Cable Tray Size Calculation Formula Excel

Download free excel program for cable sizing calculation the spreadsheet calculates cable size according to length amperage temperature and number group cables.

Cable tray size calculation formula excel.

Three phase circuits formula wire circular mils 2 x 0 866 x specific resistance x amperes x distance voltage drop source voltage where specific resistance 11 2 for copper cable specific resistance 17 4 for aluminium cable. All the calculations are subjected to the requirements of the national electrical code nec. Cable tray size includes tray width tray length tray weight and tray area. Transient motor for starting large motors largest motor at each.

Minimum allowable tray. Electrical tools ms excel spreadsheets this section is dedicated to tools every electrical engineer can use in daily work these spreadsheets below will make your job much more easier alowing you to shorten the time used for endless calculations of cables voltage drop various selections of circuit breakers capacitors cable size and so on. I have amtech but its only the basic single cable version which wont size three phase or anything 100amp. Has anyone made up an excel spreadsheet for sizing cable.

1 2 no s of 3 5cx300 sq mm xlpe cable having 59 7mm outer diameter and 5 9 kg meter weight 2 2 no s of 3 5cx400 sq mm. 60 and 90. December 2 2014 at 3 38 pm. Download also cable tray and conduit sizing excel sheet.

Calculate size of cable tray for following cable schedule. Not required outside diameter cable qty cable size weight lbs ft total cable weight. 2 fill in all pertinent project information. Based on number of cables cable tray size and bracket type.

Wire mesh cable tray fill ratio fill ratio cross section of cable cross section of tray according to nec 392 9 b when using ventilated tray with multiconductor control cable the sum of the cross sectional areas shall not exceed 50 percent of the interior cross section of the tray. Cable tray sizing program cooper b line 509 west monroe st. Lbs ft inside tray depth. Cable sizing excel formula.

Nec tables cablematic plus. Cable id cable o d. This will clear both the input and output pages. Can you send me the calculation spreadsheet for cable size.

Cable are laying in single layer in cable tray. This excel sheet contains formulas for calculating cable tray size and conduit size. 60 and 90. To size conduit and cable tray per nec.

Calculate cable tray width calculate cable tray area calculate cable tray length calculate cable tray weight calculate remaining width of cable tray calculate remaining area of cable tray free download. 13 responses to calculate size of cable tray excel sheet atta khan says. 9 to begin a new calculation return to the input screen and select the clear button. Highland il 62249.

Cable tray should be perforated and 20 spare capacity.