Licensed Electrical Contractor Business Law and Safety 3

Question 1

According to OSHA 29 CFR 1926, what is the minimum clearance distance a worker must maintain from an unguarded energized overhead power line operating at 50 kV or less?

Accepted Answer

10 feet

Answer

3 feet

Answer

15 feet

Answer

20 feet

Question 2

A change order on a construction project is best described as:

Accepted Answer

A written amendment modifying the original contract scope, cost, or schedule

Answer

A penalty clause for late completion

Answer

A request for additional workers

Answer

An inspector's correction notice

Question 3

Under NFPA 70E, an arc flash hazard analysis must be performed to establish:

Accepted Answer

Incident energy levels and appropriate PPE boundaries

Answer

The minimum wire gauge for branch circuits

Answer

The number of circuit breakers required per panel

Answer

Maximum ampacity of conductors

Question 4

Which IRS form is used to report payments of $600 or more to a subcontractor who is not incorporated?

Accepted Answer

1099-NEC

Answer

W-2

Answer

W-9

Answer

941

Question 5

What is the primary purpose of a mechanics' lien in the construction industry?

Accepted Answer

To secure payment for labor or materials provided to a property

Answer

To require bonding for all subcontractors

Answer

To establish priority among competing insurance claims

Answer

To register a contractor's license with the state

Question 6

Under the NEC, the grounding electrode system for a building must include which of the following if present on the property?

Accepted Answer

A metal underground water pipe in contact with earth for 10 feet or more

Answer

A lightning rod system

Answer

Any metal fence within 25 feet of the structure

Answer

Buried conduit containing grounding conductors

Question 7

An electrical contractor purchases a commercial general liability (CGL) policy. This policy primarily protects against:

Accepted Answer

Bodily injury and property damage claims from third parties

Answer

Employee wage disputes

Answer

Theft of tools and equipment

Answer

Costs to repair defective workmanship