A ceiling beam grid suspendable from a structural ceiling by means of an anchor and hanger , the ceiling beam grid comprising: a. a plurality of beams , each beam comprising: i. a bottom for supporting devices; ii. sides ; and iii. ends with a first connector and a beam wire access opening ; b. at least one connection block comprising: i. a bottom ; ii. sides , one or more of which includes a second connector configured for detachable connection to the first connector of the beam and includes a connection block wire access opening for alignment with the beam wire access opening when the connection block and the beams are connected together; iii. a connection block support capable of engaging a hanger supported by the anchor attached to the structural ceiling, wherein the ceiling beam grid further includes one or more devices supported by the one or more beams and wherein the devices include device wires for providing control signals and power to the devices, and characterized in that the connection block includes an electrical multiport box for receiving control signals and power from a source, wherein the multiport box is releasably connected to the device wires for connecting the control signals and power to the devices, and wherein the device wires extend through the beam wire access opening and the connection block wire access opening for a beam and a connection block that are detachably connected together. a. a plurality of beams , each beam comprising: i. a bottom for supporting devices; ii. sides ; and iii. ends with a first connector and a beam wire access opening ; i. a bottom for supporting devices; ii. sides ; and iii. ends with a first connector and a beam wire access opening ; b. at least one connection block comprising: i. a bottom ; ii. sides , one or more of which includes a second connector configured for detachable connection to the first connector of the beam and includes a connection block wire access opening for alignment with the beam wire access opening when the connection block and the beams are connected together; iii. a connection block support capable of engaging a hanger supported by the anchor attached to the structural ceiling, i. a bottom ; ii. sides , one or more of which includes a second connector configured for detachable connection to the first connector of the beam and includes a connection block wire access opening for alignment with the beam wire access opening when the connection block and the beams are connected together; iii. a connection block support capable of engaging a hanger supported by the anchor attached to the structural ceiling, wherein the ceiling beam grid further includes one or more devices supported by the one or more beams and wherein the devices include device wires for providing control signals and power to the devices, and characterized in that the connection block includes an electrical multiport box for receiving control signals and power from a source, wherein the multiport box is releasably connected to the device wires for connecting the control signals and power to the devices, and wherein the device wires extend through the beam wire access opening and the connection block wire access opening for a beam and a connection block that are detachably connected together. <EOS>