# Tips from the trade.

From the blog

Straight answers about panels, EV chargers, wiring and keeping your home safe.

Latest post

## [Five signs your electrical panel needs an upgrade](https://www.toptechca.com/blog/signs-your-panel-needs-an-upgrade)

Breakers that keep tripping, a panel that feels warm, or a Zinsco or Federal Pacific label are worth a closer look. Here is what each sign means.

PanelsOctober 1, 20261 min read

![](https://www.toptechca.com/img/work/supplied-panel-wiring.webp)

More posts

1. ![](https://www.toptechca.com/img/work/supplied-service-equipment.webp)
   EV chargersOctober 1, 20261 min read
   ## [What it takes to add a Level 2 EV charger at home](https://www.toptechca.com/blog/level-2-ev-charger-at-home)
   Most EVs charge overnight on a 240 volt circuit. Here is what we check before installing a Level 2 charger, and what to expect along the way.
2. ![](https://www.toptechca.com/img/work/supplied-cafe-lighting.webp)
   LightingOctober 1, 20261 min read
   ## [Planning recessed lighting: five things to decide first](https://www.toptechca.com/blog/planning-recessed-lighting)
   Recessed lights look simple, but spacing, color, dimming and what is above the ceiling decide how they turn out. Here is what to settle first.
3. ![](https://www.toptechca.com/img/work/supplied-home-wiring.webp)
   WiringOctober 1, 20261 min read
   ## [Knob and tube wiring: what Bay Area homeowners should know](https://www.toptechca.com/blog/knob-and-tube-wiring-what-to-know)
   Many Bay Area homes built before 1950 still have knob and tube wiring. Here is how to spot it, why insurers ask about it, and what your options are.