STW Cable | McMaster-Carr

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	NEMA Style NEMA Style

	Number of Blades Number of Blades

	3		4

	Number of Slots Number of Slots

	3		4

	Connection Type Connection Type


Straight Blade	Turn Lock

	Current Current

	Voltage Voltage

125V AC

250V AC

	End Type End Type


Plug	Socket

	Length Length

	Wire Gauge Wire Gauge

	Number of Outlets Number of Outlets

	End Shape End Shape

	Straight

	Color Color

	Black
	Orange
	Yellow

	Gender Gender

Male

Female

	Industry Designation Industry Designation	Show

STW

	Industry Designation Industry Designation	Hide

	RoHS (Restriction of Hazardous Substances) RoHS (Restriction of Hazardous Substances)

RoHS Compliant

	Power-Indicating Light Power-Indicating Light

Without Power-Indicating
Light

With Power-Indicating Light

	Cord OD Cord OD

	Flexibility Flexibility

	Flexible

	Application Application

Power

	Cord Insulation Material Cord Insulation Material

PVC Plastic

Rubber

	For Use Outdoors For Use Outdoors

Yes

	Maximum Temperature Maximum Temperature

Less than 250° F

	Minimum Temperature Minimum Temperature

-49° to 0° F

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34 Products

About Industry Designation for Cable Insulation

About Extension Cords

NEMA 5-15 Plug

NEMA 5-15 Socket

Thick insulation protects the internal wires of these cords so they can be used in high-traffic areas and over rough surfaces. The industry designation is STW, so the insulation resists water.

				Cord
Wire Gauge	Current, A	Voltage	Power-Indicating Light	OD	Insulation Material	Industry Designation	Specifications Met	Color		Each
NEMA 5-15 Plug × NEMA 5-15 Socket
25 ft.
14	15	125V AC	Without Power-Indicating Light	0.5"	PVC Plastic	STW	UL Listed	Orange	0000000	000000
12	15	125V AC	Without Power-Indicating Light	0.56"	PVC Plastic	STW	UL Listed	Orange	0000000	00000
50 ft.
14	15	125V AC	Without Power-Indicating Light	0.5"	PVC Plastic	STW	UL Listed	Orange	0000000	00000
12	15	125V AC	Without Power-Indicating Light	0.56"	PVC Plastic	STW	UL Listed	Orange	0000000	000000
100 ft.
14	13	125V AC	Without Power-Indicating Light	0.5"	PVC Plastic	STW	UL Listed	Orange	0000000	000000
12	15	125V AC	Without Power-Indicating Light	0.56"	PVC Plastic	STW	UL Listed	Orange	0000000	000000

Extension Cords with Inline Outlets

With Three Outlets

With Six Outlets

NEMA 5-15 Plug

NEMA 5-15 Socket

In addition to an outlet on the end, these cords have multiple inline outlets. Each outlet has a power indicating light that illuminates when the cord has power. The industry designation is STW, so the insulation resists water.

						Cord
Lg., ft.	No. of Outlets	Wire Gauge	Current, A	Voltage	Power-Indicating Light	OD	Insulation Material	Industry Designation	Specifications Met	Color		Each
NEMA 5-15 Plug × NEMA 5-15 Socket
25	3	14	15	125V AC	With Power-Indicating Light	0.5"	PVC Plastic	STW	UL Listed, C-UL Listed	Yellow	0000000	000000
50	6	12	15	125V AC	With Power-Indicating Light	0.63"	PVC Plastic	STW	UL Listed, C-UL Listed	Black	0000000	000000

Abrasion-Resistant Turn-Lock Extension Cords

NEMA L5-20 Plug

NEMA L5-20 Socket

NEMA L5-30 Plug

NEMA L5-30 Socket

NEMA L14-20 Plug

NEMA L14-20 Socket

NEMA L14-30 Plug

NEMA L14-30 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 L5-20 Plug × NEMA L5-20 Socket
25	10	20	125V AC	Without Power-Indicating Light	0.63"	PVC Plastic	STW	__	Yellow	0000000	000000
50	10	20	125V AC	Without Power-Indicating Light	0.63"	PVC Plastic	STW	__	Yellow	0000000	000000
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	00000
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 L14-20 Plug × NEMA L14-20 Socket
25	10	20	125V AC/250V AC	Without Power-Indicating Light	0.69"	PVC Plastic	STW	UL Listed	Yellow	0000000	000000
50	10	20	125V AC/250V AC	Without Power-Indicating Light	0.69"	PVC Plastic	STW	UL Listed	Yellow	0000000	000000
NEMA L14-30 Plug × NEMA L14-30 Socket
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

