test 1 Flashcards
(27 cards)
At what location must the metallic components of an optical fiber entrance cable be bonded to ground?
In the building, as close as possible to the point of entry
What is required to operate powder actuated equipment?
Proof of instruction on how to operate the equipment
According to the Ontario Building Code, which CSA rated communication cable(s) may be installed in a computer room floor?
Only FT1, FT4, or FT6
What is the minimum diameter sheave (pulley) required for a 1200 pair cable, 3.25 inches in diameter if the bend radius for a multi-pair cable is 10 x OD?
65 inches
Which cable type may be substituted for FT4
CMR
CMP
FT6
What is the maximum allowable number of Category 5e cables that may be placed in a 1 inch EMT if the cables diameter is 0.226 inches?
8 cable
What is the area in square millimetres of a 35 trade size EMT?
940 mm ²
Under what dangerous condition does a worker need to wear a fall arrest system?
Falling more than 3 meters onto a concrete floor
What is the minimum amount of clearance required between the live parts of a primary protectors and electrical equipment?
90 cm
How should the base of a unsecured portable ladder be positioned?
Not less than 1/4 and not more than 1/3 the length of the ladder
What is the length of exposed non-rated communication cable used at the service entry to a building is permitted by the Ontario Building Code?
3 m (9 ft 10 in)
Which statement is correct regarding how primary protectors are used?
Primary protectors shall be connected between each line conductor and ground
An EF is located 20 meters from the exterior edge of a building. To be compliant with the Ontario Building Code, how must the non-FT rated outdoor cable be installed into the EF?
In 17 meters of rigid conduit
What is the maximum number of 0.18 inch diameter cables that may be installed in a 2 inch ID pathway?
49 cables
What section in the CEC would you find the rules for Conductors for a Class 2 power and Data Circuits?
Section 16
What is the allowable ampacity for a 24 awg, 75 ºC, 8 conductor Class 2 power and Data circuit, when using only 4 conductors and bundled with 1 other cable?
1.96 A
What is the minimum number of clips required to support a straight run of 21 trade size EMT, 80 feet long without any junction boxes?
16 clips
What type of hard hat is recommended for Construction work?
Class E, Type 2
What is the minimum number of clips required to support a straight run of 1 inch EMT, 75 feet long connected 2 pull boxes
12 clips
What is the area in square inches of a 27 mm EMT?
0.8335in²
What is the maximum AWG of the protector grounding conductor that is protecting 6 fuses circuits?
12 AWG
What is the minimum clearance requirement between communication conductors and lightning conductors?
2 M
What is the ampacity of a 22 awg, 90 ºC, 8-conductor Communication cable, using all 8 conductors, and bundled with 7 other cables?
1.4 A
What Table in the CEC refers to the Allowable Ampacity for Copper, Eight Conductor, Class 2 power and data Communication Circuit cables (PoE)?
Table 60
