NOTE: THE MAXIMUM RATING OR SETTING OF THE AUTOMATIC OVERCURRENT DEVICE FOR CIRCUITS (CONDUCTORS) IN CABLE TRAY IS 500 AMPS FOR A 35mm BONDING PER AND 1000 AMPS FOR A 70mm2 BONDING JUMPER.ĪLUMINUM CABLE TRAY 90 DEGREES – SPLICE PLATE ASSEMBLY AT THE INTERSECTION WITH THE TEMPERATURE LINE, READ DOWN TO THE GAP SETTING.ĪLUMINUM CABLE TRAY HINGED – SPLICE PLATE ASSEMBLY TO DETERMINE THE GAP SETTING, PLOT THE METAL TEMPERATURE AT THE TIME OF INSTALLATION. DRAW A LINE BETWEEN THE MAXIMUM AND MINIMUM POINTS.Ĥ. PLOT THE LOWEST EXPECTED METAL TEMPERATURE ON THE MINIMUM TEMPERATURE LINE.ģ. PLOT THE HIGHEST EXPECTED METAL TEMPERATURE ON THE MAXIMUM TEMPERATURE LINE.Ģ. VERTICAL CABLE TRAY ELBOWS AT THE BOTTOM OF RUNS SHOULD BE SUPPORTED AT THE TOP OF THE ELBOW AND WITHIN 610mm OF THE JOINT AT THE BOTTOM OF THE ELBOW.ĪLUMINUM EXPANSION SPLICE PLATE – ASSEMBLYġ. VERTICAL CABLE TRAY ELBOWS AT THE TOP OF RUNS SHOULD BE SUPPORTED AT THE JOINT ON EACH END. INTERMEDIATE SUPPORT FOR UPPER TRAY REQUIRED ON PIPERACKS OVER 6096mm WIDE.ģ. FIELD CUT CABLE TRAY LENGTH AS REQUIRED.Ģ.
