are there shorting bars for these things?

Depends on what you mean by shorting bars?

For anyone who has secured the terminal strip to a surface, what size/length of fastener did you use?

You can use #4 3/4 inch screws.

Will these work w fat 12 AWG stranded wire for 12v outdoor lighting, or is this only for smaller wire?

No. The largest wire this will take is 14A. 12Ga wire is 3+mm, this is 2.5mm. Of course with stranded you could always over twist or cut a few strands of to jam it in. I wouldn’t recommend it. The other issue is these are rated for 10a. If you are using 12ga wire near capacity you could melt them. And finally, out-door means corrosion is an issue. I would suggest an automotive or wet/damp rated block instead of these. I use these successfully for a dry location outdoor block for sprinkler valves. After a few years I throw them away and replace because they corrode and don’t loosen any more.

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Weewooday 20 Pieces Terminal Strip 12-Position Dual Row Wire Block

Weewooday 20 Pieces Terminal Strip 12-Position Dual Row Wire Block

Product ID: 311235140

Details

Brand
Weewooday
Color
white
Connector Type
Screw
Current Rating
10 A
Material
Copper
Mounting Type
Panel Mount

⚡10A current & 380V voltage rating for reliable power

🔥Flame-retardant PP shell withstands -40°C to 150°C

🔩Dual row 12-position screw terminals for secure wiring

R523

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Sold byAmazon South AfricaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔧 Connect with confidence — power your projects like a pro!

FIREPROOF DURABLE - Flame-retardant, corrosion-resistant shell ensures safety and longevity under extreme conditions.
EFFORTLESS INSTALLATION - No welding needed—just strip, insert, and tighten screws for a hassle-free setup.
POWER READY PERFORMANCE - Rated for 10A and 380V, perfect for demanding home and industrial electrical projects.
CUSTOMIZABLE VERSATILE - Easily cut to size for tailored wiring solutions across lighting, appliances, and control systems.
SAFE SECURE CONNECTIONS - Reliable wire contact prevents accidental shorts, giving you peace of mind in every circuit.

The Weewooday 20 Pieces Terminal Strip features 12-position dual row screw connectors with a flame-retardant PP shell rated for 10A and 380V. Designed for easy, welding-free installation, these durable terminal blocks offer corrosion resistance and stable conductivity, making them ideal for home wiring, electrical maintenance, and industrial applications.

Specifications

ASIN	B08V4W637Q
Best Sellers Rank	#19,911 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #28 in Terminal Blocks
Brand Name	Weewooday
Color	white
Connector Type	Screw
Current Rating	10 A
Customer Reviews	4.6 4.6 out of 5 stars (759)
Item Dimensions W x H	7.87"W x 0.59"H
Item Highlight	10A 380V Rated, White Barrier Blocks for Home Wiring, Dual Row Screw Connectors for Circuit Distribution Projects
Manufacturer	Weewooday
Material Type	Copper
Model	Weewooday-13102
Mounting Type	Panel Mount
Number Of Contacts	12
Number Of Poles	12
Number of Items	20
Number of Positions	12
Part Number	Weewooday-13102
Unit Count	20 Count
Upper Temperature Rating	150 °C
Voltage	380 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.

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Reema J.

Perfect platform for hard-to-find items. Delivery was prompt.

1 month ago

Ali H.

Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

1 day ago

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R523

Duties & taxes included

In stock

Sold byAmazon South AfricaDelivered 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 South Africa.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Sneha T.

Received my product in pristine condition. Great service overall.

1 month ago

Ayesha M.

The product exactly matches the description. Very satisfied with my purchase.

5 days ago

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