Junction Box manufactures Voltage: 250V Current: 60A 鈥?U 鈥?brass part available Voltage: 250V Current: 80A Voltage: 250V Current: 100A 鈥?L 鈥?brass part available Description: Product color: black, built-in copper block yellow (mostly U-shaped and L-shaped). The product is fastened and fixed by the upper screw, which is convenient for disassembly. There are multiple screws in the built-in copper block. When the copper wire is put in, tighten the screws to fix it. Company information: Our company will devote in providing the high -grade product,sincerer service, the most dependable promise for the majority of customers. Dimensions: External junction box Used to connect copper wire, not waterproof.Junction Box manufactures website:http://www.cnsyu.com/junction-box/