Frequently Asked Electrical Questions
Clear, plain-language answers about South Florida residential and commercial electrical systems, breaker panel safety, permitting, and equipment hookups.
Why do my lights flicker when the central air conditioner turns on?
When a large motor like a compressor starts, it draws an inrush of current. In South Florida homes, noticeable flickering can indicate a panel operating near capacity, undersized service conductors, or loose connections at the main breaker or meter socket. Master Electrician Lanny Donnell can perform a load test to locate the voltage drop.
What is the difference between a generator interlock and an automatic transfer switch?
A generator mechanical interlock kit is installed on your existing breaker panel to safely power selected household circuits using a portable generator. An automatic transfer switch (ATS) works with permanently installed standby generators, automatically transferring power when utility service is interrupted. Both prevent backfeeding dangerous voltage into utility powerlines.
Do I need whole-home surge protection in South Florida?
Yes. South Florida experiences some of the highest lightning strike densities in North America, as well as utility switching surges during storms. A Type 2 whole-home surge protective device (SPD) installed at your main breaker panel protects appliances, electronics, and smart home systems.
Can I install a Level 2 electric vehicle (EV) charger on a 100-amp service?
A Level 2 EV charger typically requires a dedicated 40A or 50A 240V circuit. In many South Florida homes with electric water heaters, dryers, and central air conditioning, a 100A service may not have sufficient capacity. A service upgrade to 200 amps is often required to support safe charging without tripping the main breaker.
What are the risks of a Federal Pacific Electric (FPE) Stab-Lok panel?
Independent testing has demonstrated that FPE Stab-Lok breakers often fail to trip under short circuits and sustained overloads. This allows current to overheat branch wiring, posing a severe fire hazard. Many Florida insurance companies require replacement of FPE panels before issuing or renewing homeowner insurance.
Does electrical panel replacement require a city permit in Broward County?
Yes. Electrical panel changeouts and service upgrades require a permit from your city or county building department. After installation, a municipal electrical inspector verifies the panel, breakers, grounding electrode system, and bonding to ensure full compliance with the Florida Building Code.
What should I do if a breaker trips repeatedly?
If a breaker trips immediately after being reset, do not force or hold it in the ON position. A continuous trip indicates an active short circuit, ground fault, or dangerous overload on that circuit. Unplug appliances on that circuit and contact a master electrician to inspect the branch wiring.
What is an electrical subpanel and when is it necessary?
A subpanel is an auxiliary breaker box fed from the main electrical panel. Subpanels are commonly installed for home additions, garage workshops, pool equipment, and commercial tenant spaces where physical breaker space in the main box is exhausted.
Have a Question Not Answered Here?
Ask Master Electrician Lanny Donnell or call directly at (954) 400-8891.