Reliance-controls PB20 User Manual download pdf

POWER INLET BOX

CAT. NO. PBN20

20Amps, 120/240 VAC

INSTALLATION INSTRUCTIONS

IMPORTANT: Installation of this power inlet box and related wiring must be done by a qualified electrician

in compliance with all applicable electrical codes. When used to power a structure, this inlet must be used in

conjunction with a transfer switch. Not for indoor use. When using an engine driven generator, locate away

from doors and windows to avoid the build up of carbon monoxide from the engine exhaust in enclosed

areas.

INSTALLING A REMOTELY LOCATED POWER INLET BOX FOR SUPPLYING

POWER TO THE POWER INLET OF A TRANSFER SWITCH OR PANEL

Mount the power inlet box on the outside of the building in a convenient location, using the three holes

provided in the back of the cabinet. Using copper wire only and approved wiring methods run the wiring

through one of the knockouts in the cabinet to a junction box located near the transfer switch. REMOVE

KNOCKOUT FROM THE INSIDE OF THE ENCLOSURE USING A SCREWDRIVER INSERTED

INTO THE SLOT IN THE KNOCKOUT AND STRIKE GENTLY WITH A HAMMER. Install four

color-coded wires (AWG #12 minimum, AWG #8 maximum) -- use green for ground, white for neutral, and

two other distinguishing colors (typically black and red) for the 240V line. 3/4-inch fittings can be installed

directly into the knockout holes. To use 1/2-inch fittings, insert the knockout washer (provided) into the

open hole, and then install the fitting. Fittings should be torqued to not more than 120 in-lbs.

Strip the wire insulation 5/8" and connect the wires in the power inlet box as follows making sure there is no

wire insulation in any terminal and the inlet terminal screws are tightened to 20 inch-pounds torque:

Hot wires to the brass terminals marked "X" and "Y".

Neutral wire to the nickel-plated neutral terminal marked "W".

Ground inlet wire to green screw terminal marked “G.”

PREPARING A CORD FROM THE GENERATOR TO THE POWER INLET BOX:

Using a 4-conductor 20 Amp. portable cord suitable for the purpose, attach a male plug matching the

configuration of the generator outlet (typically a NEMA Type L14-20P) to one end, and a NEMA Type L14-

20C connector (which will mate with the power inlet in the power inlet box) to the opposite end.

Following the wiring device manufacturer's instructions, wire the generator plug and the L14-20C connector

as follows:

Red and black wires to the brass terminals marked "X" and "Y".

White wire to the nickel-plated neutral terminal marked "W".

Green wire to the green ground terminal marked "G".

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POWER INLET BOX CAT. NO. PBN20 20Amps, 120/240 VAC INSTALLATION INSTRUCTIONS IMPORTANT: Installation of this power inlet box and related wiring mu

RELIANCE CONTROLS CORPORATION 2001 YOUNG COURT RACINE, WI 53404 800-634-6155 1/20/2015

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Reliance-controls PB20 User Manual