Basic Electrical Theory September 22, 2021, 7:16 pm

Related Tech Tips

Branding Tips for HVAC Businesses
Whether you’re a business owner or want to create an HVAC education program, you’re going to need to create an identity for your organization and put it out there. That’s called “branding” or “creating a brand.” Nowadays, we hear the term “brand” thrown around quite often with influencers and large corporations. As such, the word […]
Read more
Understanding Relays With the 90-340
Relays can be used for many different control applications, including controlling fans, blowers, other relays, or contactors, valves, dampers, pumps, and much more. A 90-340 is a very common, versatile relay that many techs have on their truck. So, we will use it as an example. A relay is just a remotely controlled switch that […]
Read more
Parallel Circuit Resistance 
In a series circuit (loads connected in a row end to end), it's easy to calculate total circuit resistance because you simply add up all the resistances to get the total. In a parallel circuit, the voltage is the same across all the loads; the amperage is simply added up, but the resistance is a […]
Read more

Leave a Reply

Your email address will not be published.

This site uses Akismet to reduce spam. Learn how your comment data is processed.

loading

To continue you need to agree to our terms.

The HVAC School site, podcast and daily tech tips
Made possible by Generous support from