Ads
related to: electrical circuit breaker panel box- Request a Quote
Don't See What You're Looking For?
We Can Help! Request A Quote Now.
- Rental Transformers
Great For A Temporary Replacement
For A Failed Transformer!
- Complete Inventory
Find The Right Equipment For
You In Our Inventory Today!
- Bus Plug Inventory
In Stock And Ready For
Immediate Shipment!
- Request a Quote
Search results
Results from the WOW.Com Content Network
A distribution board (also known as panelboard, circuit breaker panel, breaker panel, electric panel, fuse box or DB box) is a component of an electricity supply system that divides an electrical power feed into subsidiary circuits while providing a protective fuse or circuit breaker for each circuit in a common enclosure.
After the 1979 sale of Federal Pacific Electric to Reliance Electric, a unit of Exxon Corporation, Reliance reported to the U.S. Consumer Product Safety Commission that the Stab-Lok breakers and panels did not meet the requirements published by Underwriters Laboratories, even though the products bore UL labels. The CPSC performed its own ...
It continued in this form until the 1980s, when it was absorbed by Reliance Electric, which was purchased shortly thereafter by Exxon. [9] Federal Pacific is best-known for a line of circuit breaker equipment called Stab-Lok. These circuit breakers and electrical panels were used extensively in residential and commercial construction from about ...
A circuit breaker is an electrical safety device designed to protect an electrical circuit from damage caused by current in excess of that which the equipment can safely carry (overcurrent). Its basic function is to interrupt current flow to protect equipment and to prevent fire .
Zinsco would remain with copper in both their panels and breakers until the third major copper shortage in the early 1960s, when they would switch to an aluminum bus. In 1963, Zinsco introduced the R-38 twin breaker, which was the only twin circuit breaker that also made contact on both bus-bars for 240 volts in a single breaker space.
The 1965 edition of the NEC, article 384-15 was the first reference to the circuit total limitation of panelboards. [1] As of 2008, the location of this language is at Article 408.54 now titled "Maximum Number of Overcurrent Devices."
Ads
related to: electrical circuit breaker panel box