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In a solar cell roof structure, a photovoltaic power generating apparatus, a building and a method of construction of a solar cell roof, in which a solar cell module is provided above a roof base of a building, an electrical wire for the solar cell module is provided in a space between the solar cel

In a solar cell roof structure, a photovoltaic power generating apparatus, a building and a method of construction of a solar cell roof, in which a solar cell module is provided above a roof base of a building, an electrical wire for the solar cell module is provided in a space between the solar cell module and the roof base, and the electrical wire extends into a space at the back of the roof base through a through hole provided in the roof base. A base sealing member on the roof base is provided for covering the through hole and an exit is provided in the base sealing member through which the electrical wire extends into the space between the solar cell module and the roof base at a portion of the base sealing member other than a portion just over the through hole of the base sealing member. The base sealing member can include a heat-resisting or fire resistive material on the roof base for covering the through hole.

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In a solar cell roof structure, a photovoltaic power generating apparatus, a building and a method of construction of a solar cell roof, in which a solar cell module is provided above a roof base of a building, an electrical wire for the solar cell module is provided in a space between the solar cel

In a solar cell roof structure, a photovoltaic power generating apparatus, a building and a method of construction of a solar cell roof, in which a solar cell module is provided above a roof base of a building, an electrical wire for the solar cell module is provided in a space between the solar cell module and the roof base, and the electrical wire extends into a space at the back of the roof base through a through hole provided in the roof base. A base sealing member on the roof base is provided for covering the through hole and an exit is provided in the base sealing member through which the electrical wire extends into the space between the solar cell module and the roof base at a portion of the base sealing member other than a portion just over the through hole of the base sealing member. The base sealing member can include a heat-resisting or fire resistive material on the roof base for covering the through hole. ed chamber; an isolation pad secured to an underside of said support plate exterior of said barrel and having a planar disc shaped surface with a center aperture formed therein and an outer circumference which has a size less than the outer circumference of the support plate; and, a sensor plate having coupled in a center thereof said bottom surface of the cushioning means and which is coupled to an underside of the isolation pad. 8. The instrument of claim 7, wherein said sensing means further comprises: a sensor plate having coupled in a center thereof a bottom surface of said cushioning means and which is coupled to an underside of said isolating means. 9. The instrument of claim 8, wherein said sensing means includes a means for transducing and which is coupled to an under side of said sensor plate. 10. The instrument of claim 7, wherein said sensing means includes a means for transducing and which is constructed and arranged in said housing to maximize a distance of said transducer from said percussion head. 11. The instrument of claim 7, further comprising: a top rim for securing the percussion head to said top end of said barrel; and, a bottom rim for securing said housing means to said bottom end of said barrel. 12. The instrument of claim 7, wherein said cushioning means is resilient or elastic cylindrically shaped structure with a longitudinal axis journalled within a center axis of said barrel wherein the longitudinal axis is aligned with a center of the percussion head. 13. The instrument of claim 7, wherein said percussion head is comprises of a screen material through which air passes. 14. A method of manufacturing an electronic percussion instrument comprising the steps of: providing a barrel having a top end and a bottom end and a length; securing a percussion head to said top end; affixing and suspending externally from said bottom end a housing; arranging and housing a percussive impact sensor having a transducer in said housing to maximize a distance between the transducer and the percussion head; providing a supporting plate to the bottom end of the barrel, said support plate having a planar disc shaped surface with a center aperture formed therein and an outer circumference which is at least the size of an outer circumference of said bottom end of said barrel; providing an isolation pad secured to an underside of said support plate exterior of said barrel and having a planar disc shaped surface with a center aperture formed therein and an outer circumference which has a size less than the outer circumference of the support plate; providing a sensor plate having coupled in a center thereof said bottom surface of the cushioning member and which is coupled to an underside of the isolation pad; and, said affixing and suspending step includes the steps of: providing said supporting plate; and, isolating said supporting plate from said percussive impact sensor via an isolating surface. 15. The method of claim 14, wherein the affixing and suspending step further includes the step of: creating a closed chamber with a cover coupled to said supporting plate. 16. The method of claim 15, further comprising the step of: journalling a cushioning member of said percussive impact sensor from said percussion head through said barrel and into said closed chamber; coupling a sensor plate of said percussive impact sensor to a bottom surface of said cushioning member and to an underside of said isolating surface; and, coupling the transducer of said percussive impact sensor to an underside of said sensor plate. 17. The method of claim 16, wherein said cushioning member is resilient or elastic cylindrically shaped structure with a longitudinal axis journalled within a center axis of said barrel wherein the longitudinal axis is aligned with a center of the percussion head.