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The San Francisco Electrician Resource

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Month: January 2024

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Myers emergency system inverter
Lighting

The Inside on Inverters

January 14, 2024January 14, 2024

We are installing a 33.2 KW/KVA Myers emergency power system inside of the building we’re working on. The equipment we call an inverter consists of

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Emergency responder radio coverage system
ERRCS Life Safety

ERRCS Part 3 – Head End

January 9, 2024January 9, 2024

Often, electricians will install a 2″ conduit from the donor antenna to the bi-directional amplifier (BDA). A BDA is a device that boosts radio frequency

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San Francisco City Skyline
Editorial

San Francisco Electrician

January 6, 2024January 9, 2024

I am convinced that no one can predict the economy in San Francisco. I read about San Francisco being in a death spiral one minute

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Notifier Monitor Module
Fire Alarm Life Safety

Smoke Alarm Monitoring

January 6, 2024January 6, 2024

California’s State Building Code requires smoke alarms to be located in the following places: These smoke alarms are powered by a 120VAC general-purpose branch circuit

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lmrc-111
Lighting

Wattstopper LMRC-111

January 5, 2024

I’ve used Wattstopper relays to control lights on quite a few projects. Wattstopper makes the Digital Lighting Management (DLM) System and it is a fairly

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6" Magnetic parts pan
Tools

Magnetic Tek Screw Pan

January 3, 2024January 3, 2024

Today was the first work day of 2024 and I have a small confession, I am not always enthusiastic about going to work. I had

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Garage EVSE
Power

Three Levels of Charging

January 1, 2024

Full disclaimer here, I don’t own an electric vehicle. However, I am an electrician, and I may install an electric vehicle charger one day (fingers

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