Is this for copper wire only?,or will they work for aluminum wire?..I have seen them used for just sprinkler systems.

yes they will work for aluminum wire also

The rated voltage is 600v. can i assume it is safe to use in 240vac wiring system?

Yes, 600v is a maximum, so lesser voltages would meet the specification.

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Ideal Electrical 30-074J Wire-Nut Wire Connector (175 Jar), Yellow

Ideal Electrical 30-074J Wire-Nut Wire Connector (175 Jar), Yellow

Product ID: 45274092

Details

Color
Yellow
Gauge
12.0
Connector Type
Twist
Contact Material
Copper
Insulation Material
Polypropylene

⚡600V max rating

🔥UL 94V-2 flame-retardant shell

🔧No pre-twisting needed

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Description

⚡ Connect with confidence—wire nuts that work as hard as you do!

SAFETY FIRST - UL 94V-2 flame-retardant shell rated to 221°F keeps your connections safe and code-compliant.
BUILT TO LAST - Fixed square-wire springs maintain a secure grip that won’t relax over time.
TRUSTED LEGACY - Ideal’s 60+ years of quality craftsmanship ensures reliability every time.
VERSATILE CAPACITY - Handles 2x #18 AWG up to 4x #14 AWG wires—perfect for a wide range of projects.
EFFORTLESS INSTALLATION - Positive-grip design means no pre-twisting—save time on every job.

The Ideal Electrical 30-074J Wire-Nut Wire Connector (175 Jar) offers a professional-grade, positive-grip design that eliminates pre-twisting for faster installations. Rated for up to 600 volts and featuring a UL 94V-2 flame-retardant shell, it ensures safety and durability. Its fixed square-wire springs create a secure, lasting connection compatible with multiple wire gauges, making it a trusted choice for electricians and DIY pros alike.

Specifications

ASIN	B000LDO22I
Best Sellers Rank	#110,786 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #540 in Electrical Wire
Date First Available	October 26, 2005
Item Weight	14.6 ounces
Item model number	30-074J
Manufacturer	IDEAL INDUSTRIES
Product Dimensions	6.2 x 4 x 2.5 inches

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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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€ 47.21

Duties & taxes included

In stock

Sold byAmazon NetherlandsDelivered 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 Netherlands.

Secure transaction

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