Appleton • 1.800.621.1506 • www.appletonelec.com
504851-000 Rev. A 02/07/19 • Page 1 of 6
504851-000 INSTRUCTION SHEET
Appleton™ ALPN/ALPF/APPN/APPF Explosion-Proof Panelboard
Instruction Manual
RETAIN THIS INSTRUCTION SHEET FOR FUTURE REFERENCE. For safe installation and
operation, please read these instructions carefully and with full understanding.
Signal Words Defined
DANGER
indicates a hazardous situation which, if not avoided, will result in death or
serious injury.
WARNING
indicates a hazardous situation which, if not avoided, could
result in death or serious injury.
CAUTION
indicates a hazardous situation which, if not
avoided, could result in minor or moderate injury.
NOTICE
is used to address practices
not related to physical injury.
1.0 SCOPE
• This manual contains general information with regards to description, installation and
maintenance of EGS ALPN/ALPF Series Explosion Proof Panelboards, for up to forty-
two branch circuit breakers. It does not cover special modifications, additions
or deletions, other than those listed in the catalogue.
• More specific information, if required, can be obtained by contacting the EGS Sales
representative in your area.
2.0 INSTALLATION
2.1 Mounting
The ALPN/ALPF Series panelboard is intended to be mounted vertically. Provided for this
purpose are four mounting feet with keyhole slots, sized to accommodate 3/8” bolts. For
mounting centers, see Section 6.1.
2.2 Wiring
Wire after mounting.
Open cover by loosening all cover bolts; do not remove bolts as they are captive to the cover. Supply circuit is wired into the main
panel lugs or main circuit breaker. A main ground lug is provided for system ground. For panelboards that are prewired (ALPF or
APPF), supply circuit connections are made in the top/bottom box main terminals.
2.2.1 Standard Breaker
Load circuit line goes to breaker, load circuit neutral to panel neutral bar, load circuit ground to ground bar.
2.2.2 GFI Breaker
Load circuit line and neutral go to breaker, load circuit ground to ground bar, breaker neutral to panel neutral bar. (See figure 6.4)
2.2.3 GFI Breaker with Alarm Contact
Load circuit line and neutral go to breaker, load circuit ground to ground bar, breaker neutral to panel neutral bar, alarm contact
leads to external enunciator. (See figure 6.4)