Cable Tray Size Calculation Formula Excel

Cable sizing excel formula.

Cable tray size calculation formula excel.

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. Highland il 62249. All the calculations are subjected to the requirements of the national electrical code nec. 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.

I have amtech but its only the basic single cable version which wont size three phase or anything 100amp. Download free excel program for cable sizing calculation the spreadsheet calculates cable size according to length amperage temperature and number group cables. 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. Cable id cable o d.

Minimum allowable tray. 60 and 90. Nec tables cablematic plus. Cable are laying in single layer in cable tray.

Cable tray should be perforated and 20 spare capacity. This excel sheet contains formulas for calculating cable tray size and conduit size. For heavily loaded and or long circuits to confirm operation within nec recommendations min skm ptw dapper spreadsheets hand calcs. 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.

All data used in this excel sheet are according to iee. 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. Based on number of cables cable tray size and bracket type. December 2 2014 at 3 38 pm.

Lbs ft inside tray depth. Calculate size of cable tray for following cable schedule. Has anyone made up an excel spreadsheet for sizing cable. Transient motor for starting large motors largest motor at each.

60 and 90. Cable tray size includes tray width tray length tray weight and tray area. Download also cable tray and conduit sizing excel sheet. Not required outside diameter cable qty cable size weight lbs ft total cable weight.

2 fill in all pertinent project information. 13 responses to calculate size of cable tray excel sheet atta khan says. This will clear both the input and output pages. 9 to begin a new calculation return to the input screen and select the clear button.

Distance between each cable is 10mm.