A warranty policy that protects you: what to promise, what to exclude, how long, and how to honor it without losing money
In one paragraph
No statute writes an electrical contractor's warranty, so most new contractors either promise nothing in writing, which customers read as hiding something, or promise everything for life, which is a lawsuit with a signature. The policy that works is one page: what is covered (your workmanship), for how long (a year is the common floor and a defensible choice), what is not (manufacturer's parts beyond the manufacturer's warranty, damage by others, changes in use, nuisance trips that turn out to be the customer's appliance), how to make a claim, and what the warranty is not (it does not shorten the four-year complaint window, and it does not replace the code). This lesson gives the reasoning behind each line of the template in this phase, the two warranty calls every electrician gets (the GFCI that trips and the breaker that trips), and how to honor a warranty call so that it makes you money in referrals instead of costing you a day.
The rule
The contract's incorporated documents, including a warranty statement, are listed in the home improvement contract (B&P 7159(d)(12)); the customer's right to complain to CSLB about patent acts for four years is set by statute and is not shortened by any warranty term (7091(a)); the floor beneath every warranty is the code and accepted trade standards, departure from which is a disciplinary cause regardless of the paper (7109(a)); and listed equipment must be installed per its listing and instructions (2025 CEC 110.3(B)), which is what makes a failed device the manufacturer's warranty and a failed connection yours.
Why it matters
A warranty is the last thing the customer reads before they sign and the first thing they read when something trips a year later. Written well, it turns a callback into a five-minute visit that ends with a referral; written badly or not at all, it turns the same callback into a CSLB complaint. The policy costs you a page and protects the next four years.