CSLB C10 Test 1 | 120 Questions with 100% Correct Answers

When flexibility is not required, AC cable should be stapled or strapped _____________________ fro m a box. 1' A house is approximately 2300 sq ft and has all electric major and minor appliances (e.g., washer, dryer, furnace, and A/C). The ground conductor for the above system is at least: No. 8 Service drops over public streets, sidewalks, and commercial areas subject to truck traffic must have a minimum clearance of from final grade. 18' What is the minimum number of receptacles required at each patient bed location in critical care areas of healthcare facilities? fourteen The instrument that tests the resistance of wire insulation is a(n): Megger 10/20/25, 10:31 AM CSLB C10 Test 1 / 2/1 5 In the figure shown, the symbol between A and B represents a: transformer winding The lead wire on a heating cable is red. This indicates: 240 V The minimum size wire that can be used for a 9kW range is: No. 8 copper What do you fill a conduit with to prevent gas from escaping? sealing compound What is the maximum amperage No. 10 THW can carry? 30 amps When 4, 1.5 volt batteries are wired in a series what is the resulting voltage? 6 volts A 110 W lamp is connected to a 220 V line. What is the resistance? 440 ohms It is unsafe to use a step ladder over _____ in length. 20' 10/20/25, 10:31 AM CSLB C10 Test 1 / 3/1 5 The conductors and equipment connecting the electrical supply system to the wiring system is called the: service In knob-and-tube wiring, the minimum clearance between conductors is: 3" What is the correct color for 120-volt heating cables? yellow Solve for "I" (current) given the information in the transformer drawing. 200 amps If an electrical sub contractor finds a conflict in the plans who should he/she contact? prime contractor _ _ size screws are required for mounting light fixtures. No. 8-32 The demand factor of a fixed electric space heater is 65%. A central air- conditioning unit in the house has a demand factor of 100%. The air- conditioner also acts as a heat pump. What percent should be added to the heating circuit (i.e., space heater)? 100% Portable power tools at a job site require: a GFCI 10/20/25, 10:31 AM CSLB C10 Test 1 / 4/1 5 If a colleague is lying unconscious on a high tension wire, how should you help? grab by any part of dry clothes except shoes An example of inductive dielectric heating is a(n): microwave The greatest difference in potential between any two conductors of a circuit is called: Root Mean Square (RMS) What is the power rating, in kW, of a three-phase transformer that supplies 480 V at 60 A with a power factor of 90%? 45 kW- VA 1.732 (root of 3)/ 1000 Bending conduit is best done with a: field hickey The smallest conductor permitted for general wiring is No _______________ copper or No. _ _ aluminum. 14 ... 12 One mil equals in thickness. 0.001" The safe-distance requirement from overhead electrical lines energized between 600 V and 50,000 V is ____________________ for boom-type lifting and hoisting equipment when not in use. 6'