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2. Zinsco - Wikipedia

   en.wikipedia.org/wiki/Zinsco

   Aftermarket replacements for the Zinsco breakers are available; however, it may be more cost effective simply to replace the entire panel with a more modern and safer design from another manufacturer (such as Eaton, General Electric, Siemens, or Square D), depending on the number of breakers to be replaced. If the bus bar shows signs of ...

3. Distribution board - Wikipedia

   en.wikipedia.org/wiki/Distribution_board

   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.

4. Stab-Lok - Wikipedia

   en.wikipedia.org/wiki/Stab-Lok

   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 ...

5. Circuit breaker - Wikipedia

   en.wikipedia.org/wiki/Circuit_breaker

   A Siemens air circuit breaker rated for 1000 V and 2500 A continuous current mounted on a motor control cubicle Medium-voltage circuit breakers rated between 1 and 72 kV may be assembled into metal-enclosed switchgear line-ups for indoor use or may be individual components installed outdoors in a substation .

6. List of telephone switches - Wikipedia

   en.wikipedia.org/wiki/List_of_telephone_switches

   NESXS (Nippon Electric step-by-step based on license from Western Electric) M100; NEAX31 (Discrete Electronic CPU, 4-stage Crossbar switching fabric, PBX) NEAX12 (Analog / Digital Hybrid PBX) NEAX22 (Analog / Digital hybrid PBX) NEAX 2000/1000; NEAX2400 (Fully Digital PBX) XN120; NEC Univerge SL1000 (Small or Medium Sized, VoIP And TDM ...

7. Square D - Wikipedia

   en.wikipedia.org/wiki/Square_D

   Square D is an American manufacturer of electrical equipment headquartered in Andover, Massachusetts. Square D is a flagship brand of Schneider Electric , which acquired the company in 1991. The company was listed on the New York Stock Exchange for 55 years prior to its acquisition without reporting financial loss in any calendar quarter ...