Non-NEMA Twist-Lock(R) Devices 20 Ampere, 250 Volts, 10 Ampere, 600 Volts AC 4 Pole, 5 Wire Grounding Z For Replacement Use Only 2.75"(69.9) 2.33" (59.2) 2.21" (56.1) HBL3521C 1.34" R. (34.0) IP20 SUITABILITY Plugs W GR Y X 20A 250V 10A 600V AC Non-NEMA UL/CSA Description Cord Dia. Catalog Number Black and white nylon. .350"-1.150" (9-29) HBL3521C Note: See page B-53 for accessories. .19" (4.8) DIA. 2.27" (57.7) 120 2.23" (56.6) 3.06" (77.7) Flanged Inlets Description Catalog Number Insulgrip nylon casing, back wired. HBL3524C Note: See page B-52 for accessories. 120 HBL3524C Z W Y IP20 3.86"(98.0) SUITABILITY 2.33" (59.2) 2.21" (56.1) Connector Bodies X GR 20A 250V 10A 600V AC Non-NEMA UL/CSA Description Cord Dia. Catalog Number Black and white nylon. .350"-1.150" (9-29) HBL3523C Note: See page B-53 for accessories. HBL3523C Single Flush Receptacles 1.71" (43.4) Description Catalog Number Black thermoset, back wired. HBL3520 Note: See page B-52 for accessories. 2.50" (63.5) #6-32 TAP 1.57" (39.8) 2.38" (60.5) 3.28" (83.3) HBL3520 1.34" R. (34.0) Flanged Receptacles Description Catalog Number Insulgrip nylon casing, back wired. HBL3525C Note: See page B-52 for accessories. See page B-69 for technical information. .19" (4.8) DIA. 2.27" (57.7) 120 2.23" (56.6) 3.06" (77.7) 120 HBL3525C Dimensions in Inches (mm) B-46 CAUTION: To avoid electrical shock, review premises carefully and do not use if slot or blade configuration (design) is already in a circuit having a rating differing from the rating of this device. (R) Wiring Device-Kellems www.hubbell-wiring.com