Power, Line Cables and Extension Cords

Image	Part Number	Description / PDF	Quantity	Rfq
	1301430316 Woodhead - Molex	2875 W/50 10-4SO 2975	0
	1301540059 Woodhead - Molex	MOLDED W-SPLICE 3' 12-3 GFCI (1)	0
	1301430156 Woodhead - Molex	14W48 W/100 14-3SO 15W48	0
	1301430288 Woodhead - Molex	5266 W/50 FT 14-3 SOW 5269	0
	1301430387 Woodhead - Molex	2847 W/50' #10-3 SOOW 2947	0
	1301430380 Woodhead - Molex	2676 W/50' #12-4 SOOW 2776 NEMA	0
	1301430245 Woodhead - Molex	26W76 W25FT 12-4SO 27W76	0
	1301430173 Woodhead - Molex	2447 WITH 25FT 14-3-SO 2547	0
	1301540090 Woodhead - Molex	MOLDED W-SPLICE 12-3 BLK CORD 1.	0
	1301430356 Woodhead - Molex	28W74 W/3FT. #12-4 YELLOW CABLE	0
	1301430278 Woodhead - Molex	28W76 W/25 10-4SO 29W76	0
	1301430339 Woodhead - Molex	28W76 W/50' 10-4SO 29W76	0
	1301430394 Woodhead - Molex	CORDSET #12-3 15W33, 5648M, 3500	0
	1301430270 Woodhead - Molex	28W74 W/25' 10-4 SOW 29W74 NEMAL	0
	1301430342 Woodhead - Molex	28W48 W/25 12-3SO 29W48	0
	1301430237 Woodhead - Molex	26W74 W/25 14-4SO 27W74	0
	1301430323 Woodhead - Molex	1433 W/30'12-3SOW & 1533	0
	1301430252 Woodhead - Molex	2847 W/25 12-3SO 2947	0
	1301540071 Woodhead - Molex	MOLDED Y-SPLICE 3' 12-3 GFCI (1)	0
	1301430210 Woodhead - Molex	2647 1FT 12-3 SJ0W 2747 NEMAL5-2	0

Power, Line Cables and Extension Cords

1. Overview

Cable assemblies, power line cables, and extension cords are critical components for transmitting electrical power and signals across devices and systems. These products ensure safe, reliable connectivity in residential, commercial, and industrial applications. Their importance has grown with advancements in electronics, automation, and renewable energy systems, enabling efficient power distribution and data communication in modern infrastructure.

2. Main Types and Functional Classification

Type	Functional Characteristics	Application Examples
Power Line Cables	Fixed wiring for permanent installations, designed for high durability and compliance with electrical codes	Building electrical systems, industrial machinery, HVAC systems
Extension Cords	Flexible, portable cables with multiple outlets for temporary power access	Construction sites, outdoor equipment, home appliances
Pre-assembled Cable Assemblies	Custom-designed cables with connectors, shielding, and insulation tailored to specific applications	Medical devices, aerospace systems, data servers
Industrial Cable Assemblies	Heavy-duty cables resistant to abrasion, chemicals, and extreme temperatures	Factories, robotics, oil & gas operations

3. Structure and Components

A typical power cable assembly consists of:

Conductor: Copper or aluminum strands for electrical conductivity
Insulation: Thermoplastic or rubber layers to prevent leakage (e.g., PVC, XLPE)
Shielding: Braided copper or foil to reduce electromagnetic interference (EMI)
Jacket: Durable outer layer for mechanical protection (e.g., LSZH for low smoke emission)
Connectors: IEC, NEMA, or specialized interfaces (e.g., USB, HDMI for signal cables)

4. Key Technical Specifications

Parameter	Description	Importance
Conductor Size (AWG/mm )	Determines current-carrying capacity	Prevents overheating and voltage drop
Voltage Rating	Maximum operating voltage (e.g., 300V, 600V)	Ensures safe operation under electrical stress
Temperature Range	Operating limits (-40 C to +105 C)	Maintains performance in extreme environments
Current Capacity (Amps)	Depends on conductor cross-section and insulation	Prevents fire hazards and equipment damage
Shielding Effectiveness	Reduction of EMI/RFI interference (e.g., 60dB-100dB)	Ensures signal integrity in sensitive electronics
Flame Resistance	Compliance with standards like UL 94 or IEC 60332	Enhances safety in fire-prone environments

5. Application Fields

Key industries and equipment include:

Industrial Manufacturing: CNC machines, conveyor systems
Healthcare: MRI scanners, patient monitoring systems
Consumer Electronics: PCs, printers, home theaters
Renewable Energy: Solar inverters, wind turbine controllers
Data Centers: Server racks, UPS systems

6. Leading Manufacturers and Products

Manufacturer	Country	Representative Product
Belden Inc.	USA	Industrial Ethernet cables with Cat 6A shielding
L-com Global Connectivity	USA	Fiber optic cable assemblies for 10G networks
Belkin International	USA	Surge-protected extension cords with USB ports
Yazaki Corporation	Japan	Automotive power cable harnesses

7. Selection Guidelines

Key factors to consider:

Environmental Conditions: Temperature, moisture, exposure to chemicals or UV light
Electrical Requirements: Voltage, current, frequency
Mechanical Stress: Flexibility needs, bending radius, abrasion resistance
Regulatory Compliance: Certifications like UL, CE, RoHS
Cost vs. Longevity: Premium materials (e.g., silver-plated conductors) for critical applications

Example: For outdoor construction equipment, select a 14 AWG SJTW extension cord with UV-resistant PVC jacket and 600V rating.

8. Industry Trends

Emerging trends include:

Adoption of halogen-free, recyclable materials for environmental compliance
Integration of smart cables with built-in sensors for real-time monitoring
Development of high-frequency cable assemblies for 5G and IoT applications
Standardization of universal connectors (e.g., USB-C for power and data)
Increased demand for modular cable systems in data centers