Voltage required for butt welding is All Questions › Category: Basic Electrical › Voltage required for butt welding is 0 Vote Up Vote Down Rajasri Mundrathi Staff asked 3 years ago Options: a) 2 to 8 Vb) 8 to 15 Vc) 15 to 22 Vd) 22 to 30 V 1 Answers 0 Vote Up Vote Down Rajasri Mundrathi Staff answered 3 years ago The correct answer is 2 to 8 V