ICA Module 2 Section 1 Electric Flashcards
Service drip loop must be how many feet above landings, decks, porches?
10 feet
Service drip loop must be how many feet away from porch railing?
3 feet
Service drip loop must be how many feet away from openable windows?
3 feet
Service drip loop must be how many feet away from roads
18 feet
Service drip loop must be how many feet above yard
12 feet
Service drip loop must be how many feet above driveway
12 feet
Service drip loop must be how many feet adjacent areas (walkways, patio, ground)
10 feet
Service drip loop must have ___ clearance on 4.2 or less pitch roof
8 feet
Service drip loop must have __ clearance on 4.2 or greater pitch roof
3 feet
Service drip loop must have __ clearance on swimming pool
22 1/2 feet
Wire coming off service box must be secured __ inches
12 inches
Romex and NM (Non-Metallic) wiring are the same. T/F
True
Watt are the different amp (amperage) (numbers). List 6
60
100
125
150
200
400
Newer homes typically use ___ amps
200 amps
Really big homes use __ amps
400 amps
Romex is used in over 90% of homes in the U.S. & Canada. T/F
True
Since 2001 colors for Romex cable/Gauge are as follows:
White 14g
Yellow 12g
Orange 10g
Black 6&8g
T/F
True
How to secure yellow (12gauge wire on joists)
A. staple on bottom of joists
B. Run through holes in each joist
C. Run on running board of each joist
Run through holes in each joist &
Run on running board of each joist
Romex should be secured every _ feet
4 1/2 feet
Romex within 6 feet of attic hatch must be protected T/F
True
Outer sheathing on Romex cable must go ___ inches in connectors that are inside panel box.
1/4 inch
There should be at least __ inches on each side of stud (2x4) where holes have been drilled for Romex.
1 1/4”
Conduit and EMT (electrical metal tubing) T/F
True
EMT/conduit) can not be buried T/F
True
Armor clad cable is often used with EMT. T/F
True
Boxes & conduits need to be no more than __ % full so wires do not overheat.
50%
Older homes were completely wired with
a. MC (metal clad)
b. AC (armor clad)
Armor Clad
Loose wires are not pulled through Flexible metal conduit (FMC), and can be used in wet areas. T/F
False
What does the abbreviation “ENT” or sometimes called smurf tubing stand for?
Electrical Non-metallic tubing
What is the purpose of grounding? (2)
protect electrical equipment (computers, televisions, etc)
protect people
What are the roles of a neutral and ground wire?
Neutral wire: completes the circuit
Ground wire: emergency wire
What are the metal strips in an electrical panel called?
Bus bars
Branch circuit breaker are all the small breakers in a panel T/F
True
Bonding is connecting metal and metal together for grounding T/F
True
Exterior ground rod is ___ feet in the earth.
A. 4 feet
B. 6 feet
C. 8 feet
D. 10 feet
8 feet
For the following panels what gauge of copper is required:
125 AMP Panel-
150 or 175 AMP Panel-
200 AMP Panel-
125 AMP-8 gauge copper
150 AMP-6 gauge copper
200 AMP-4 gauge copper
Rod grounding is the most common method used for grounding. T/F
True
When using the water main grounding method, ground wire must connect to water main within __ feet of where it enters the building:
A: 2 feet
B: 5 feet
C: 8 feet
D: 10 feet
5 feet
240 volt breakers must have handle ties (double breakers) T/F
True
Everything in an electrical panel must be done right in accordance with:
A: BET
B: NEC
C: None of the above
D: All of the above
NEC
GFCI & AFCI are both found in the electrical panel. T/F
True
Low voltage (doorbells) are allowed in panels. T/F
False
There must be 36 inches in front of panel for access. T/F
True
There must be 36 inches clearance in front of AC disconnect outside. T/F
True
Plug/Fuse Colors:
Green=
Red=
Blue=
Green= 30 AMP
Red= 20 AMP
Blue= 15 AMP
3 way switches required for stairways with more than ___ risers.
6
Smoke detectors and carbon monoxide detectors should be replaced every 5 years. T/F
False (replace every 10 years)
DC=
VDC=
DC= Direct Current
VDC= Volts Direct Current
Short Slot=
Long Slot=
The Hole=
Short Slot= Hot
Long Slot= Neutral
The Hole= Ground
