TN LLE Electrical Safety Standards 2

Question 1

Which NFPA standard is commonly known as the 'Standard for Electrical Safety in the Workplace'?

Accepted Answer

NFPA 70E

Answer

NFPA 70E is the Standard for Electrical Safety in the Workplace, covering safe work practices, maintenance, and PPE requirements.

Question 2

Per NEC 110.26(A)(1), what is the minimum clear working space depth in front of electrical equipment operating at 120 to 250 volts (Condition 1)?

Accepted Answer

36 inches

Answer

NEC 110.26(A)(1) Table 110.26(A)(1) requires 36 inches (3 feet) minimum depth for Condition 1 at 120-250V.

Question 3

What is the minimum headroom required for electrical equipment per NEC 110.26(A)(3)?

Accepted Answer

6.5 feet or the height of the equipment, whichever is greater

Answer

NEC 110.26(A)(3) requires a minimum headroom of 6.5 feet (6 feet 6 inches) or the height of the equipment, whichever is greater.

Question 4

Per NEC 110.14(A), what is the requirement for electrical connections and splices?

Accepted Answer

They must be mechanically and electrically secure using approved methods

Answer

NEC 110.14(A) requires all connections to be made using approved devices or by splicing methods that provide both mechanical security and electrical continuity.

Question 5

According to NEC 110.12, what general standard applies to the workmanship of all electrical installations?

Accepted Answer

Installations must be neat and workmanlike

Answer

NEC 110.12 requires that electrical equipment be installed in a neat and workmanlike manner, which is a subjective but enforceable standard.

TN LLE - Tennessee Limited Licensed Electrician Practice Test

TN LLE - Tennessee Limited Licensed Electrician Practice Test

TN LLE Electrical Safety Standards 2