Ground Wire Sizing - York YCWL0056SE Installation Operation & Maintenance

SECTION 5 – TECHNICAL DATA
GROUND LUG SIZING WITH OR WITHOUT OPTIONAL OVERLOADS
RATING
150A
150A
150A
225A
250A
400A
400A
600A
800A
800A
RATING
60A
70A
80A
90A
100A
125A
125A
150A
175A
200A
225A
250A
400A
400A
600A
RATING
130A
165A
240A
320A
480A
Instructions:
1) Start in correct power option table (switch, breaker, terminal block)
2) Match engineering guide value for amperage
3) Match engineering guide value for wire range
4) Note corresponding ground wire range
66

GROUND WIRE SIZING

NON FUSED DISCONNECT SWITCH OPTION
INCOMING WIRE
# 14 - 1/0 AWG
# 2 - 4/0 AWG
# 4 - 300 KCM
# 4 - 300 KCM
# 6 - 350 KCM
# 250 - 500 KCM
(2) # 3/0 - 250 KCM
(2) # 250 - 500 KCM
(2) # 250 - 500 KCM
(3) # 2/0 - 400 KCM
CIRCUIT BREAKER OPTION
INCOMING WIRE
# 14 - 1/0 AWG
# 14 - 1/0 AWG
# 14 - 1/0 AWG
# 14 - 1/0 AWG
# 14 - 1/0 AWG
# 14 - 1/0 AWG
# 2 - 4/0 AWG
# 2 - 4/0 AWG
# 4 - 300 KCM
# 4 - 300 KCM
# 4 - 300 KCM
# 6 - 350 KCM
# 250 - 500 KCM
(2) # 3/0 - 250 KCM
(2) # 250 - 500 KCM
TERMINAL BLOCK OPTION
INCOMING WIRE
# 12 - 1 AWG
# 10 - 3/0 AWG
# 10 - 300 KCM
# 4 - 500 KCM
(2) # 10 - 300 KCM
FORM 201.26-NM1
ISSUE DATE: 1/19/2018
GROUND WIRE
# 8 - 2 AWG
# 8 - 2 AWG
# 8 - 2 AWG
# 6 - 1/0 AWG
# 4 - 3/0 AWG
# 2 - 4/0 AWG
(2) # 6 - 1/0 AWG
(2) # 2 - 4/0 AWG
(2) # 2 - 4/0 AWG
(3) # 4 - 3/0 AWG
GROUND WIRE
# 14 - 6 AWG
# 14 - 6 AWG
# 14 - 6 AWG
# 14 - 6 AWG
# 8 - 2 AWG
# 8 - 2 AWG
# 8 - 2 AWG
# 8 - 2 AWG
# 6 - 1/0 AWG
# 6 - 1/0 AWG
# 6 - 1/0 AWG
# 4 - 3/0 AWG
# 2 - 4/0 AWG
(2) # 6 - 1/0 AWG
(2) # 2 - 4/0 AWG
GROUND WIRE
# 8 - 2 AWG
# 6 - 1/0 AWG
# 4 - 3/0 AWG
# 2 - 4/0 AWG
(2) # 4 - 3/0 AWG
JOHNSON CONTROLS