V AC	Without Power-Indicating Light	0.67"	PVC Plastic	STW	UL Listed	Black	0000000	000000
25	10	30	125V AC	Without Power-Indicating Light	0.69"	PVC Plastic	STW	UL Listed	Yellow	0000000	00000
50	10	30	125V AC	Without Power-Indicating Light	0.69"	PVC Plastic	STW	UL Listed	Yellow	0000000	000000
NEMA L14-30 Plug × NEMA L14-30 Socket
10	10	30	125V AC/250V AC	Without Power-Indicating Light	0.62"	PVC Plastic	SJTW	UL Listed, C-UL Listed	Yellow	0000000	00000
20	10	30	125V AC/250V AC	Without Power-Indicating Light	0.62"	PVC Plastic	SJTW	UL Listed, C-UL Listed	Red	0000000	00000
25	10	30	125V AC/250V AC	Without Power-Indicating Light	0.69"	PVC Plastic	STW	UL Listed	Yellow	0000000	000000
50	10	30	125V AC/250V AC	Without Power-Indicating Light	0.69"	PVC Plastic	STW	UL Listed	Yellow	0000000	000000
NEMA L15-30 Plug × NEMA L15-30 Socket
25	10	30	250V AC	Without Power-Indicating Light	0.63"	PVC Plastic	SJTW	UL Listed	Yellow	0000000	000000
50	10	30	250V AC	Without Power-Indicating Light	0.63"	PVC Plastic	SJTW	UL Listed	Yellow	0000000	000000

Turn-Lock Extension Cords for Harsh Environments

NEMA L16-30 Plug

NEMA L16-30 Socket

These cords have an oil- and water-resistant insulation and impact-resistant connectors for protection in harsh environments. Give the connectors a quarter turn to lock in place; they remaining secure in high-vibration applications.

					Cord
Lg., ft.	Wire Ga.	Current, A	Voltage	Power-Indicating Light	OD	Insulation Material	Industry Designation	Specifications Met	Color		Each
NEMA L16-30 Plug × L16-30 Socket
25	10	30	480V AC	Without Power-Indicating Light	0.75"	Rubber	SOOW	UL Listed	Yellow	0000000	0000000

GFCI Turn-Lock Extension Cords

Keep personnel safe from electric shock with these cords. Give the connectors a quarter turn to lock in place; they remain secure in high-vibration applications. All have a manual GFCI reset that prevents unexpected equipment start-up. The industry designation is SJTW, so the insulation resists water.

NEMA L5-30 Plug

NEMA L5-30 Socket

NEMA L6-30 Plug

NEMA L6-30 Socket

NEMA L5-30 Plug × NEMA L5-30 Socket
Lg., ft.	Wire Gauge	Current, A	Voltage	GFCI Location	Reset Type	Power-Indicating Light	Cord Insulation Material	Industry Designation	Specifications Met	Color		Each
2	10	30	125V AC	Inline	Manual	Without Power-Indicating Light	PVC Plastic	SJTW	UL Listed, CSA Certified	Yellow	0000000	0000000
NEMA L6-30 Plug × NEMA L6-30 Socket
3	10	30	250V AC	Inline	Manual	Without Power-Indicating Light	PVC Plastic	SJTW	UL Listed, CSA Certified	Yellow	0000000	000000
6	10	30	250V AC	Inline	Manual	Without Power-Indicating Light	PVC Plastic	SJTW	UL Listed, CSA Certified	Yellow	0000000	000000
25	10	30	250V AC	Inline	Manual	Without Power-Indicating Light	PVC Plastic	SJTW	UL Listed, CSA Certified	Yellow	0000000	000000

Extension Cord Adapters

NEMA L5-30 Plug × NEMA L14-30 Socket

NEMA L14-30 Plug × NEMA 6-20 Socket

NEMA L14-30 Plug × NEMA 6-50 Socket

NEMA L14-30 Plug × NEMA L14-20 Socket

NEMA L14-30 Plug × NEMA L5-30 Socket

NEMA L14-30 Plug × NEMA L6-30 Socket

NEMA L5-30 Socket

NEMA L5-30 Plug

NEMA L14-30 Socket

NEMA L6-30 Socket

NEMA L14-30 Plug

NEMA 6-20 Socket

NEMA 6-50 Socket

NEMA L14-20 Socket

Change the connection style between an outlet and your equipment.

STW adapters have a water-resistant outer insulation.

