UL 73:2004 pdf download.Motor-Operated Appliances.
C) In addition to oomplyng with the other applicable requirements in the standard, the wiring compartment shall be constructed and the cord attached so a permanent connection is able to be made to the power supply. The construction shall comply with the following conditions:
1) The cord shall enter the wiring compartment through a 718-in (22.2-mm) diameter hole that, after the cord and any bushing or titling provided have been removed. provides an opening for attachment of a wiring system that is intended for the appliance: and
2) The power-supply cord is connected to the internal wiring by a device such as a terminal block, pressure cable connector, or a similar device, that accommodates permanent winng having an ampacity rated for the appliance, and that complies with 12.2.2 — 12.2.4.
12.1.2 Cords and plugs
12.1.2.1 An appliance intended to be connected to the powersupply circuit by means of a flexible cord shall be provided with a flexible cord and an attachment plug for connection to the supply crcuit.
12.1.2.2 The attachment plug of an appliance intended to be connected to a nominal 120 V circuit, and employing devices required to be connected to a specific supply conductor as specified in 20.2. 23.2, and 24.3 shall be a polarized type. The connections to the attachment plug shall be in accordance with Figure 12.1. The polarity identification of the supply cord shall be in accordance with Table 12.1. See 59.4.
12.1.2.3 An appliance that is required to employ a polarized attachment plug as specified in 12.1.2.2, and that is provided with a separate or detachable cord set as specified in Exception No. 1 of 12.1.2.6 and 12.1.2.8 shall also employ an appliance connector of the polarized type.
1) The cord shall enter the wiring compartment through a 718-in (22.2-mm) diameter hole that, after the cord and any bushing or titling provided have been removed. provides an opening for attachment of a wiring system that is intended for the appliance: and
2) The power-supply cord is connected to the internal wiring by a device such as a terminal block, pressure cable connector, or a similar device, that accommodates permanent winng having an ampacity rated for the appliance, and that complies with 12.2.2 — 12.2.4.
12.1.2 Cords and plugs
12.1.2.1 An appliance intended to be connected to the powersupply circuit by means of a flexible cord shall be provided with a flexible cord and an attachment plug for connection to the supply crcuit.
12.1.2.2 The attachment plug of an appliance intended to be connected to a nominal 120 V circuit, and employing devices required to be connected to a specific supply conductor as specified in 20.2. 23.2, and 24.3 shall be a polarized type. The connections to the attachment plug shall be in accordance with Figure 12.1. The polarity identification of the supply cord shall be in accordance with Table 12.1. See 59.4.
12.1.2.3 An appliance that is required to employ a polarized attachment plug as specified in 12.1.2.2, and that is provided with a separate or detachable cord set as specified in Exception No. 1 of 12.1.2.6 and 12.1.2.8 shall also employ an appliance connector of the polarized type.