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27 Cards in this Set
- Front
- Back
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The PEC 2017 edition is approved by board resolution No. ____ a. 20 b. 18 c. 16 d. 14 |
b. 18 |
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In the preparation of Philippine Electrical Code (PEC) 2009 part 1, the National Electrical Code (NEC) ____ was used as the main reference. a. 2002 b. 2005 c. 2008 d. 2011 |
b. 2005 |
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___ are used to provide explanatory material, references to other sections, precautions to be observed, and further mandatory requirements. a. mandatory rules b. exceptions c. fine print notes d. listings |
c. fine print notes |
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For hermetic motor, what rule is the disconnecting means is 115% of the full load current?
a. Manufacture's rule b. Installation rule c. Wiring Design rule d. Construction rule |
c. Wiring Design rule |
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Vehicle washing areas are considered as ___ location
a. dry b. moist c. wet d. damp |
c. wet |
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Which is NOT the basic rule of PEC 2009?
a. Manufacture's rule b. Installation rule c. Wiring Design rule d. Construction rule |
d. Construction's rule |
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What is the minimum size of grounding electrode copper conductor? a. 3.5 sq. mm b. 8.0 sq. mm c. 5.5 sq. mm d. 14 sq. mm |
b. 8.0 sq. mm |
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What is the maximum number of conductors permitted in a wireway at any cross-section signal circuit or starter-control wires are not included? a. 30 b. 40 c. 50 d. 100 |
a. 30 |
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Where multiple rod, pipe or plate electrodes are installed to meet the requirement of PEC, they shall not ve less than ____ mm apart a. 1,900 b. 1,800 c. 1,500 d. 2,000 |
b. 1,800 |
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The PEC has assigned the color ____ to the high-lwg of a 4-wire delta connected secondary. a. black b. green c. orange d. red with green tracer |
c. orange |
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What is the advantage of PVC over Polyethylene? a. moisture resistance b. temperature resistant c. flame retardant d. weather resistant |
c. flame retardant |
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What is the maximum number of disconnect for service mains given by PEC? a. there is no limit b. 8 c. 6 d. not specified by PEC |
c. 6 |
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As a general rule for conductors in parallel, aluminum, copper clad aluminum or copper conductors of size ___mm^2 and larger, comprising each phase, neutral or grounded circuit conductor, shall be permitted to be connected in parallel (electrically joined at both ends to fprm a single conductor) a. 20 b. 30 c. 40 d. 50 |
d. 50 |
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What is the required volt-amp for lighting of an office building with 500 sq. mts area? a. 16,500 b. 14,000 c. 23,500 d. 50,000 |
b. 14,000 |
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What is the branch circuit demand for two-14 kW range in a residence of 1 phase, 230 Volt? a. 19.8kW b. 14.4kW c. 12.1kW d. 28kW |
c. 12.1kW |
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Calculate total load for a 1-phase, 230 Volt branch corcuit supplying two 3-kW and two-4kW wall-mounted oven. a. 60.9 Amp b. 48.7 Amp c. 42.2 Amp d. 34.4 Amp |
c. 42.2 Amp |
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What is the neutral load for a 1 phase system having 150 Amp of electric-discharge lighting and 250 Amp of incandescent lighting? a. 325 Amp b. 280 Amp c. 385 Amp d. 400 Amp |
c. 385 Amp |
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What is the minimum ampacity of feeders with motor and other load connected, a. 250% motor FL current plus other current b. 125% motor FL current plus other current c. 125% total current d. 250% total current |
b. 125% motor FL current plus other current |
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A hermetic motor compressor has 25 Amp full load current. What is the rating of disconnecting means? a. 31.25 Amp b. 31.75 Amp c. 28.75 Amp d. 25 Amp |
c. 28.75 Amp |
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A generator has a nameplate rating of 30 Amp, what is the minimum ampacity pf conductor from generator terminals to the first overcurrent device? a. 30 Amp b. 37.5 Amp c. 34.5 Amp d. 60 Amp |
c. 34.5 Amp |
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The ampacity of capacitor circuit conductors shall not be less than ___ percent of the rated current of the capacitor. a. 135 b. 125 c. 150 d. 167 |
a. 135 |
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On solar photovoltaic system: ampacity of conductors and overcurrwnt devices shall not be less than ___ percent of the computed current. a. 150 b. 100 c. 125 d. 200 |
c. 125 |
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PEC requires that resistance to ground of a single electrode consisting of rod, pipe or plate shall be ___. a. 30 to 50 ohms b. 25 ohms or less c. above 100 ohms d. 50 to 100 ohms |
b. 25 ohms or less |
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What size of grounding conductor required for circuit protected by 30 Amp circuit breaker? a. 2.0 sq mm b. 5.5 sq mm c. 3.5 sq mm d. 8.0 sq mm |
b. 5.5 sq mm |
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What is the minimum size copper bonding jumper for a service raceway containing 100 mm^2 THHN aluminum conductors? a. 50 mm^2 b. 14 mm^2 c. 22 mm^2 d. 30 mm^2 |
c. 22 mm^2 |
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____ is a device intented to open the circuit when it detects the current waveform characteristic that are unique to arcing fault. a. GFCI b. AFCI c. kAIC d. all of these |
b. AFCI |
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The maximum number of overcurrent devices that may be installed in a lighting panel is: a. 24 b. 48 c. 42 d. 36 |
b. 48 |
