acceptable and unacceptable topologies for a single network bus system parameters, including: how bus systems work network topology voltage and current limits cable type and length limits network impedance network and device status indication low voltage (LV) supply, voltage parameters and quality supply sources such as uninterruptable power supplies (UPS) and inverters may adversely effect voltage parameters and waveform cabling, including: insulation resistance testing precautions and prohibitions LV cable terminations and conductor size bus cable polarity and pairing, termination requirements and techniques field and enclosure segregation requirements related to related to relevant industry standards supply and load protection, including: conductors and protection device coordination protection on supply and load side of system devices use of residual current devices (RCDs) output devices, including: relay connections for extra-low voltage (ELV) and LV loads dimmer types supply and load connections for the various dimmer types installation requirements for input devices, including: passive infrared detectors light level control key inputs touch screens acceptable and unacceptable topologies for a single network connection chart/diagrams devices and connections for other control methods, including: distributed signalling interface (DSI) and gateway dimming and control devices and connections digital addressable lighting interface (DALI) dimming and control zero to 10 volts analogue control installation requirements for input devices installations of integrated systems for input devices, including passive infrared detectors, light level control, key inputs, and touch screens job specifications and customer requirements LV supply, voltage parameters and quality, including supply sources such as UPS and inverters which may adversely affect voltage parameters and waveforms manufacturer documentation relevant manufacturer specifications relevant safe work method statements (SWMS)/job safety assessments or risk mitigation processes relevant cabling industry standards, including: cable type and length limits, including network impedance how bus systems work and network topology voltage and current limits relevant WHS/OHS legislated requirements relevant workplace documentation relevant workplace policies and procedures risk control measures supply and load protection acceptable and unacceptable topology requirements for a single network. |