Cable Capacities
Fabrication Guide
30mm Depth Steel Wire Cable Tray
TABLES SHOWING APPROXIMATE CABLE CAPACITIES OF ALL STEEL WIRE CABLE TRAYS USING A 50% FILL RATIO MC30 APPROX CABLE CAPACITY UNDER NEC 50% RULE
NEC 50% RULE: AL- LOWABLE FILL AREA (mm 2 )
CAT5e 4-pr UTP (4.9mm diam)
CAT 6 4-pr UTP (6.5mm diam)
TOTAL FILL AREA (mm 2 )
CAT 6a 4-pr UTP (8.9 diam)
CABLE TRAY
MC3050
1400 2800 4200
700
37 74 111
21
11
MC30100 MC30150
1400 2100 2800 4200
42 63 84
23 34 45 68
MC30200 5600 MC30300 8400
148 223
127
55mm Depth Steel Wire Cable Tray
APPROX CABLE CAPACITY UNDER NEC 50% RULE
MC55
NEC 50% RULE: ALLOWABLE FILL AREA (mm 2 )
CAT5e 4-pr UTP (4.9mm diam)
CAT 6 4-pr UTP (6.5mm diam)
CAT 6a 4-pr UTP (8.9 diam)
CABLE TRAY
TOTAL FILL AREA (mm 2 )
MC5550
2600 5200 7800
1300
69
39 78
21
MC55100 MC55150
2600 3900 5200 7800 10400
138
42 63 84
207 276
118 157 235
MC55200 10400
MC55300
15600
414
125 167 188 209
MC55400 20800
552 620 689 827
313
MC55450
23400
11700
353 392 470
MC55500 26000 MC55600 31200
13000
15599.95
251
106mm Depth Steel Wire Cable Tray
APPROX CABLE CAPACITY UNDER NEC 50% RULE
MC106
NEC 50% RULE: ALLOWABLE FILL AREA (mm 2 )
CAT5e 4-pr UTP (4.9mm diam)
CAT 6 4-pr UTP (6.5mm diam)
CAT 6a 4-pr UTP (8.9 diam)
CABLE TRAY
TOTAL FILL AREA (mm 2 )
MC106100 MC106150 MC106200 MC106300 MC106400 MC106450 MC106500
10303 15452 20600 30903 41200 46348
5152
273 410 546 819
155
83
7726
233 310 466
124 166 248
10300 15452 20600
1092 1229 1366 1639
621
331
Allied Tube & Conduit 23174 26752 30900
698 776
373
51503
414
MC106600 617800
931
497
atkore.com/marco
117
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