35 chapter 2: building lightning protection, Fig. 2-19 – ERICO Practical Guide to Electrical Grounding User Manual
Page 43
35
Chapter 2: Building Lightning Protection
Fig. 2-20
Protection must be provided to the conductor in
areas where physical damage or displacement
may occur. PVC conduit is the preferred protector.
Plastic Conduit
Protection
Fig. 2-21
Fasteners for either the conductor or the conduit
must not encircle the conduit or conductor if made
of a ferrous material. The fastener must be of a
material compatible with the item fastened.
Steel Fastener
Must Not Encircle Conduit,
OK For Non Ferrous
Fastener.
Fastener Material
Must Be Compatable
With Conduit Material.
Bond Roof Flashing
To Lightning Protection
System.
Horizontal Beam
Roof
Typical Installation
Jumper Bond Between
Horizontal Beam And Column.
Column
Exterior Wall
3'-0"
Grade
Typical Installation
Weld Bond At Column Base.
First Floor
2'-0"
Typical Down Conductor
Connection At Column Base
Bonding Jumper
24" Min.
Air Terminal
At Mechanical Equipment
Note:
Provide A Jumper At All
Bolted Horizontal Beam
At All Exterior Wall Columns.
Fig. 2-19
Grounding Book 4/14/99 10/5/99 6:01 PM Page 35 (Black plate)
- 6Z34VF14 Rod Hanging Basket Tray Clip (1 page)
- 766PM Far Side Box Support (1 page)
- 766PMD Far Side Box Support (1 page)
- CADDY MPVTI Low Voltage Mounting Clip (2 pages)
- H-Series CADDY PYRAMID Support System (3 pages)
- CADDY PYRAMID RL, PIPE RETAINERS (2 pages)
- CADDY PYRAMID Rooftop Equipment Support (4 pages)
- CADDY PYRAMID Single Post Support (1 page)
- CADDY PYRAMID TF Series, Fixed Height Tool-Free Supports (2 pages)
- CADDY ROD LOCK Anchor Screw (2 pages)
- CADDY ROD LOCK Beam Clamp (2 pages)
- CADDY ROD LOCK Channel Nut (2 pages)
- CADDY ROD LOCK L-Bracket (2 pages)
- CADDY ROD LOCK Strut (2 pages)
- CADDY SPEED LINK Riveted Accessories (4 pages)
- CADDY SPEED LINK SLK-Keyless Locking Device and Bulk Cable (2 pages)
- CADDY SPEED LINK SLK-Keyless Locking Devices (2 pages)
- CADDY SPEED LINK-Accessory Cables (1 page)
- CADDY SPEED LINK-SLK Cable End Accessories (4 pages)
- TSGB Series Screw Gun Bracket (2 pages)
- GLIDER Electrical Box Attachment (2 pages)
- H Series-Electrical Box Bracket (2 pages)
- ROD LOCK Plywood Pre-set Anchor (2 pages)
- ROD LOCK Strut End Bracket (2 pages)
- ROD LOCK Strut (2 pages)
- CADDY ROD LOCK Strut Nut (2 pages)
- CER4 Cable from Stud (2 pages)
- High Performance CADDY CAT HP J-Hook Assemblies (6 pages)
- KBT Wire Basket Tray Clip (1 page)
- MPCB1220 (2 pages)
- SBC Series, Beam Clamp, 3/8" and M10 (1 page)
- TSR200 Telescoping Strut Replacement Bracket (2 pages)
- TSRBS1625 Telescoping Box (3 pages)
- Universal Pedestal Clamp (2 pages)
- Branch Line Restraint Device (2 pages)
- Branch Line Restraint Strucural Attachment Fitting for Steel 12 gauge (2 pages)
- Branch Line Restraint, Structural Attachment Fitting for Concrete or Wood (2 pages)
- Branch Line Restraint, Structural Attachment Fitting with 3/8"-16 male thread" (2 pages)
- 510 CADDY EZ RISER (2 pages)
- 429 CADDY MACROFIX PLUS NI (1 page)
- Seismic Hanger Clamps (3 pages)
- CADDY PYRAMID Equipment Supports (3 pages)
- CADDY ROD LOCK Bottom-Mount Duct Bracket (2 pages)
- Bottom-Mount Duct Bracket, Narrow (2 pages)
- Top-Mount Duct Bracket (2 pages)