What is the minimum working clearance from an electrical panel under 600 V? - 36"
Voltage drop in wire is a function of: - Wire gauge, Length of wire, Current flow in the
wire
A 12-volt direct current, 13-watt fluorescent light is controlled by a photocell. The
average daily on-time is 12 hours...
cslb c10 test 1 | 120 questions with 100 correct answers
Geschreven voor
Liberty University
CSLB C10
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CSLB C10 Test 1 What is the minimum working clearance from an electrical panel under 600 V? - ✔✔36" Voltage drop in wire is a function of: - ✔✔Wire gauge, Length of wire, Current flow in the wire A 12-volt direct current, 13 -watt fluorescent light is controlled by a photocell. The average daily on -time is 12 hours per day. How many watt -hours are consumed by the light on an average day? - ✔✔156 Where may you use nonmetallic -sheathed cable? - ✔✔inside floors and walls What is the maximum permitted distance between convenience outlets in kitchens? - ✔✔12' The minimum permitted size fixture wire is: - ✔✔No. 18 What is an Erickson coupling used for? - ✔✔to connect two sections of rigid conduit when one section cannot be turned The smallest size grounding conductor permitted for service entrance is: - ✔✔No. 8 copper For an electric appliance with a 17.5 A load, the overcurrent device must not exceed: - ✔✔25 amps A 5 kW appliance is used for 5 hours . At $0.014 per kWh, the cost of running the appliance is: - ✔✔$0.35 If the plumber accidentally cuts installed wires, to whom should you report the problem? - ✔✔general contractor What is the maximum distance to an outlet from any point along the wall b ehind a kitchen counter? - ✔✔24" Which of the following materials is not corrosive? - ✔✔enamel 65 street lights are fed by a 2275 -volt series circuit. What is the voltage across each light? - ✔✔35 V What do you not take into consideration when doing load demand calculations? - ✔✔small portable heating and cooling appliances The symbol represents a: - ✔✔relay coil A fixture that weighs more than ______ must be supported independently of an outlet box. - ✔✔50 lb. After installing a new A/C how would you test it? - ✔✔turn on the breaker and check voltage The symptoms of shock are: - ✔✔pale skin; sweaty; fast pulse Of the following subtrades, which one must yield in the case of a dispute? - ✔✔concrete The following should not be used on a live circuit: - ✔✔ohmmeter Which of the following applies to solar panels, metal frames, and metal mounting equipment on a roof -mounted PV system? - ✔✔They must be bonded and grounded. With what should you treat a burn at a jobsite? - ✔✔loose bandage only What type of insulation is needed underground? - ✔✔THW One million watts equal one: - ✔✔megawatt The maximum voltage for a plug fuse is - ✔✔125 V What is a troffer fixture? - ✔✔A recessed lighting fixture in a suspended ceiling system When flexibility is not required, AC cable should be stapled or strapped _____ from 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 area s 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
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