The Ridgid 62862 is an electric soldering gun. This soldering gun is a lightweight, rugged electric soldering gun that sweats joints on copper tube up to 3". The RT-175 will operate on a standard 115v, 15 AMP outlet. There is no open flame to worry about igniting wallboard, insulation or studs and joists in the walls. To use, you simply place the carbon tips on the copper fitting and remove when the solder begins to flow. Why do so many professionals choose RIDGID tools? The answer is simple, trust. Millions of RIDGID tools go to work every day in plants, on construction sites and in countless other harsh environments. One of the design parameters for developing RIDGID tools is efficient operation. We engineer ease-of-use into every product. And, we include innovative features to ensure that our tools and machines get jobs done as quickly as possible without compromising quality.