Figure B illustrates 3-wire receptacle that is allowed in areas that allow grounding through neutral. A) 4-wire wall B) 3-wire wall receptacle receptacle (10-50R) Access to terminal block 23/EN shielded copper or aluminum cable), or by means of a power supply cord kit. Only a power supply cord kit rated at 120/ 240 volts and 40 or 50 amperes terminating in tinned leads and marked for use with ranges shall be used. If a 50 Amper cord is used it must be marked for use with a 1 3/8 inches diameter opening. Cord must have either 3 or 4 conductors to match electric receptacle (Use copper or Aluminum Conductors). WARNING:
Risk of fire or electrical shock exists if an incorrect size appliance cord kit is used or the Installation manual or strain relief clamp are disregarded. WARNING: Do not loosen the nuts which secure the facto- ry-installed range wiring to the terminal block while connecting range. Electrical failure or loss of electrical connection may occur. When installed where it is not permitted to ground through the neutral, a 4-conductor cord must be used or cable assembly. See manufacturer's in- structions. The main supply data must correspond to the data specified on the rating plate of the appliance. The rating plate is either seen when the door is opened.
1 Terminal block 2 Cover Loosen the screws on rear access cover and take off the terminal block cover. After completing connections put terminal block cover to the original location and tighten the screws. 3 & 4 -wire electrical wall receptacle types & recommended mounting orientation on wall Figure A illustrates 4-wire receptacle required for new branch circuit installation (1996 NEC) mobile homes, and recreational vehicles or where local codes do not allow grounding thru the neutral.