Extension Cord Adapters

NEMA 5-15 Plug × NEMA 5-20 Socket

NEMA 5-15 Plug × NEMA L5-20 Socket

NEMA 5-15 Plug × NEMA L5-30 Socket

NEMA L5-20 Plug × NEMA 5-15 Socket

NEMA L5-30 Plug × NEMA L14-30 Socket

NEMA L14-20 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 5-15 Plug

NEMA 5-20 Socket

NEMA L5-20 Socket

NEMA L5-30 Socket

NEMA 5-15 Socket

NEMA L5-20 Plug

NEMA L5-30 Plug

NEMA L14-30 Socket

NEMA L6-30 Socket

NEMA L14-20 Plug

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.

Adapters with a power-indicating light have a light on the socket that illuminates when the adapter has power.

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

					Cord
Lg.	Wire Gauge	Current, A	Voltage	Power-Indicating Light	OD	Insulation Material	Industry Designation	Specifications Met	Color		Each
NEMA 5-15 Plug × NEMA 5-20 Socket
1 ft.	12	15	125V AC	Without Power-Indicating Light	0.61"	PVC Plastic	STW	UL Listed, C-UL Listed	Black	0000000	000000
NEMA 5-15 Plug × NEMA L5-20 Socket
9"	12	15	125V AC	Without Power-Indicating Light	0.56"	Rubber	STW	UL Listed	Yellow	0000000	00000
1 ft.	12	15	125V AC	Without Power-Indicating Light	0.61"	PVC Plastic	STW	UL Listed, C-UL Listed	Yellow	0000000	00000
NEMA 5-15 Plug × NEMA L5-30 Socket
1 ft.	10	15	125V AC	Without Power-Indicating Light	0.69"	PVC Plastic	STW	UL Listed, C-UL Listed	Yellow	0000000	00000
NEMA L5-20 Plug × NEMA 5-15 Socket
9"	12	15	125V AC	Without Power-Indicating Light	0.56"	Rubber	STW	UL Listed	Yellow	0000000	00000
1 ft.	10	20	125V AC	With Power-Indicating Light	0.67"	PVC Plastic	STW	UL Listed, C-UL Listed	Yellow	0000000	00000
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	00000
NEMA L14-20 Plug × NEMA L14-30 Socket
1 1/2 ft.	10	20	125V AC/250V AC	Without Power-Indicating Light	0.69"	PVC Plastic	STW	UL Listed, C-UL Listed	Yellow	0000000	00000
NEMA L14-30 Plug × NEMA 6-20 Socket
1 1/2 ft.	10	30	125V AC/250V 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/250V 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/250V 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/250V 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.

STW splitters have a water-resistant insulation.

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

Two-Outlet Splitters

With Two Outlets

NEMA 5-15 Plug

NEMA 5-15 Socket

NEMA L5-20 Plug

NEMA L5-20 Socket

					Cord
Lg., ft.	Wire Ga.	Current, A	Voltage	Power-Indicating Light	OD	Insulation Material	Industry Designation	Specifications Met	Color		Each
NEMA 5-15 Plug × NEMA 5-15 Socket
2	12	15	125V AC	Without Power-Indicating Light	0.56"	Rubber	STW	UL Listed	Yellow	0000000	000000
NEMA L5-20 Plug × NEMA L5-20 Socket
1 1/2	12	20	125V AC	Without Power-Indicating Light	0.56"	Rubber	STW	UL Listed	Yellow	0000000	00000

Three-Outlet Splitters

With Three Outlets

NEMA 5-15 Plug

NEMA 5-15 Socket

NEMA L5-20 Plug

NEMA L5-20 Socket

					Cord
Lg., ft.	Wire Ga.	Current, A	Voltage	Power-Indicating Light	OD	Insulation Material	Industry Designation	Specifications Met	Color		Each
NEMA 5-15 Plug × NEMA 5-15 Socket
2	12	15	125V AC	Without Power-Indicating Light	0.56"	Rubber	STW	UL Listed	Yellow	0000000	000000
NEMA L5-20 Plug × NEMA L5-20 Socket
1 1/2	12	20	125V AC	Without Power-Indicating Light	0.56"	Rubber	STW	UL Listed	Yellow	0000000	00000

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About Industry Designation for Cable Insulation

About Extension Cords

Abrasion-Resistant Extension Cords

Extension Cords with Inline Outlets

Abrasion-Resistant Turn-Lock Extension Cords

Extension Cord Adapters

Extension Cord Splitters