IEC LESSON 108 HW QUESTIONS WITH VERIFIED SOLUTIONS

IEC LESSON 108 HW QUESTIONS WITH VERIFIED SOLUTIONS ___ can prevent scaffolding accidents Good housekeeping and safe procedures ___ may be used to raise worker height on a scaffold. nothing According to NEC® Section 240.4(B), if the ampacity of a conductor does not match up with a standard fuse rating, what are you allowed to do? Use the next higher standard rating According to the NEC® at 210.50(C), a receptacle outlet for a washing machine must be installed within ___ feet of where the machine is to be installed in a house. 6 After ___, OSHA required that a lanyard system or guardrails be used to protect workers erecting and dismantling scaffolds, unless a competent person decides safe work practices can protect workers. September 2, 1997 Branch circuits are rated according to ___. the ampere rating of the overcurrent device Branch circuits that serve a ___ are required to be rated at 20 amperes where installed in a house. bathroom, kitchen, or laundry room Dissimilar metals and other manufacturer's scaffold parts and materials can't be intermixed unless ___ determines that it is safe to do so. a competent person For a single-family dwelling with a total of 3500 square feet of occupied area, the minimum number of 15-ampere lighting branch circuits is ___. 6 Generally receptacles are not mounted below the edge of kitchen countertops because it might create a hazard. For example, a child might pull on an appliance cord plugged into a below-the- countertop receptacle and pull a hot appliance, like a coffeepot or electric frying pan, over on himself. True Generally, scaffold planking must be at least ___ inches wide. 18 How many 20-amp small-appliance branch circuits are required by the NEC® to supply power to countertops in commercial restaurant kitchens? none are required How often should scaffolds be inspected? each day before using Ignoring the effects of voltage drop, a 20-ampere branch