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

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 A
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

€ 12.31

Duties & taxes included

In stock

Sold byAmazon SpainDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔌 Elevate Your Electrical Game — Connect Like a Pro, Stay Ahead of the Pack!

PLUG PLAY SIMPLICITY - Easy installation with mounting holes and customizable strip length lets you tailor your setup without hassle—perfect for fast-paced project environments.
POWERHOUSE PERFORMANCE - Handles heavy-duty electrical loads effortlessly with a robust 20-30A current rating and up to 450V voltage support—built for professionals who demand reliability.
COMPLETE CONNECTION KIT - Includes 16 thick copper heat shrink wire connectors for secure crimps every time—because your wiring deserves premium treatment.
SAFETY MEETS DURABILITY - Crafted from flame-retardant, impact-resistant PC engineering plastic, this terminal block keeps your workspace safe and your connections intact.
CLUTTER FREE WIRING MASTERY - Transform chaotic wiring into sleek, manageable circuits with dual row screw terminals that ensure firm, reliable connections.

This 2-pack dual row terminal block kit features 4 circuits rated for 20-30A and 200-450V, constructed from flame-retardant PC material for enhanced safety and durability. Designed with screw terminals for secure, easy wiring management, it includes 16 premium heat shrink copper wire connectors for reliable crimps. Ideal for professionals seeking efficient, safe, and tidy electrical connections with quick installation and flexible mounting options.

Specifications

ASIN	B09VT1KHZL
Best Sellers Rank	#4,117 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 A
Customer Reviews	4.6 4.6 out of 5 stars (881)
Manufacturer	GUBCUB
Material Type	Plastic
Model	GUB-4-20
Mounting Type	Panel Mount
Number Of Contacts	8
Number Of Poles	4
Number of Items	1
Number of Positions	4
Part Number	GUB-4-20
Specification Met	IEC, UL
UPC	768530111640
Unit Count	2 Count
Voltage	450 volts

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