Electrical transmission or interconnection systems – Plural supply circuits or sources – Substitute or emergency source
Patent
1996-12-24
1998-08-04
Shoop, Jr., William M.
Electrical transmission or interconnection systems
Plural supply circuits or sources
Substitute or emergency source
307150, 361622, 361623, 361610, 361641, 361601, 361836, H02J 700, H02B 100
Patent
active
057898286
ABSTRACT:
A low voltage power supply and distribution center comprises a housing and a housing door. The housing door is removably mounted to the housing and may be repositioned between a service position and a closed position. In the service or open position, the housing door is hingely mounted to the housing and provides easy access to circuit components. All of the circuit components of the low voltage power supply and distribution center are directly mounted to the housing door, and access to many of the circuit components, such as switches, fuses and circuit breakers, may be provided directly through the housing door. The housing door is manufactured of a material that efficiently dissipates heat through radiation such that it acts as a heat sink for the circuit components mounted thereon. Vents having adjustable dampers are formed in the housing door and the position of the dampers may be adjusted to meet code requirements associated with a specific installation. The housing door provides sufficient heat dissipation such that when the housing is surrounded with 20 centimeters (8 inches) of insulation, the maximum surface temperature of the housing and housing door is less than 90.degree. C. An emergency lighting circuit is provided to power the circuit components upon failure of the primary source of power.
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Tremaine John M.
Tremaine Susan C.
Kaplan Jonathan
Oliver Milton
Shoop Jr. William M.
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