--- product_id: 345001737 title: "100 PCS P1 Grey Spring Insert Twist Caps Connection Electrical Wire Connectors Nuts Screw Terminals Assortment (Grey)" brand: "mamfous" price: "€ 13.11" currency: EUR in_stock: true reviews_count: 9 url: https://www.desertcart.at/products/345001737-100-pcs-p1-grey-spring-insert-twist-caps-connection-electrical store_origin: AT region: Austria --- # 300V max voltage safety 221°F max temp rating 100 pcs twist caps for versatile use 100 PCS P1 Grey Spring Insert Twist Caps Connection Electrical Wire Connectors Nuts Screw Terminals Assortment (Grey) **Brand:** mamfous **Price:** € 13.11 **Availability:** ✅ In Stock ## Summary > ⚡ Twist, Connect, Power Up — Stay Wired Like a Pro! ## Quick Answers - **What is this?** 100 PCS P1 Grey Spring Insert Twist Caps Connection Electrical Wire Connectors Nuts Screw Terminals Assortment (Grey) by mamfous - **How much does it cost?** € 13.11 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.at](https://www.desertcart.at/products/345001737-100-pcs-p1-grey-spring-insert-twist-caps-connection-electrical) ## Best For - mamfous enthusiasts ## Why This Product - Trusted mamfous brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Complete Assortment:** 100-piece set with 5 sizes/colors for quick, precise wire matching and hassle-free installation. - • **Heat-Resistant Durability:** Thermoplastic shell withstands up to 221°F for reliable performance in extreme conditions. - • **Secure & Stable Connections:** Inner spring insert ensures wire stability and maximizes electrical safety. - • **Trusted Industrial Standard:** UL certified with copper contacts and nylon insulation for professional-grade reliability. - • **Versatile Application Range:** Perfect for home theater, automotive, ship wiring, and both commercial & residential projects. ## Overview This 100-piece set of P1 Grey Spring Insert Twist Caps offers a UL-certified, heat-resistant (221°F) solution for secure electrical wire connections up to 300 volts. Featuring a tough thermoplastic shell and copper contacts, these connectors provide stable, safe, and versatile use across home, automotive, and commercial wiring projects. ## Description You can find the installation instructions in the picture ## Features - Tough thermoplastic shell shields can against environmental extremes, temperature rated at 221°F (105°C) maximum. - Can be used for home theater, speaker wire, stereo wiring, automobile, ship wiring projects, home wiring projects, commercial or residential applications, etc. - The inner spring insert can keep the wire stable connection, which can guarantee the safety and stability of electricity when connecting and using the wire to the greatest extent.we recommend to twist the conductors first, which will make the connection more reliable and tighter. - 5 colors and sizes of twist nuts caps, 6 kinds of package easy to pick up.Wire caps nuts connectors are for industrial standard,if you are not 100% satisfied for the products,100% money back or just email us for a replacement,we will reply in 24 hours. ## Technical Specifications | Specification | Value | |---------------|-------| | Asin | B08ZXTF9PN | | Best Sellers Rank | #91,830 in Industrial & Scientific (See Top 100 in Industrial & Scientific) #118 in Screw Terminals | | Brand Name | Mamfous | | Color | Grey | | Connector Type | Twist | | Contact Material | Copper | | Customer Reviews | 4.6 4.6 out of 5 stars (389) 4.6 out of 5 stars | | Insulation Material Type | Nylon | | Item Dimensions L X W X H | 0.35"L x 0.35"W x 0.59"H | | Manufacturer | Mamfous | | Material Type | Copper | | Maximum Voltage | 300 volts | | Model | 100 piece | | Part Number | WCaps | | Specification Met | UL | | Temperature Rating | 221 degrees_fahrenheit | | Terminal | Screw Terminal | | Unit Count | 100 Count | | Upc | 717666583692 | ## Product Details - **Color:** Grey - **Connector Type:** Twist - **Contact Material:** Copper - **Insulation Material:** Nylon - **Terminal:** Screw Terminal ## Images ![100 PCS P1 Grey Spring Insert Twist Caps Connection Electrical Wire Connectors Nuts Screw Terminals Assortment (Grey) - Image 1](https://m.media-amazon.com/images/I/71GoR0pz-oL.jpg) ![100 PCS P1 Grey Spring Insert Twist Caps Connection Electrical Wire Connectors Nuts Screw Terminals Assortment (Grey) - Image 2](https://m.media-amazon.com/images/I/71mWly-ELOL.jpg) ![100 PCS P1 Grey Spring Insert Twist Caps Connection Electrical Wire Connectors Nuts Screw Terminals Assortment (Grey) - Image 3](https://m.media-amazon.com/images/I/618MtJwT2ML.jpg) ![100 PCS P1 Grey Spring Insert Twist Caps Connection Electrical Wire Connectors Nuts Screw Terminals Assortment (Grey) - Image 4](https://m.media-amazon.com/images/I/61bp9T+5D8L.jpg) ![100 PCS P1 Grey Spring Insert Twist Caps Connection Electrical Wire Connectors Nuts Screw Terminals Assortment (Grey) - Image 5](https://m.media-amazon.com/images/I/618Lr0L3i3L.jpg) ## Available Options This product comes in different **Color** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ working great *by on Reviewed in the United States January 4, 2026* working great ### ⭐⭐⭐⭐⭐ Ad advertised... *by on Reviewed in the United States July 19, 2026* Great tool for twisting small wires ### ⭐⭐⭐⭐⭐ Good value for the money *by on Reviewed in the United States February 12, 2026* These are good quality wire nut connectors. They lock on and don't slip.It's nice to have a variation of sizes when you are doing electrical repair work. ## Frequently Bought Together - 100 PCS P1 Grey Spring Insert Twist Caps Connection Electrical Wire Connectors Nuts Screw Terminals Assortment (Grey) - HKS 400 PCS Blue Wire Caps - AWG 22-14,Twist-On Screw Nuts Insulated Insertion Electrical Wire Connectors with Spring - Portable & Quick to Connect - 100pcs Winged Wire Nuts Connectors,Yellow 22-10 AWG Easy Twist-on Electrical Screw Wire Caps (P11 Yellow) --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.at/products/345001737-100-pcs-p1-grey-spring-insert-twist-caps-connection-electrical](https://www.desertcart.at/products/345001737-100-pcs-p1-grey-spring-insert-twist-caps-connection-electrical) --- *Product available on Desertcart Austria* *Store origin: AT* *Last updated: 2026-08-18*