A Class B general building contractor wants to perform electrical work valued at $750. According to the B&P Code, this contractor:
Correct Answer
C) Can perform the work if it's incidental to the main contract
B&P Code Section 7057 allows Class B contractors to perform specialty work that is incidental and supplemental to their main contract, regardless of value for work under $500, and up to certain limits for higher amounts.
Why This Is the Correct Answer
B&P Code Section 7057 permits Class B general building contractors to perform specialty trade work (including electrical) when it is incidental and supplemental to their primary general building contract. The key condition is that the specialty work must serve the main construction project — not be performed as a standalone specialty job.
Why the Other Options Are Wrong
Option A: Must obtain a C-10 specialty license
A C-10 license is required only if a contractor is performing electrical work as the primary scope of work, not under a general building contract. Class B contractors do not need a separate C-10 when the electrical work is incidental to their main contract.
Option B: Can perform the work without restrictions
Class B contractors do not have unrestricted authority to perform all specialty work. The permission is conditional — the work must be incidental and supplemental to the primary general building contract, not an independent specialty engagement.
Option D: Must subcontract to a C-10 electrical contractor
Subcontracting to a C-10 is one option, but it is not mandatory when the work is incidental to the general building contract. The Class B contractor can legally self-perform incidental specialty work under B&P Code Section 7057.
Memory Technique
Think 'B is for Building everything' — a Class B contractor builds the whole project, so small electrical, plumbing, or other work that supports the structure is part of the job. If it's a bolt-on to the main build, the B license covers it.
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