6-20 Extension Cords | McMaster-Carr

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	NEMA Style NEMA Style	Show

6-20

	NEMA Style NEMA Style	Hide

1-15
5-15
5-20
6-15
6-20
6-50
10-30
10-50

	Current Current

18A

20A

30A

	Voltage Voltage

125V AC

250V AC

	Number of Blades Number of Blades

	3		4

	Number of Slots Number of Slots

	3

	Length Length

	Connection Type Connection Type


Straight Blade	Turn Lock

	End Shape End Shape


Straight	90° Elbow

	Wire Gauge Wire Gauge

	End Type End Type


Plug	Socket

	Number of Outlets Number of Outlets

	Application Application

Power

	Gender Gender

Male

Female

	Specifications Met Specifications Met

CSA

IEC

	Color Color

	Black
	Yellow
	Gray

	Industry Designation Industry Designation

	Flexibility Flexibility

	Flexible

	Cord Insulation Material Cord Insulation Material

PVC Plastic

Rubber

TPE Rubber

	DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense Acquisition Regulations Supplement)

DFARS Specialty Metals
COTS-Exempt

	Minimum Temperature Minimum Temperature

-50° F or less

-49° to -25° F

-24° to 0° F

	Maximum Temperature Maximum Temperature

Less than 150° F

175° to 199° F

200° to 249° F

	IEC Style IEC Style

	C19

	Power-Indicating Light Power-Indicating Light

Without Power-Indicating
Light

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7 Products

About Industry Designation for Cable Insulation

About Extension Cords

About Hazardous Location Environmental Ratings

NEMA 6-20 Plug

NEMA 6-20 Socket

Designed for indoor applications, these cords are often used to power appliances. They have a 90° elbow plug that fits flush against a wall outlet, so they fit behind machinery or in areas where space is tight. The industry designation is SPT, so they have a flat cord shape.

					Cord
Lg., ft.	Wire Gauge	Current, A	Voltage	Power-Indicating Light	Wd.	Insulation Material	Industry Designation	Specifications Met	Color		Each
90° Elbow NEMA 6-20 Plug × NEMA 6-20 Socket
9	12	20	250V AC	Without Power-Indicating Light	1.25"	PVC Plastic	SPT-3	UL Listed, C-UL Listed	Gray	0000000	000000

Abrasion-Resistant Extension Cords for Harsh Environments

Run these cords through high-traffic areas in dirty and greasy environments. They have a thick insulation that resists water, oil, and chemicals, and protects against abrasion.

SOOW cords are more durable than SEOW cords and have impact-resistant connectors.

NEMA 6-20 Plug

NEMA 6-20 Socket

				Cord
Wire Gauge	Current, A	Voltage	Power-Indicating Light	OD	Insulation Material	Industry Designation	Specifications Met	Color		Each
NEMA 6-20 Plug × NEMA 6-20 Socket
25 ft.
14	18	250V AC	Without Power-Indicating Light	0.5"	Rubber	SOOW	UL Listed	Yellow	0000000	0000000

Extension Cords for Hazardous Locations

NEMA 6-20 Plug

NEMA 6-20 Socket

Use these cords where ignitable gas and dust may be present. The industry designation is SEOOW, so the inner and outer insulation resists oil.

Hazardous location environmental ratings indicate whether manufacturers have included safety features in products to facilitate their safe use in a hazardous environment. Before selecting a product for a hazardous location, ensure it is rated for your environment. See About Hazardous Location Environmental Ratings.

					Cord
Lg., ft.	Wire Gauge	Current, A	Voltage	Power-Indicating Light	OD	Insulation Material	Industry Designation	Environmental Rating	Specifications Met	Color		Each
NEMA 6-20 Plug × NEMA 6-20 Socket
50	10	20	250V AC	Without Power-Indicating Light	0.66"	TPE Rubber	SEOOW	NEC Class I Divisions 1, 2 Groups B, C, D NEC Class II Divisions 1, 2 Groups F, G	CSA Certified	Black	0000000	0000000

GFCI Extension Cords

Keep personnel safe from electric shock with these cords. The industry desgination is SJTW, so the insulation resists water.

Cords with manual GFCI reset prevent unexpected start-up.

Plug × Socket with Inline GFCI

NEMA 6-20 Plug

NEMA 6-20 Socket

NEMA 6-20 Plug × NEMA 6-20 Socket
Lg., ft.	No. of Outlets	Wire Gauge	Current, A	Voltage	GFCI Location	Reset Type	Power-Indicating Light	Cord Insulation Material	Industry Designation	Specifications Met	Color		Each
6	1	12	20	250V AC	Inline	Manual	Without Power-Indicating Light	PVC Plastic	SJTW	UL Listed, CSA Certified	Yellow	0000000	000000
25	1	12	20	250V AC	Inline	Manual	Without Power-Indicating Light	PVC Plastic	SJTW	UL Listed, CSA Certified	Yellow	0000000	000000

Extension Cord Adapters

NEMA L14-30 Plug × NEMA 6-20 Socket

NEMA L14-30 Plug

NEMA 6-20 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 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	000000

Electronic Equipment Power Cords

NEMA Plug × IEC Socket

IEC C19 Socket

NEMA 6-20 Plug

Use these cords with computers, lab equipment, and office machines that have IEC connections.

Use SJT cords in dry or damp environments.

				Cord
Wire Gauge	Current, A	Voltage	Lg., ft.	OD	Insulation Material	Industry Designation	Temp. Range, °F	Specifications Met	Color		Each
NEMA 6-20 Plug × IEC C19 Socket
12	20	250V AC	8	0.45"	PVC Plastic	SJT	-40° to 140°	UL Listed, C-UL Listed, IEC 60320	Black	00000000	000000

About Industry Designation for Cable Insulation

About Extension Cords

About Hazardous Location Environmental Ratings

Light Duty Extension Cords

Abrasion-Resistant Extension Cords for Harsh Environments

Extension Cords for Hazardous Locations

GFCI Extension Cords

Extension Cord Adapters

Electronic Equipment Power Cords