TPI's Mounting Arm DKL24ARM is a 24" arm constructed of 1-1 / 2" square 14 gauge steel tubing and may be used with 1 of 5 light heads / optional fan. A 3" x 5" x 3 / 16" mounting plate attaches with ( 4 ) 3 / 8" bolts. A 5' long, 18/3 SJTW conductor cord and NEMA 5-15 grounded plug is also included with the DKL24ARM.