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Year: 2024

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Gantt Chart
Foreman

Reading the Construction Schedule

May 5, 2024

A GC’s Gantt schedule has important information critical to electrical foremen. Starting with the basics, let’s review the different parts of the schedule. The first

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Motor Starter and disconnect
Equipment Power

The Magnetic Motor Starter

April 28, 2024

Today I came across a magnetic motor starter that has been discontinued by the manufacturer. It’s a Siemens 14CS32A. The customer still wants to use

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Underwriters Laboratory Trademark
NEC

Labeled and Listed

April 14, 2024April 14, 2024

Why should electricians be concerned whether equipment they’re installing is labeled or listed? As an electrician in San Francisco my work is frequently inspected by

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ELCU-200
Lighting

ELCU-200

April 14, 2024

With WattStoppers ELCU-200 you can use one single-pole toggle switch to simultaneously control light fixtures fed from a normal power source and light fixtures fed

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HVI Doorbell
ADA

HVI Doorbell

February 21, 2024February 21, 2024

When it comes to multi-family buildings, whether constructing a new structure or renovating an old one, some units must be made accessible for people with

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Old GE Combo
Equipment Fire Alarm

Combination Motor Starter

February 18, 2024February 18, 2024

Because the building that I’m working in was built about 50 years ago, I’m coming across old electrical equipment. As an example, one exhaust fan

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Manlift Car
Equipment Power

Powering the Construction Hoist

February 16, 2024February 16, 2024

Today’s task was to provide power to the hoist. The temporary construction elevator anchored to the side of a building. This hoist had a 5.5kw

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Fire Sprinkler Riser
Fire Alarm Life Safety

Sprinkler Tamper Switches

February 14, 2024February 16, 2024

It is common for automatic water sprinklers to protect a building from fire. Large vertical water sprinkler pipes rise up from the lowest level of

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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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