does every screw head has the same power (all + or all -)?

The two terminals on the strip of metal across from each other, simply provide a connection point on each side to join two conductors together. If you want all of them to be the same, you have to join each pair together with the wire down one sad

What tool do I need to crimp the lugs to 18 awg solid wire?

There's all types you can use. i use the "TITAN 11477 Ratcheting Wire Terminal Crimper Tool for Insulated Terminals, Fixed Jaw Crimper. They have them on Amazon. I also use Klein Tools 2005N Wire Cutter, Stripper, Crimper Tool, Strips 10-18 AWG Stranded, Crimps 10-22 AWG Terminals, with Shear Cutter. I even do a combination of both. Both products are on Amazon

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Terminal Block,2 Pack 4 Circuits 20-30A 200v-450v Dual Row Screw Terminals Strip +16 PCS Heat Shrink Wire Connectors

Product ID: 482764334

Details

Brand
GUBCUB
Color
Black
Connector Type
Screw
Current Rating
30 Amps
Material
Plastic
Mounting Type
Panel Mount

⚡Supports 20-30A current at 200-450V voltage

🔥Flame retardant, impact-resistant PC material

🔩Dual row screw terminals for secure connections

54 zł

Duties & taxes included

In stock

Sold byAmazon PolandDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Poland.

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Description

🔌 Connect with confidence — power up your projects like a pro!

CLUTTER FREE WIRING - Streamline your setup with dual row screw terminals that keep connections neat and accessible.
POWERFUL PERFORMANCE - Handles up to 30A and 450V, perfect for demanding industrial and professional applications.
HEAVY DUTY RELIABILITY - Built from flame-retardant, impact-resistant materials to ensure safety and durability under load.
COMPLETE CONNECTION KIT - Includes 16 thick copper heat shrink wire connectors for secure, corrosion-resistant crimps every time.
EFFORTLESS INSTALLATION - Mount easily with dual screw holes and customize length by cutting the strip to fit your exact needs.

This 2-pack terminal block kit features dual row screw terminals rated for 20-30A and 200-450V, crafted from flame-retardant PC material for enhanced safety. Designed for easy installation and maintenance, it includes 16 premium heat shrink wire connectors to ensure secure, durable wiring connections ideal for professional and industrial use.

Specifications

ASIN	B09VT1KHZL
Best Sellers Rank	#3,723 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #2 in Ground Circuit Terminal Blocks
Brand Name	GUBCUB
Color	Black
Connector Type	Screw
Current Rating	30 Amps
Customer Reviews	4.6 4.6 out of 5 stars (859)
Manufacturer	GUBCUB
Material Type	Plastic
Model	GUB-4-20
Mounting Type	Panel Mount
Number Of Contacts	8
Number Of Poles	4
Number of Positions	4
Part Number	GUB-4-20
Specification Met	IEC, UL
UPC	768530111640
Unit Count	2.0 Count
Voltage	450 Volts

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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54 zł

Duties & taxes included

In stock

Sold byAmazon PolandDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Poland.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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Best international shipping I've ever tried. Worth every penny!

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