GE Essential Nonincendive Wiring Requirements for the BC5002 Model

3

Nonincendive Field Wiring Control Drawing CD-E219479 for USB Port Connections

Hazardous (Classified) Location

Class I, Division 2 Groups A, B, C, and D

Front USB Port on Computer No._________________

Nonincendive Field Wiring Apparatus

Vmax

Imax

Ci

Li

Associated Nonincendive

Field Wiring Apparatus

(Computer)

Voc

Isc

Ca

La

Notes:

1. Nonincendive Circuit Parameters:

Voc = 4.969 VDC

Isc = 2.06 A

Ca = 75 µF

La = 40 µH

2. Selected Nonincendive Field Wiring Apparatus shall satisfy the following:

Voc	≤	Vmax
Isc	≤	Imax
Ca	≥	Ci + C cable
La	≥	Li + L cable

3.If the electrical parameters of the cable are unknown, the following values may be used:

Capacitance – 60 pF/ft Inductive – 0.20 µH/ft

4.Nonincendive Field Wiring must be installed in accordance with Article 501.4(B)(3) of the National Electrical Code ANSI/NFPA 70.

5.Selected Nonincendive Field Wiring Apparatus must not be connected to external power source.

GFK-2023C Chapter 3 Installation 3-7