WorksheetsReview PEEEEC Part 7
Total questions: 21
Worksheet time: 14mins
FCC cable can have individual branch circuits with a rating not exceeding _____ amperes.
15
30
20
25
The ampacity of a single 5.5 mm^2 fixture wire is _____ amps.
28
23
17
8
The ampacity of a single 2.0 mm^2 fixture wire is _____ amps.
17
23
8
6
Panelboards equipped with snap switches rated at 30 amps or less, shall have overcurrent protection not in excess of _____ amps.
200
150
300
100
AC-DC general use snap switches may be used for control of inductive loads not exceeding _____ of the rating at the voltage.
50%
80%
100%
70%
Generators operating at _____ volts or less and driven by individual motors shall be considered as protected by the overcurrent device protecting the motor if these devices will operate when the generators are delivering not more than 150% of their full load rated current.
65
70
75
85
A dry type transformer not rated over 112 ½ kva installed indoors, shall have a separation of at least _____ from combustible material.
300 mm
450 mm
150 mm
600 mm
Capacitors containing more than (a) gallons of flammable liquid shall be enclosed in vaults or outdoor fenced enclosures.
The ampacity of a single 1.25 mm^2 fixture wire is _____ amps.
8
6
17
23
The ampacity of a single 3.5 mm^2 fixture wire is _____ amps.
8
6
17
23
Infrared lamps for industrial heating appliances shall have overcurrent protection not exceeding _____ amps.
50
60
40
30
Equipment for installation in hazardous locations must be tested and approved for use according to the classification of the hazards involved. These are divided into ___ groups.
3
4
7
6
Resistors and reactors for use over 600 volts shall not be installed in close enough proximity to combustible materials to constitute a fire hazard and shall have a clearance of not less than _____ from combustible materials.
300 mm
600 mm
150 mm
450 mm
Fixture wire shall not be smaller than
0.75 mm^2
1.25 mm^2
2.0 mm^2
3.5 mm^2
Each transformer shall be provided with a nameplate giving the name of the manufacturer; rated kv; frequency; primary and secondary voltage; impedance of transformers _____ kva and larger.
50
25
33
112 1/2
The residual voltage of a capacitor shall be reduced to (a) volts, nominal or less with 1 minute after the capacitor is disconnected from the source of supply.
_____ locations are those that are hazardous because of the presence of easily ignitable fibers or flyings.
Class I
Class II
Class III
Non-heating leads of heating cables operating in 240v systems shall have a (a) color.
Non-heating leads of heating cables operating in 480v systems shall have a (a) color.
Non-heating leads of heating cables operating in 277v systems shall have a (a) color.
Non-heating leads of heating cables operating in 120v systems shall have a (a) color.
