IEC FIRST YEAR (ACTUAL / ) EXAM QUESTIONS
100% VERIFIED CORRECT ANSWERS [LATEST
Home automation controllers that utilize radio frequency (RF) ___ - -- -Answers----can send signals through walls
A disconnecting means (or means of disconnect) for a swimming pool circulation pump must be installed ___ - ---Answers----at least 5' from the inside of the pool, readily accessible, so that it is visible from the pump
When receptacles that provide power for water pump motors or other loads directly related to the circulation and sanitation system are located 6' and 10' from inside walls of the pool, these receptacles are required to meet which of the following conditions? - ---Answers---- They are of the grounding type, they have GFCI protection
what is the minimum number of 125-volt, 15- or 20-ampere convenience receptacles that the NEC requires to be installed near a permanently installed pool locates in you neighbors backyard - --- Answers----one
a 20-amp, 120-volt duplex convenience receptacle near a pool shall be located so that it is ___ feet or more from the inside edge of the swimming pool - ---Answers----6'
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Generally, safety switches and wall switches must be located at least ___ from the inside edge of the swimming pool - ---Answers----5'
When calculating residential service load, ___ is allowed for each branch circuit serving laundry receptacles - ---Answers----1,500 volt- amperes
the minimum size service disconnect for a single-family dwelling with a computed load of kVA is ___ amperes - ---Answers----60
For a 125-amp, 120/240-V, 3W residential service, ____ AWG copper THHN/THWN conductors are the smallest permitted for the underground conductors - ---Answers----2
for purposes of calculating a residential service, the general-purpose lighting load is calculated at ___ per sq. ft. of area - ---Answers----3 volt-amperes
plug fuses can be used on which of the following voltage systems? - -- -Answers----120/208-volt, 1-ph, 3-wire 120/208-volt, 3ø, 4-wire (anything under 150- volts)
the NEC has limitations on where OCPDs, such as panelboard installations, can be installed due to the presence of combustible materials. these are specified at ___ - ---Answers----none
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