Guides
Electrical guides for San Francisco homes and buildings
Plain-language explanations of the electrical topics that matter most in older San Francisco and Bay Area buildings.
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Guides
Each guide explains the topic, what an electrician evaluates and where to find official information.
Understanding Knob-and-Tube Wiring in Older San Francisco Homes
What knob-and-tube wiring is, why it is common in San Francisco, the real concerns, and how to approach evaluation and replacement.
When Does an Electrical Panel Need an Upgrade?
Signs, capacity, load calculations and alternatives — how to think about panel and service upgrades.
Planning EV Charging in a Shared Apartment Garage
Approvals, power sources, metering, load management and building-wide planning for EV charging in condos and apartments.
Electrical Capacity for Heat Pumps and Induction Ranges
How to plan electrical capacity when replacing gas heating, water heating and cooking with electric equipment.
Understanding Electrical Work in Historic Homes
How electrical work is planned in Victorian and Edwardian homes to modernize safely while protecting original features.
Electrical Load Management for Older Buildings
How load management helps older homes and multi-unit buildings add EV chargers and electric appliances within limited capacity.
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