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
Connector Type
Screw
Current Rating
30 Amps
Manufacturer
GUBCUB
Material
Plastic
Mounting Type
Panel Mount

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

🔥Flame retardant PC material with impact resistance

🔩Dual row screw terminals for secure connections

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Rp257358

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In stock

Sold byAmazon IndonesiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔌 Elevate your electrical game—connect with confidence and style!

PLUG PLAY SIMPLICITY - Easy panel mount design with screw holes for quick, secure installation—cut to size for custom setups.
POWERHOUSE PERFORMANCE - Handles heavy-duty electrical loads effortlessly with a robust 20-30A current rating and up to 450V voltage support.
COMPLETE CONNECTION KIT - Includes 16 thick copper heat shrink wire connectors for strong, corrosion-resistant crimps every time.
SAFETY MEETS DURABILITY - Crafted from flame retardant, impact-resistant PC engineering plastic for peace of mind in every installation.
CLUTTER FREE WIRING MASTERY - Transform chaotic wiring into sleek, manageable circuits with dual row screw terminals that ensure firm, reliable connections.

This 2-pack terminal block kit features dual row screw terminals supporting 4 circuits with a 20-30A current rating and 200-450V voltage capacity. Made from flame retardant, impact-resistant PC material, it ensures safe, durable connections. The kit includes 16 thick copper heat shrink wire connectors for secure crimps and easy panel mounting with screw holes for versatile installation. Ideal for professionals seeking efficient, reliable wiring solutions with a sleek, organized finish.

Specifications

ASIN	B09VT1KHZL
Best Sellers Rank	#3,333 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #1 in Ground Circuit Terminal Blocks
Brand	GUBCUB
Brand Name	GUBCUB
Connector Type	Screw
Current Rating	30 Amps
Customer Reviews	4.6 out of 5 stars 804 Reviews
Manufacturer	GUBCUB
Material	Plastic
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
Voltage	450 Volts

Reviews

A**O

28.12.2025

A**R

28.03.2026

S**2

13.10.2025

A**S

30.10.2024

P**E

20.04.2026

B**B

2.01.2026

I**H

29.04.2026

D**Z

26.03.2026

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