					Cord
Lg.	Wire Gauge	Current, A	Voltage	Power-Indicating Light	OD	Insulation Material	Industry Designation	Specifications Met	Color		Each
NEMA L5-30 Plug × NEMA L14-30 Socket
1 1/2 ft.	10	30	125V AC	Without Power-Indicating Light	0.69"	PVC Plastic	STW	UL Listed, C-UL Listed	Yellow	0000000	000000
NEMA L14-30 Plug × NEMA 6-20 Socket
1 1/2 ft.	10	30	125V AC	Without Power-Indicating Light	0.69"	PVC Plastic	STW	UL Listed, C-UL Listed	Yellow	0000000	00000
NEMA L14-30 Plug × NEMA 6-50 Socket
1 1/2 ft.	10	30	125V AC	Without Power-Indicating Light	0.69"	PVC Plastic	STW	UL Listed, C-UL Listed	Yellow	0000000	00000
NEMA L14-30 Plug × NEMA L14-20 Socket
1 1/2 ft.	10	30	125V AC	Without Power-Indicating Light	0.69"	PVC Plastic	STW	UL Listed, C-UL Listed	Yellow	0000000	00000
NEMA L14-30 Plug × NEMA L5-30 Socket
1 1/2 ft.	10	30	125V AC	Without Power-Indicating Light	0.69"	PVC Plastic	STW	UL Listed, C-UL Listed	Yellow	0000000	00000
NEMA L14-30 Plug × NEMA L6-30 Socket
1 1/2 ft.	10	30	125V AC	Without Power-Indicating Light	0.69"	PVC Plastic	STW	UL Listed, C-UL Listed	Black	0000000	00000

Extension Cord Splitters

Power multiple devices from the same outlet with these splitters.

STOW splitters have an oil- and water-resistant insulation.

Two-Outlet Splitters

With Two Outlets

NEMA 5-20 Socket

NEMA L14-30 Plug

					Cord
Lg., ft.	Wire Ga.	Current, A	Voltage	Power-Indicating Light	OD	Insulation Material	Industry Designation	Color		Each
NEMA L14-30 Plug × NEMA 5-20 Socket
3	10	30	125V AC/250V AC	Without Power-Indicating Light	0.75"	Rubber	STOW	Yellow	0000000	000000

Three-Outlet Splitters

With Three Outlets

NEMA 5-20 Socket

NEMA L5-30 Plug

					Cord
Lg., ft.	Wire Ga.	Current, A	Voltage	Power-Indicating Light	OD	Insulation Material	Industry Designation	Color		Each
NEMA L5-30 Plug × NEMA 5-20 Socket
2	12	30	125V AC	Without Power-Indicating Light	0.56"	Rubber	STOW	Yellow	0000000	000000

Power Cords

90° Elbow Plug × Spade Terminals

NEMA 10-30 Plug

NEMA 14-30 Plug

Cords with a 90° elbow plug fit flush against a wall outlet, so they fit behind machinery or in areas where space is tight.

SRDT cords are for use with high-current equipment, such as ranges and dryers.

				Cord
Wire Gauge	Current, A	Voltage	Lg., ft.	OD	Wd.	Insulation Material	Industry Designation	Temp. Range, °F	Specifications Met	Color		Each
90° Elbow NEMA 10-30 Plug × Spade Terminals
10	30	125V AC/250V AC	6	__	0.83"	PVC Plastic	SRDT	0° to 140°	UL Listed	Gray	00000000	000000
90° Elbow NEMA 14-30 Plug × Spade Terminals
10	30	125V AC/250V AC	4	0.67"	__	PVC Plastic	SRDT	0° to 140°	UL Listed	Black	000000000	00000
10	30	125V AC/250V AC	6	0.67"	__	PVC Plastic	SRDT	0° to 140°	UL Listed	Black	00000000	00000

Turn-Lock Power Cords

NEMA L5-30 Plug

NEMA L6-30 Plug

The plug on these cords turns to lock in an outlet, so they remain securely attached in high-vibration applications.

					Cord
NEMA Style	Wire Gauge	Current, A	Voltage	Lg., ft.	OD	Insulation Material	Industry Designation	Temp. Range, °F	Specifications Met	Color		Each
NEMA Plug × Wire Leads
L5-30	10	30	125V AC	8	0.56"	PVC Plastic	SJT	0° to 140°	UL Listed, C-UL Listed	Black	000000000	000000
L6-30	10	30	250V AC	8	0.56"	PVC Plastic	SJT	0° to 140°	UL Listed, C-UL Listed	Black	000000000	00000

Terms and Conditions and Privacy Policy

About Industry Designation for Cable Insulation

About Extension Cords

Abrasion-Resistant Turn-Lock Extension Cords

Turn-Lock Extension Cords for Harsh Environments

GFCI Turn-Lock Extension Cords

Extension Cord Adapters

Extension Cord Splitters

Power Cords

Turn-Lock Power Cords