Under South Carolina contractor licensing law (Title 40-11), what is the minimum experience requirement for a Tier III mechanical contractor license?
Correct Answer
B) 6 years of verifiable experience
Title 40-11 requires 6 years of verifiable experience in the mechanical trade for a Tier III license.
Why This Is the Correct Answer
South Carolina Title 40-11 sets a 6-year verifiable experience requirement for a Tier III mechanical contractor license. Tier III is the highest tier and carries the most demanding experience threshold to reflect the complexity and scope of work permitted under that classification.
Why the Other Options Are Wrong
Option A: 2 years of verifiable experience
Option A ('2 years') corresponds to the lower experience thresholds for entry-level or Tier I classifications. Two years is insufficient to qualify for the advanced Tier III license.
Option C: 4 years of verifiable experience
Option C ('4 years') is an intermediate figure not tied to the Tier III requirement. Four years may align with intermediate licensing levels in other trades or states but does not satisfy South Carolina's 6-year Tier III requirement.
Option D: 8 years of verifiable experience
Option D ('8 years') exceeds the statutory requirement. While 8 years of experience obviously exceeds the minimum, the law specifies 6 years — not 8 — as the threshold.
Memory Technique
Think: 'Tier III = Six.' Three tiers, and the top one needs 6 years. Or: 'Third tier, half a dozen years.' 6 = 2 × 3 — twice the tier number.
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