Operating Guide

United States
Tel: [phone]
800.816.7809
Fax: [phone]
Technical Services
Tel: [phone]
www.tnb.com
www.tnb.com
United States
Tel: [phone]
800.816.7809
Fax: [phone]
Technical Services
Tel: [phone]
31
Connectors & Grounding — Blackburn
®
Grounding Systems
Ground Clamps
C
A
B
B
C
A
CAT. NO.*
CONDUCTOR RANGE (CU) NOMINAL ROD SIZE (IN) IPS PIPE SIZE DIMENSIONS (IN.)
MAX. MIN. MAX. MIN. MAX. MIN. A B C
GUV584 4 8
3
⁄4
5
⁄8
3
⁄8 — 2
13
⁄16 1
9
⁄16 2
1
⁄4
GUV5821 2/0 4
3
⁄4
5
⁄8
3
⁄8 — 2
13
⁄16 1
9
⁄16 2
1
⁄4
GUV5825 250 2/0
3
⁄4
5
⁄8
3
⁄8 — 2
13
⁄16 1
9
⁄16 2
1
⁄4
GUV784 4 8 1
7
⁄8
3
⁄4
1
⁄2 2
3
⁄4 1
9
⁄16 2
5
⁄8
GUV7821 2/0 4 1
7
⁄8
3
⁄4
1
⁄2 2
3
⁄4 1
9
⁄16 2
5
⁄8
GUV7825 250 2/0 1
7
⁄8
3
⁄4
1
⁄2 2
3
⁄4 1
9
⁄16 2
5
⁄8
GUV1184 4 8 1
1
⁄4 1
1
⁄8 1 — 3
5
⁄16 1
9
⁄16 2
3
⁄4
GUV11821 2/0 4 1
1
⁄4 1
1
⁄8 1 — 3
5
⁄16 1
9
⁄16 2
3
⁄4
GUV1384 4 8 1
1
⁄2 1
3
⁄8 1
1
⁄4 — 3
7
⁄16 1
9
⁄16 2
15
⁄16
GUV13821 2/0 4 1
1
⁄2 1
3
⁄8 1
1
⁄4 — 3
7
⁄16 1
9
⁄16 2
15
⁄16
GUV13825 250 2/0 1
1
⁄2 1
3
⁄8 1
1
⁄4 — 3
7
⁄16 1
9
⁄16 2
15
⁄16
GUV1584 4 8 1
7
⁄8 1
5
⁄8 1
1
⁄2 — 3
15
⁄16 1
9
⁄16 3
3
⁄16
GUV15821 2/0 4 1
7
⁄8 1
5
⁄8 1
1
⁄2 — 3
15
⁄16 1
9
⁄16 3
3
⁄16
GUV15825 250 2/0 1
7
⁄8 1
5
⁄8 1
1
⁄2 — 3
15
⁄16 1
9
⁄16 3
3
⁄16
GUV204 4 8 2
3
⁄8 2 2 — 4
7
⁄16 1
9
⁄16 3
11
⁄16
GUV2021 2/0 4 2
3
⁄8 2 2 — 4
7
⁄16 1
9
⁄16 3
11
⁄16
GUV2025 250 2/0 2
3
⁄8 2 2 — 4
7
⁄16 1
9
⁄16 3
11
⁄16
GUV21221 2/0 4 2
7
⁄8 2
1
⁄2 2
1
⁄2 — 4
15
⁄16 1
9
⁄16 4
3
⁄16
GUV21225 250 2/0 2
7
⁄8 2
1
⁄2 2
1
⁄2 — 4
15
⁄16 1
9
⁄16 4
3
⁄16
GUV3021 2/0 4 3
1
⁄2 3 3 — 5
9
⁄16 1
9
⁄16 4
13
⁄16
GUV3025 250 2/0 3
1
⁄2 3 3 — 5
9
⁄16 1
9
⁄16 4
13
⁄16
GUV31221 2/0 4 4 3
1
⁄2 3
1
⁄2 — 6
1
⁄16 1
9
⁄16 5
1
⁄2
GUV4021 2/0 4 4
1
⁄2 4 4 — 6
5
⁄16 1
9
⁄16 5
11
⁄16
GUV4025 250 2/0 4
1
⁄2 4 4 — 6
5
⁄16 1
9
⁄16 5
11
⁄16
* For tin plating, add suffix P to Cat. No. Contact factory for price and availability.
UL
®
does not list tin-plated bronze grounding devices.
DB
Excellent for connecting
multiple electrodes with
a single cable, such as
in substation grounding.
Type GUV — U-Bolt
Ground Clamps
• For connecting copper or copper-clad steel
grounding conductor to ground rod or pipe
• Specially designed spacer provides proper
alignment between cable and electrode
and affords more positive contact area
• All components cast or forged
from copper alloy
• UL
®
467 Listed for direct burial
1211_1836_TNB_TNB_Power Connection & Control Cat31_r7.indd 31 2/24/14 3:27 PM